[PATCH 1/2] bcrypt: Move GnuTLS support to a new file.
Signed-off-by: Hans Leidekker <hans(a)codeweavers.com> --- dlls/bcrypt/Makefile.in | 1 + dlls/bcrypt/bcrypt_internal.h | 137 +++++ dlls/bcrypt/bcrypt_main.c | 1189 ++++++++--------------------------------- dlls/bcrypt/gnutls.c | 632 ++++++++++++++++++++++ 4 files changed, 1004 insertions(+), 955 deletions(-) create mode 100644 dlls/bcrypt/gnutls.c diff --git a/dlls/bcrypt/Makefile.in b/dlls/bcrypt/Makefile.in index 3d081c8ab5..63a731fa9d 100644 --- a/dlls/bcrypt/Makefile.in +++ b/dlls/bcrypt/Makefile.in @@ -5,6 +5,7 @@ EXTRAINCL = $(GNUTLS_CFLAGS) C_SRCS = \ bcrypt_main.c \ + gnutls.c \ md2.c \ sha256.c \ sha512.c diff --git a/dlls/bcrypt/bcrypt_internal.h b/dlls/bcrypt/bcrypt_internal.h index a75f92a90b..11c8b30416 100644 --- a/dlls/bcrypt/bcrypt_internal.h +++ b/dlls/bcrypt/bcrypt_internal.h @@ -21,9 +21,18 @@ #define __BCRYPT_INTERNAL_H #include <stdarg.h> +#ifdef HAVE_GNUTLS_CIPHER_INIT +#include <gnutls/gnutls.h> +#include <gnutls/crypto.h> +#include <gnutls/abstract.h> +#elif HAVE_COMMONCRYPTO_COMMONCRYPTOR_H +#include <AvailabilityMacros.h> +#include <CommonCrypto/CommonCryptor.h> +#endif #include "windef.h" #include "winbase.h" +#include "bcrypt.h" typedef struct { @@ -96,4 +105,132 @@ VOID WINAPI A_SHAInit(SHA_CTX *ctx); VOID WINAPI A_SHAUpdate(SHA_CTX *ctx, const UCHAR *buffer, UINT size); VOID WINAPI A_SHAFinal(SHA_CTX *ctx, PULONG result); +struct buffer +{ + BYTE *buffer; + DWORD length; + DWORD pos; + BOOL error; +}; + +void buffer_init( struct buffer * ) DECLSPEC_HIDDEN; +void buffer_free( struct buffer * ) DECLSPEC_HIDDEN; +void buffer_append_asn1_r_s( struct buffer *, BYTE *, DWORD, BYTE *, DWORD ) DECLSPEC_HIDDEN; + +#define MAGIC_ALG (('A' << 24) | ('L' << 16) | ('G' << 8) | '0') +#define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H') +#define MAGIC_KEY (('K' << 24) | ('E' << 16) | ('Y' << 8) | '0') +struct object +{ + ULONG magic; +}; + +enum alg_id +{ + ALG_ID_AES, + ALG_ID_MD2, + ALG_ID_MD4, + ALG_ID_MD5, + ALG_ID_RNG, + ALG_ID_RSA, + ALG_ID_SHA1, + ALG_ID_SHA256, + ALG_ID_SHA384, + ALG_ID_SHA512, + ALG_ID_ECDSA_P256, + ALG_ID_ECDSA_P384, +}; + +enum mode_id +{ + MODE_ID_ECB, + MODE_ID_CBC, + MODE_ID_GCM +}; + +struct algorithm +{ + struct object hdr; + enum alg_id id; + enum mode_id mode; + BOOL hmac; +}; + +#if defined(HAVE_GNUTLS_CIPHER_INIT) +struct key_symmetric +{ + enum mode_id mode; + ULONG block_size; + gnutls_cipher_hd_t handle; + UCHAR *secret; + ULONG secret_len; +}; + +struct key_asymmetric +{ + UCHAR *pubkey; + ULONG pubkey_len; +}; + +struct key +{ + struct object hdr; + enum alg_id alg_id; + union + { + struct key_symmetric s; + struct key_asymmetric a; + } u; +}; +#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 +struct key_symmetric +{ + enum mode_id mode; + ULONG block_size; + CCCryptorRef ref_encrypt; + CCCryptorRef ref_decrypt; + UCHAR *secret; + ULONG secret_len; +}; + +struct key_asymmetric +{ + UCHAR *pubkey; + ULONG pubkey_len; +}; + +struct key +{ + struct object hdr; + enum alg_id alg_id; + union + { + struct key_symmetric s; + struct key_asymmetric a; + } u; +}; +#else +struct key +{ + struct object hdr; +}; +#endif + +NTSTATUS get_alg_property( const struct algorithm *, const WCHAR *, UCHAR *, ULONG, ULONG * ) DECLSPEC_HIDDEN; + +NTSTATUS key_set_property( struct key *, const WCHAR *, UCHAR *, ULONG, ULONG ) DECLSPEC_HIDDEN; +NTSTATUS key_symmetric_init( struct key *, struct algorithm *, const UCHAR *, ULONG ) DECLSPEC_HIDDEN; +NTSTATUS key_symmetric_set_params( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN; +NTSTATUS key_symmetric_set_auth_data( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN; +NTSTATUS key_symmetric_encrypt( struct key *, const UCHAR *, ULONG, UCHAR *, ULONG ) DECLSPEC_HIDDEN; +NTSTATUS key_symmetric_decrypt( struct key *, const UCHAR *, ULONG, UCHAR *, ULONG ) DECLSPEC_HIDDEN; +NTSTATUS key_symmetric_get_tag( struct key *, UCHAR *, ULONG ) DECLSPEC_HIDDEN; +NTSTATUS key_asymmetric_init( struct key *, struct algorithm *, const UCHAR *, ULONG ) DECLSPEC_HIDDEN; +NTSTATUS key_asymmetric_verify( struct key *, void *, UCHAR *, ULONG, UCHAR *, ULONG, DWORD ) DECLSPEC_HIDDEN; +NTSTATUS key_destroy( struct key * ) DECLSPEC_HIDDEN; +BOOL key_is_symmetric( struct key * ) DECLSPEC_HIDDEN; + +BOOL gnutls_initialize(void) DECLSPEC_HIDDEN; +void gnutls_uninitialize(void) DECLSPEC_HIDDEN; + #endif /* __BCRYPT_INTERNAL_H */ diff --git a/dlls/bcrypt/bcrypt_main.c b/dlls/bcrypt/bcrypt_main.c index 29a0a785d9..e35f00aa2c 100644 --- a/dlls/bcrypt/bcrypt_main.c +++ b/dlls/bcrypt/bcrypt_main.c @@ -24,10 +24,6 @@ #ifdef HAVE_COMMONCRYPTO_COMMONCRYPTOR_H #include <AvailabilityMacros.h> #include <CommonCrypto/CommonCryptor.h> -#elif defined(HAVE_GNUTLS_CIPHER_INIT) -#include <gnutls/gnutls.h> -#include <gnutls/crypto.h> -#include <gnutls/abstract.h> #endif #include "ntstatus.h" @@ -48,179 +44,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(bcrypt); static HINSTANCE instance; -#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) -WINE_DECLARE_DEBUG_CHANNEL(winediag); - -#if GNUTLS_VERSION_MAJOR < 3 -#define GNUTLS_CIPHER_AES_192_CBC 92 -#define GNUTLS_CIPHER_AES_128_GCM 93 -#define GNUTLS_CIPHER_AES_256_GCM 94 -#define GNUTLS_PK_ECC 4 - -typedef enum -{ - GNUTLS_ECC_CURVE_INVALID, - GNUTLS_ECC_CURVE_SECP224R1, - GNUTLS_ECC_CURVE_SECP256R1, - GNUTLS_ECC_CURVE_SECP384R1, - GNUTLS_ECC_CURVE_SECP521R1, -} gnutls_ecc_curve_t; -#endif - -/* Not present in gnutls version < 3.0 */ -static int (*pgnutls_cipher_tag)(gnutls_cipher_hd_t, void *, size_t); -static int (*pgnutls_cipher_add_auth)(gnutls_cipher_hd_t, const void *, size_t); -static int (*pgnutls_pubkey_import_ecc_raw)(gnutls_pubkey_t, gnutls_ecc_curve_t, - const gnutls_datum_t *, const gnutls_datum_t *); -static gnutls_sign_algorithm_t (*pgnutls_pk_to_sign)(gnutls_pk_algorithm_t, gnutls_digest_algorithm_t); -static int (*pgnutls_pubkey_verify_hash2)(gnutls_pubkey_t, gnutls_sign_algorithm_t, unsigned int, - const gnutls_datum_t *, const gnutls_datum_t *); - -/* Not present in gnutls version < 2.11.0 */ -static int (*pgnutls_pubkey_import_rsa_raw)(gnutls_pubkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e); - -static void *libgnutls_handle; -#define MAKE_FUNCPTR(f) static typeof(f) * p##f -MAKE_FUNCPTR(gnutls_cipher_decrypt2); -MAKE_FUNCPTR(gnutls_cipher_deinit); -MAKE_FUNCPTR(gnutls_cipher_encrypt2); -MAKE_FUNCPTR(gnutls_cipher_init); -MAKE_FUNCPTR(gnutls_global_deinit); -MAKE_FUNCPTR(gnutls_global_init); -MAKE_FUNCPTR(gnutls_global_set_log_function); -MAKE_FUNCPTR(gnutls_global_set_log_level); -MAKE_FUNCPTR(gnutls_perror); -MAKE_FUNCPTR(gnutls_pubkey_init); -MAKE_FUNCPTR(gnutls_pubkey_deinit); -#undef MAKE_FUNCPTR - -static int compat_gnutls_cipher_tag(gnutls_cipher_hd_t handle, void *tag, size_t tag_size) -{ - return GNUTLS_E_UNKNOWN_CIPHER_TYPE; -} - -static int compat_gnutls_cipher_add_auth(gnutls_cipher_hd_t handle, const void *ptext, size_t ptext_size) -{ - return GNUTLS_E_UNKNOWN_CIPHER_TYPE; -} - -static int compat_gnutls_pubkey_import_ecc_raw(gnutls_pubkey_t key, gnutls_ecc_curve_t curve, - const gnutls_datum_t *x, const gnutls_datum_t *y) -{ - return GNUTLS_E_UNKNOWN_CIPHER_TYPE; -} - -static gnutls_sign_algorithm_t compat_gnutls_pk_to_sign(gnutls_pk_algorithm_t pk, gnutls_digest_algorithm_t hash) -{ - return GNUTLS_SIGN_UNKNOWN; -} - -static int compat_gnutls_pubkey_verify_hash2(gnutls_pubkey_t key, gnutls_sign_algorithm_t algo, - unsigned int flags, const gnutls_datum_t *hash, - const gnutls_datum_t *signature) -{ - return GNUTLS_E_UNKNOWN_CIPHER_TYPE; -} - -static int compat_gnutls_pubkey_import_rsa_raw(gnutls_pubkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e) -{ - return GNUTLS_E_UNKNOWN_CIPHER_TYPE; -} - -static void gnutls_log( int level, const char *msg ) -{ - TRACE( "<%d> %s", level, msg ); -} - -static BOOL gnutls_initialize(void) -{ - int ret; - - if (!(libgnutls_handle = wine_dlopen( SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0 ))) - { - ERR_(winediag)( "failed to load libgnutls, no support for encryption\n" ); - return FALSE; - } - -#define LOAD_FUNCPTR(f) \ - if (!(p##f = wine_dlsym( libgnutls_handle, #f, NULL, 0 ))) \ - { \ - ERR( "failed to load %s\n", #f ); \ - goto fail; \ - } - - LOAD_FUNCPTR(gnutls_cipher_decrypt2) - LOAD_FUNCPTR(gnutls_cipher_deinit) - LOAD_FUNCPTR(gnutls_cipher_encrypt2) - LOAD_FUNCPTR(gnutls_cipher_init) - LOAD_FUNCPTR(gnutls_global_deinit) - LOAD_FUNCPTR(gnutls_global_init) - LOAD_FUNCPTR(gnutls_global_set_log_function) - LOAD_FUNCPTR(gnutls_global_set_log_level) - LOAD_FUNCPTR(gnutls_perror) - LOAD_FUNCPTR(gnutls_pubkey_init); - LOAD_FUNCPTR(gnutls_pubkey_deinit); -#undef LOAD_FUNCPTR - - if (!(pgnutls_cipher_tag = wine_dlsym( libgnutls_handle, "gnutls_cipher_tag", NULL, 0 ))) - { - WARN("gnutls_cipher_tag not found\n"); - pgnutls_cipher_tag = compat_gnutls_cipher_tag; - } - if (!(pgnutls_cipher_add_auth = wine_dlsym( libgnutls_handle, "gnutls_cipher_add_auth", NULL, 0 ))) - { - WARN("gnutls_cipher_add_auth not found\n"); - pgnutls_cipher_add_auth = compat_gnutls_cipher_add_auth; - } - - if ((ret = pgnutls_global_init()) != GNUTLS_E_SUCCESS) - { - pgnutls_perror( ret ); - goto fail; - } - if (!(pgnutls_pubkey_import_ecc_raw = wine_dlsym( libgnutls_handle, "gnutls_pubkey_import_ecc_raw", NULL, 0 ))) - { - WARN("gnutls_pubkey_import_ecc_raw not found\n"); - pgnutls_pubkey_import_ecc_raw = compat_gnutls_pubkey_import_ecc_raw; - } - if (!(pgnutls_pk_to_sign = wine_dlsym( libgnutls_handle, "gnutls_pk_to_sign", NULL, 0 ))) - { - WARN("gnutls_pk_to_sign not found\n"); - pgnutls_pk_to_sign = compat_gnutls_pk_to_sign; - } - if (!(pgnutls_pubkey_verify_hash2 = wine_dlsym( libgnutls_handle, "gnutls_pubkey_verify_hash2", NULL, 0 ))) - { - WARN("gnutls_pubkey_verify_hash2 not found\n"); - pgnutls_pubkey_verify_hash2 = compat_gnutls_pubkey_verify_hash2; - } - if (!(pgnutls_pubkey_import_rsa_raw = wine_dlsym( libgnutls_handle, "gnutls_pubkey_import_rsa_raw", NULL, 0 ))) - { - WARN("gnutls_pubkey_import_rsa_raw not found\n"); - pgnutls_pubkey_import_rsa_raw = compat_gnutls_pubkey_import_rsa_raw; - } - - if (TRACE_ON( bcrypt )) - { - pgnutls_global_set_log_level( 4 ); - pgnutls_global_set_log_function( gnutls_log ); - } - - return TRUE; - -fail: - wine_dlclose( libgnutls_handle, NULL, 0 ); - libgnutls_handle = NULL; - return FALSE; -} - -static void gnutls_uninitialize(void) -{ - pgnutls_global_deinit(); - wine_dlclose( libgnutls_handle, NULL, 0 ); - libgnutls_handle = NULL; -} -#endif /* HAVE_GNUTLS_CIPHER_INIT && !HAVE_COMMONCRYPTO_COMMONCRYPTOR_H */ - NTSTATUS WINAPI BCryptAddContextFunction(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function, ULONG pos) { FIXME("%08x, %s, %08x, %s, %u: stub\n", table, debugstr_w(context), iface, debugstr_w(function), pos); @@ -268,37 +91,6 @@ NTSTATUS WINAPI BCryptEnumAlgorithms(ULONG dwAlgOperations, ULONG *pAlgCount, return STATUS_NOT_IMPLEMENTED; } -#define MAGIC_ALG (('A' << 24) | ('L' << 16) | ('G' << 8) | '0') -#define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H') -#define MAGIC_KEY (('K' << 24) | ('E' << 16) | ('Y' << 8) | '0') -struct object -{ - ULONG magic; -}; - -enum alg_id -{ - ALG_ID_AES, - ALG_ID_MD2, - ALG_ID_MD4, - ALG_ID_MD5, - ALG_ID_RNG, - ALG_ID_RSA, - ALG_ID_SHA1, - ALG_ID_SHA256, - ALG_ID_SHA384, - ALG_ID_SHA512, - ALG_ID_ECDSA_P256, - ALG_ID_ECDSA_P384, -}; - -enum mode_id -{ - MODE_ID_ECB, - MODE_ID_CBC, - MODE_ID_GCM -}; - #define MAX_HASH_OUTPUT_BYTES 64 #define MAX_HASH_BLOCK_BITS 1024 @@ -326,14 +118,6 @@ alg_props[] = /* ALG_ID_ECDSA_P384 */ { 0, 0, 0, BCRYPT_ECDSA_P384_ALGORITHM, FALSE }, }; -struct algorithm -{ - struct object hdr; - enum alg_id id; - enum mode_id mode; - BOOL hmac; -}; - NTSTATUS WINAPI BCryptGenRandom(BCRYPT_ALG_HANDLE handle, UCHAR *buffer, ULONG count, ULONG flags) { const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG; @@ -629,7 +413,7 @@ static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR * return STATUS_NOT_IMPLEMENTED; } -static NTSTATUS get_alg_property( const struct algorithm *alg, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size ) +NTSTATUS get_alg_property( const struct algorithm *alg, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size ) { NTSTATUS status; @@ -934,110 +718,105 @@ NTSTATUS WINAPI BCryptHash( BCRYPT_ALG_HANDLE algorithm, UCHAR *secret, ULONG se return BCryptDestroyHash( handle ); } -#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) -struct key_symmetric +#if defined(HAVE_GNUTLS_CIPHER_INIT) +void buffer_init( struct buffer *buffer ) { - enum mode_id mode; - ULONG block_size; - gnutls_cipher_hd_t handle; - UCHAR *secret; - ULONG secret_len; -}; + buffer->buffer = NULL; + buffer->length = 0; + buffer->pos = 0; + buffer->error = FALSE; +} -struct key_asymmetric +void buffer_free( struct buffer *buffer ) { - UCHAR *pubkey; - ULONG pubkey_len; -}; + heap_free( buffer->buffer ); +} -struct key +static void buffer_append( struct buffer *buffer, BYTE *data, DWORD len ) { - struct object hdr; - enum alg_id alg_id; - union + if (!len) return; + + if (buffer->pos + len > buffer->length) { - struct key_symmetric s; - struct key_asymmetric a; - } u; -}; + DWORD new_length = max( max( buffer->pos + len, buffer->length * 2 ), 64 ); + BYTE *new_buffer; -#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 -struct key_symmetric -{ - enum mode_id mode; - ULONG block_size; - CCCryptorRef ref_encrypt; - CCCryptorRef ref_decrypt; - UCHAR *secret; - ULONG secret_len; -}; + if (!(new_buffer = heap_realloc( buffer->buffer, new_length ))) + { + ERR( "out of memory\n" ); + buffer->error = TRUE; + return; + } -struct key_asymmetric -{ - UCHAR *pubkey; - ULONG pubkey_len; -}; + buffer->buffer = new_buffer; + buffer->length = new_length; + } -struct key -{ - struct object hdr; - enum alg_id alg_id; - union - { - struct key_symmetric s; - struct key_asymmetric a; - } u; -}; -#else -struct key -{ - struct object hdr; -}; -#endif + memcpy( &buffer->buffer[buffer->pos], data, len ); + buffer->pos += len; +} -#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) -static inline BOOL key_is_symmetric( struct key *key ) +static void buffer_append_byte( struct buffer *buffer, BYTE value ) { - return alg_props[key->alg_id].symmetric; + buffer_append( buffer, &value, sizeof(value) ); } -static ULONG get_block_size( struct algorithm *alg ) +static void buffer_append_asn1_length( struct buffer *buffer, DWORD length ) { - ULONG ret = 0, size = sizeof(ret); - get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size ); - return ret; + DWORD num_bytes; + + if (length < 128) + { + buffer_append_byte( buffer, length ); + return; + } + + if (length <= 0xff) num_bytes = 1; + else if (length <= 0xffff) num_bytes = 2; + else if (length <= 0xffffff) num_bytes = 3; + else num_bytes = 4; + + buffer_append_byte( buffer, 0x80 | num_bytes ); + while (num_bytes--) buffer_append_byte( buffer, length >> (num_bytes * 8) ); } -static NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len ) +static void buffer_append_asn1_integer( struct buffer *buffer, BYTE *data, DWORD len ) { - UCHAR *buffer; + DWORD leading_zero = (*data & 0x80) != 0; - if (!libgnutls_handle) return STATUS_INTERNAL_ERROR; + buffer_append_byte( buffer, 0x02 ); /* tag */ + buffer_append_asn1_length( buffer, len + leading_zero ); + if (leading_zero) buffer_append_byte( buffer, 0 ); + buffer_append( buffer, data, len ); +} - switch (alg->id) +static void buffer_append_asn1_sequence( struct buffer *buffer, struct buffer *content ) +{ + if (content->error) { - case ALG_ID_AES: - break; - - default: - FIXME( "algorithm %u not supported\n", alg->id ); - return STATUS_NOT_SUPPORTED; + buffer->error = TRUE; + return; } - if (!(key->u.s.block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER; - if (!(buffer = heap_alloc( secret_len ))) return STATUS_NO_MEMORY; - memcpy( buffer, secret, secret_len ); + buffer_append_byte( buffer, 0x30 ); /* tag */ + buffer_append_asn1_length( buffer, content->pos ); + buffer_append( buffer, content->buffer, content->pos ); +} - key->alg_id = alg->id; - key->u.s.mode = alg->mode; - key->u.s.handle = 0; /* initialized on first use */ - key->u.s.secret = buffer; - key->u.s.secret_len = secret_len; +void buffer_append_asn1_r_s( struct buffer *buffer, BYTE *r, DWORD r_len, BYTE *s, DWORD s_len ) +{ + struct buffer value; - return STATUS_SUCCESS; + buffer_init( &value ); + buffer_append_asn1_integer( &value, r, r_len ); + buffer_append_asn1_integer( &value, s, s_len ); + buffer_append_asn1_sequence( buffer, &value ); + buffer_free( &value ); } +#endif -static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags ) +#if defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 +NTSTATUS key_set_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags ) { if (!strcmpW( prop, BCRYPT_CHAINING_MODE )) { @@ -1051,11 +830,6 @@ static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *val key->u.s.mode = MODE_ID_CBC; return STATUS_SUCCESS; } - else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM, size )) - { - key->u.s.mode = MODE_ID_GCM; - return STATUS_SUCCESS; - } else { FIXME( "unsupported mode %s\n", debugstr_wn( (WCHAR *)value, size ) ); @@ -1067,646 +841,152 @@ static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *val return STATUS_NOT_IMPLEMENTED; } -static gnutls_cipher_algorithm_t get_gnutls_cipher( const struct key *key ) +static ULONG get_block_size( struct algorithm *alg ) +{ + ULONG ret = 0, size = sizeof(ret); + get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size ); + return ret; +} + +NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len ) { - switch (key->alg_id) + UCHAR *buffer; + + switch (alg->id) { case ALG_ID_AES: - WARN( "handle block size\n" ); - switch (key->u.s.mode) + switch (alg->mode) { - case MODE_ID_GCM: - if (key->u.s.secret_len == 16) return GNUTLS_CIPHER_AES_128_GCM; - if (key->u.s.secret_len == 32) return GNUTLS_CIPHER_AES_256_GCM; - break; - case MODE_ID_ECB: /* can be emulated with CBC + empty IV */ + case MODE_ID_ECB: case MODE_ID_CBC: - if (key->u.s.secret_len == 16) return GNUTLS_CIPHER_AES_128_CBC; - if (key->u.s.secret_len == 24) return GNUTLS_CIPHER_AES_192_CBC; - if (key->u.s.secret_len == 32) return GNUTLS_CIPHER_AES_256_CBC; break; default: - break; + FIXME( "mode %u not supported\n", alg->mode ); + return STATUS_NOT_SUPPORTED; } - FIXME( "AES mode %u with key length %u not supported\n", key->u.s.mode, key->u.s.secret_len ); - return GNUTLS_CIPHER_UNKNOWN; + break; default: - FIXME( "algorithm %u not supported\n", key->alg_id ); - return GNUTLS_CIPHER_UNKNOWN; + FIXME( "algorithm %u not supported\n", alg->id ); + return STATUS_NOT_SUPPORTED; } + + if (!(key->u.s.block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER; + if (!(buffer = heap_alloc( secret_len ))) return STATUS_NO_MEMORY; + memcpy( buffer, secret, secret_len ); + + key->alg_id = alg->id; + key->u.s.mode = alg->mode; + key->u.s.ref_encrypt = NULL; /* initialized on first use */ + key->u.s.ref_decrypt = NULL; + key->u.s.secret = buffer; + key->u.s.secret_len = secret_len; + + return STATUS_SUCCESS; } -static NTSTATUS key_symmetric_set_params( struct key *key, UCHAR *iv, ULONG iv_len ) +static CCMode get_cryptor_mode( struct key *key ) { - gnutls_cipher_algorithm_t cipher; - gnutls_datum_t secret, vector; - int ret; - - if (key->u.s.handle) + switch (key->u.s.mode) { - pgnutls_cipher_deinit( key->u.s.handle ); - key->u.s.handle = NULL; + case MODE_ID_ECB: return kCCModeECB; + case MODE_ID_CBC: return kCCModeCBC; + default: + FIXME( "unsupported mode %u\n", key->u.s.mode ); + return 0; } +} - if ((cipher = get_gnutls_cipher( key )) == GNUTLS_CIPHER_UNKNOWN) - return STATUS_NOT_SUPPORTED; +NTSTATUS key_symmetric_set_params( struct key *key, UCHAR *iv, ULONG iv_len ) +{ + CCCryptorStatus status; + CCMode mode; + + if (!(mode = get_cryptor_mode( key ))) return STATUS_NOT_SUPPORTED; - secret.data = key->u.s.secret; - secret.size = key->u.s.secret_len; - if (iv) + if (key->u.s.ref_encrypt) + { + CCCryptorRelease( key->u.s.ref_encrypt ); + key->u.s.ref_encrypt = NULL; + } + if (key->u.s.ref_decrypt) { - vector.data = iv; - vector.size = iv_len; + CCCryptorRelease( key->u.s.ref_decrypt ); + key->u.s.ref_decrypt = NULL; } - if ((ret = pgnutls_cipher_init( &key->u.s.handle, cipher, &secret, iv ? &vector : NULL ))) + if ((status = CCCryptorCreateWithMode( kCCEncrypt, mode, kCCAlgorithmAES128, ccNoPadding, iv, key->u.s.secret, + key->u.s.secret_len, NULL, 0, 0, 0, &key->u.s.ref_encrypt )) != kCCSuccess) + { + WARN( "CCCryptorCreateWithMode failed %d\n", status ); + return STATUS_INTERNAL_ERROR; + } + if ((status = CCCryptorCreateWithMode( kCCDecrypt, mode, kCCAlgorithmAES128, ccNoPadding, iv, key->u.s.secret, + key->u.s.secret_len, NULL, 0, 0, 0, &key->u.s.ref_decrypt )) != kCCSuccess) { - pgnutls_perror( ret ); + WARN( "CCCryptorCreateWithMode failed %d\n", status ); + CCCryptorRelease( key->u.s.ref_encrypt ); + key->u.s.ref_encrypt = NULL; return STATUS_INTERNAL_ERROR; } return STATUS_SUCCESS; } -static NTSTATUS key_symmetric_set_auth_data( struct key *key, UCHAR *auth_data, ULONG len ) +NTSTATUS key_symmetric_set_auth_data( struct key *key, UCHAR *auth_data, ULONG len ) { - int ret; + FIXME( "not implemented on Mac\n" ); + return STATUS_NOT_IMPLEMENTED; +} - if (!auth_data) return STATUS_SUCCESS; +NTSTATUS key_symmetric_encrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, + ULONG output_len ) +{ + CCCryptorStatus status; - if ((ret = pgnutls_cipher_add_auth( key->u.s.handle, auth_data, len ))) + if ((status = CCCryptorUpdate( key->u.s.ref_encrypt, input, input_len, output, output_len, NULL )) != kCCSuccess) { - pgnutls_perror( ret ); + WARN( "CCCryptorUpdate failed %d\n", status ); return STATUS_INTERNAL_ERROR; } return STATUS_SUCCESS; } -static NTSTATUS key_symmetric_encrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, - ULONG output_len ) +NTSTATUS key_symmetric_decrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, + ULONG output_len ) { - int ret; + CCCryptorStatus status; - if ((ret = pgnutls_cipher_encrypt2( key->u.s.handle, input, input_len, output, output_len ))) + if ((status = CCCryptorUpdate( key->u.s.ref_decrypt, input, input_len, output, output_len, NULL )) != kCCSuccess) { - pgnutls_perror( ret ); + WARN( "CCCryptorUpdate failed %d\n", status ); return STATUS_INTERNAL_ERROR; } return STATUS_SUCCESS; } -static NTSTATUS key_symmetric_decrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, - ULONG output_len ) -{ - int ret; - - if ((ret = pgnutls_cipher_decrypt2( key->u.s.handle, input, input_len, output, output_len ))) - { - pgnutls_perror( ret ); - return STATUS_INTERNAL_ERROR; - } - - return STATUS_SUCCESS; -} - -static NTSTATUS key_symmetric_get_tag( struct key *key, UCHAR *tag, ULONG len ) -{ - int ret; - - if ((ret = pgnutls_cipher_tag( key->u.s.handle, tag, len ))) - { - pgnutls_perror( ret ); - return STATUS_INTERNAL_ERROR; - } - - return STATUS_SUCCESS; -} - -static NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len ) -{ - UCHAR *buffer; - - if (!libgnutls_handle) return STATUS_INTERNAL_ERROR; - - switch (alg->id) - { - case ALG_ID_ECDSA_P256: - case ALG_ID_ECDSA_P384: - case ALG_ID_RSA: - break; - - default: - FIXME( "algorithm %u not supported\n", alg->id ); - return STATUS_NOT_SUPPORTED; - } - - if (!(buffer = heap_alloc( pubkey_len ))) return STATUS_NO_MEMORY; - memcpy( buffer, pubkey, pubkey_len ); - - key->alg_id = alg->id; - key->u.a.pubkey = buffer; - key->u.a.pubkey_len = pubkey_len; - - return STATUS_SUCCESS; -} - -struct buffer -{ - BYTE *buffer; - DWORD length; - DWORD pos; - BOOL error; -}; - -static void buffer_init( struct buffer *buffer ) -{ - buffer->buffer = NULL; - buffer->length = 0; - buffer->pos = 0; - buffer->error = FALSE; -} - -static void buffer_free( struct buffer *buffer ) -{ - heap_free( buffer->buffer ); -} - -static void buffer_append( struct buffer *buffer, BYTE *data, DWORD len ) -{ - if (!len) return; - - if (buffer->pos + len > buffer->length) - { - DWORD new_length = max( max( buffer->pos + len, buffer->length * 2 ), 64 ); - BYTE *new_buffer; - - if (!(new_buffer = heap_realloc( buffer->buffer, new_length ))) - { - ERR( "out of memory\n" ); - buffer->error = TRUE; - return; - } - - buffer->buffer = new_buffer; - buffer->length = new_length; - } - - memcpy( &buffer->buffer[buffer->pos], data, len ); - buffer->pos += len; -} - -static void buffer_append_byte( struct buffer *buffer, BYTE value ) -{ - buffer_append( buffer, &value, sizeof(value) ); -} - -static void buffer_append_asn1_length( struct buffer *buffer, DWORD length ) -{ - DWORD num_bytes; - - if (length < 128) - { - buffer_append_byte( buffer, length ); - return; - } - - if (length <= 0xff) num_bytes = 1; - else if (length <= 0xffff) num_bytes = 2; - else if (length <= 0xffffff) num_bytes = 3; - else num_bytes = 4; - - buffer_append_byte( buffer, 0x80 | num_bytes ); - while (num_bytes--) buffer_append_byte( buffer, length >> (num_bytes * 8) ); -} - -static void buffer_append_asn1_integer( struct buffer *buffer, BYTE *data, DWORD len ) -{ - DWORD leading_zero = (*data & 0x80) != 0; - - buffer_append_byte( buffer, 0x02 ); /* tag */ - buffer_append_asn1_length( buffer, len + leading_zero ); - if (leading_zero) buffer_append_byte( buffer, 0 ); - buffer_append( buffer, data, len ); -} - -static void buffer_append_asn1_sequence( struct buffer *buffer, struct buffer *content ) -{ - if (content->error) - { - buffer->error = TRUE; - return; - } - - buffer_append_byte( buffer, 0x30 ); /* tag */ - buffer_append_asn1_length( buffer, content->pos ); - buffer_append( buffer, content->buffer, content->pos ); -} - -static void buffer_append_asn1_r_s( struct buffer *buffer, BYTE *r, DWORD r_len, BYTE *s, DWORD s_len ) -{ - struct buffer value; - - buffer_init( &value ); - buffer_append_asn1_integer( &value, r, r_len ); - buffer_append_asn1_integer( &value, s, s_len ); - buffer_append_asn1_sequence( buffer, &value ); - buffer_free( &value ); -} - -static NTSTATUS import_gnutls_pubkey_ecc( struct key *key, gnutls_pubkey_t *gnutls_key ) -{ - BCRYPT_ECCKEY_BLOB *ecc_blob; - gnutls_ecc_curve_t curve; - gnutls_datum_t x, y; - int ret; - - switch (key->alg_id) - { - case ALG_ID_ECDSA_P256: curve = GNUTLS_ECC_CURVE_SECP256R1; break; - case ALG_ID_ECDSA_P384: curve = GNUTLS_ECC_CURVE_SECP384R1; break; - - default: - FIXME( "algorithm %u not yet supported\n", key->alg_id ); - return STATUS_NOT_IMPLEMENTED; - } - - if ((ret = pgnutls_pubkey_init( gnutls_key ))) - { - pgnutls_perror( ret ); - return STATUS_INTERNAL_ERROR; - } - - ecc_blob = (BCRYPT_ECCKEY_BLOB *)key->u.a.pubkey; - x.data = key->u.a.pubkey + sizeof(*ecc_blob); - x.size = ecc_blob->cbKey; - y.data = key->u.a.pubkey + sizeof(*ecc_blob) + ecc_blob->cbKey; - y.size = ecc_blob->cbKey; - - if ((ret = pgnutls_pubkey_import_ecc_raw( *gnutls_key, curve, &x, &y ))) - { - pgnutls_perror( ret ); - pgnutls_pubkey_deinit( *gnutls_key ); - return STATUS_INTERNAL_ERROR; - } - - return STATUS_SUCCESS; -} - -static NTSTATUS import_gnutls_pubkey_rsa( struct key *key, gnutls_pubkey_t *gnutls_key ) -{ - BCRYPT_RSAKEY_BLOB *rsa_blob; - gnutls_datum_t m, e; - int ret; - - if ((ret = pgnutls_pubkey_init( gnutls_key ))) - { - pgnutls_perror( ret ); - return STATUS_INTERNAL_ERROR; - } - - rsa_blob = (BCRYPT_RSAKEY_BLOB *)key->u.a.pubkey; - e.data = key->u.a.pubkey + sizeof(*rsa_blob); - e.size = rsa_blob->cbPublicExp; - m.data = key->u.a.pubkey + sizeof(*rsa_blob) + rsa_blob->cbPublicExp; - m.size = rsa_blob->cbModulus; - - if ((ret = pgnutls_pubkey_import_rsa_raw( *gnutls_key, &m, &e ))) - { - pgnutls_perror( ret ); - pgnutls_pubkey_deinit( *gnutls_key ); - return STATUS_INTERNAL_ERROR; - } - - return STATUS_SUCCESS; -} - -static NTSTATUS import_gnutls_pubkey( struct key *key, gnutls_pubkey_t *gnutls_key ) -{ - switch (key->alg_id) - { - case ALG_ID_ECDSA_P256: - case ALG_ID_ECDSA_P384: - return import_gnutls_pubkey_ecc( key, gnutls_key ); - - case ALG_ID_RSA: - return import_gnutls_pubkey_rsa( key, gnutls_key ); - - default: - FIXME("algorithm %u not yet supported\n", key->alg_id ); - return STATUS_NOT_IMPLEMENTED; - } -} - -static NTSTATUS prepare_gnutls_signature_ecc( struct key *key, UCHAR *signature, ULONG signature_len, - gnutls_datum_t *gnutls_signature ) -{ - struct buffer buffer; - DWORD r_len = signature_len / 2; - DWORD s_len = r_len; - BYTE *r = signature; - BYTE *s = signature + r_len; - - buffer_init( &buffer ); - buffer_append_asn1_r_s( &buffer, r, r_len, s, s_len ); - if (buffer.error) - { - buffer_free( &buffer ); - return STATUS_NO_MEMORY; - } - - gnutls_signature->data = buffer.buffer; - gnutls_signature->size = buffer.pos; - return STATUS_SUCCESS; -} - -static NTSTATUS prepare_gnutls_signature_rsa( struct key *key, UCHAR *signature, ULONG signature_len, - gnutls_datum_t *gnutls_signature ) -{ - gnutls_signature->data = signature; - gnutls_signature->size = signature_len; - return STATUS_SUCCESS; -} - -static NTSTATUS prepare_gnutls_signature( struct key *key, UCHAR *signature, ULONG signature_len, - gnutls_datum_t *gnutls_signature ) -{ - switch (key->alg_id) - { - case ALG_ID_ECDSA_P256: - case ALG_ID_ECDSA_P384: - return prepare_gnutls_signature_ecc( key, signature, signature_len, gnutls_signature ); - - case ALG_ID_RSA: - return prepare_gnutls_signature_rsa( key, signature, signature_len, gnutls_signature ); - - default: - FIXME( "algorithm %u not yet supported\n", key->alg_id ); - return STATUS_NOT_IMPLEMENTED; - } -} - -static NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len, - UCHAR *signature, ULONG signature_len, DWORD flags ) -{ - gnutls_digest_algorithm_t hash_alg; - gnutls_sign_algorithm_t sign_alg; - gnutls_datum_t gnutls_hash, gnutls_signature; - gnutls_pk_algorithm_t pk_alg; - gnutls_pubkey_t gnutls_key; - NTSTATUS status; - int ret; - - switch (key->alg_id) - { - case ALG_ID_ECDSA_P256: - case ALG_ID_ECDSA_P384: - { - if (flags) FIXME( "flags %08x not supported\n", flags ); - - /* only the hash size must match, not the actual hash function */ - switch (hash_len) - { - case 32: hash_alg = GNUTLS_DIG_SHA256; break; - case 48: hash_alg = GNUTLS_DIG_SHA384; break; - - default: - FIXME( "hash size %u not yet supported\n", hash_len ); - return STATUS_INVALID_SIGNATURE; - } - pk_alg = GNUTLS_PK_ECC; - break; - } - case ALG_ID_RSA: - { - BCRYPT_PKCS1_PADDING_INFO *info = (BCRYPT_PKCS1_PADDING_INFO *)padding; - - if (!(flags & BCRYPT_PAD_PKCS1) || !info) return STATUS_INVALID_PARAMETER; - if (!info->pszAlgId) return STATUS_INVALID_SIGNATURE; - - if (!strcmpW( info->pszAlgId, BCRYPT_SHA1_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA1; - else if (!strcmpW( info->pszAlgId, BCRYPT_SHA256_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA256; - else if (!strcmpW( info->pszAlgId, BCRYPT_SHA384_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA384; - else if (!strcmpW( info->pszAlgId, BCRYPT_SHA512_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA512; - else - { - FIXME( "hash algorithm %s not supported\n", debugstr_w(info->pszAlgId) ); - return STATUS_NOT_SUPPORTED; - } - pk_alg = GNUTLS_PK_RSA; - break; - } - default: - FIXME( "algorithm %u not yet supported\n", key->alg_id ); - return STATUS_NOT_IMPLEMENTED; - } - - if ((sign_alg = pgnutls_pk_to_sign( pk_alg, hash_alg )) == GNUTLS_SIGN_UNKNOWN) - { - FIXME("GnuTLS does not support algorithm %u with hash len %u\n", key->alg_id, hash_len ); - return STATUS_NOT_IMPLEMENTED; - } - - if ((status = import_gnutls_pubkey( key, &gnutls_key ))) return status; - if ((status = prepare_gnutls_signature( key, signature, signature_len, &gnutls_signature ))) - { - pgnutls_pubkey_deinit( gnutls_key ); - return status; - } - - gnutls_hash.data = hash; - gnutls_hash.size = hash_len; - ret = pgnutls_pubkey_verify_hash2( gnutls_key, sign_alg, 0, &gnutls_hash, &gnutls_signature ); - - if (gnutls_signature.data != signature) heap_free( gnutls_signature.data ); - pgnutls_pubkey_deinit( gnutls_key ); - return (ret < 0) ? STATUS_INVALID_SIGNATURE : STATUS_SUCCESS; -} - -static NTSTATUS key_destroy( struct key *key ) -{ - if (key_is_symmetric( key )) - { - if (key->u.s.handle) pgnutls_cipher_deinit( key->u.s.handle ); - heap_free( key->u.s.secret ); - } - else heap_free( key->u.a.pubkey ); - heap_free( key ); - return STATUS_SUCCESS; -} -#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 -static inline BOOL key_is_symmetric( struct key *key ) -{ - return alg_props[key->alg_id].symmetric; -} - -static ULONG get_block_size( struct algorithm *alg ) -{ - ULONG ret = 0, size = sizeof(ret); - get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size ); - return ret; -} - -static NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len ) -{ - UCHAR *buffer; - - switch (alg->id) - { - case ALG_ID_AES: - switch (alg->mode) - { - case MODE_ID_ECB: - case MODE_ID_CBC: - break; - default: - FIXME( "mode %u not supported\n", alg->mode ); - return STATUS_NOT_SUPPORTED; - } - break; - - default: - FIXME( "algorithm %u not supported\n", alg->id ); - return STATUS_NOT_SUPPORTED; - } - - if (!(key->u.s.block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER; - if (!(buffer = heap_alloc( secret_len ))) return STATUS_NO_MEMORY; - memcpy( buffer, secret, secret_len ); - - key->alg_id = alg->id; - key->u.s.mode = alg->mode; - key->u.s.ref_encrypt = NULL; /* initialized on first use */ - key->u.s.ref_decrypt = NULL; - key->u.s.secret = buffer; - key->u.s.secret_len = secret_len; - - return STATUS_SUCCESS; -} - -static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags ) -{ - if (!strcmpW( prop, BCRYPT_CHAINING_MODE )) - { - if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB, size )) - { - key->u.s.mode = MODE_ID_ECB; - return STATUS_SUCCESS; - } - else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC, size )) - { - key->u.s.mode = MODE_ID_CBC; - return STATUS_SUCCESS; - } - else - { - FIXME( "unsupported mode %s\n", debugstr_wn( (WCHAR *)value, size ) ); - return STATUS_NOT_IMPLEMENTED; - } - } - - FIXME( "unsupported key property %s\n", debugstr_w(prop) ); - return STATUS_NOT_IMPLEMENTED; -} - -static CCMode get_cryptor_mode( struct key *key ) -{ - switch (key->u.s.mode) - { - case MODE_ID_ECB: return kCCModeECB; - case MODE_ID_CBC: return kCCModeCBC; - default: - FIXME( "unsupported mode %u\n", key->u.s.mode ); - return 0; - } -} - -static NTSTATUS key_symmetric_set_params( struct key *key, UCHAR *iv, ULONG iv_len ) -{ - CCCryptorStatus status; - CCMode mode; - - if (!(mode = get_cryptor_mode( key ))) return STATUS_NOT_SUPPORTED; - - if (key->u.s.ref_encrypt) - { - CCCryptorRelease( key->u.s.ref_encrypt ); - key->u.s.ref_encrypt = NULL; - } - if (key->u.s.ref_decrypt) - { - CCCryptorRelease( key->u.s.ref_decrypt ); - key->u.s.ref_decrypt = NULL; - } - - if ((status = CCCryptorCreateWithMode( kCCEncrypt, mode, kCCAlgorithmAES128, ccNoPadding, iv, key->u.s.secret, - key->u.s.secret_len, NULL, 0, 0, 0, &key->u.s.ref_encrypt )) != kCCSuccess) - { - WARN( "CCCryptorCreateWithMode failed %d\n", status ); - return STATUS_INTERNAL_ERROR; - } - if ((status = CCCryptorCreateWithMode( kCCDecrypt, mode, kCCAlgorithmAES128, ccNoPadding, iv, key->u.s.secret, - key->u.s.secret_len, NULL, 0, 0, 0, &key->u.s.ref_decrypt )) != kCCSuccess) - { - WARN( "CCCryptorCreateWithMode failed %d\n", status ); - CCCryptorRelease( key->u.s.ref_encrypt ); - key->u.s.ref_encrypt = NULL; - return STATUS_INTERNAL_ERROR; - } - - return STATUS_SUCCESS; -} - -static NTSTATUS key_symmetric_set_auth_data( struct key *key, UCHAR *auth_data, ULONG len ) +NTSTATUS key_symmetric_get_tag( struct key *key, UCHAR *tag, ULONG len ) { FIXME( "not implemented on Mac\n" ); return STATUS_NOT_IMPLEMENTED; } -static NTSTATUS key_symmetric_encrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, - ULONG output_len ) -{ - CCCryptorStatus status; - - if ((status = CCCryptorUpdate( key->u.s.ref_encrypt, input, input_len, output, output_len, NULL )) != kCCSuccess) - { - WARN( "CCCryptorUpdate failed %d\n", status ); - return STATUS_INTERNAL_ERROR; - } - - return STATUS_SUCCESS; -} - -static NTSTATUS key_symmetric_decrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, - ULONG output_len ) -{ - CCCryptorStatus status; - - if ((status = CCCryptorUpdate( key->u.s.ref_decrypt, input, input_len, output, output_len, NULL )) != kCCSuccess) - { - WARN( "CCCryptorUpdate failed %d\n", status ); - return STATUS_INTERNAL_ERROR; - } - - return STATUS_SUCCESS; -} - -static NTSTATUS key_symmetric_get_tag( struct key *key, UCHAR *tag, ULONG len ) +NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len ) { FIXME( "not implemented on Mac\n" ); return STATUS_NOT_IMPLEMENTED; } -static NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len, - UCHAR *signature, ULONG signature_len, DWORD flags ) +NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len, UCHAR *signature, + ULONG signature_len, DWORD flags ) { FIXME( "not implemented on Mac\n" ); return STATUS_NOT_IMPLEMENTED; } -static NTSTATUS key_destroy( struct key *key ) +NTSTATUS key_destroy( struct key *key ) { if (key->u.s.ref_encrypt) CCCryptorRelease( key->u.s.ref_encrypt ); if (key->u.s.ref_decrypt) CCCryptorRelease( key->u.s.ref_decrypt ); @@ -1714,86 +994,14 @@ static NTSTATUS key_destroy( struct key *key ) heap_free( key ); return STATUS_SUCCESS; } +#endif -static NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len ) -{ - FIXME( "not implemented on Mac\n" ); - return STATUS_NOT_IMPLEMENTED; -} -#else -static NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static NTSTATUS set_key_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len, - UCHAR *signature, ULONG signature_len, DWORD flags ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object, - ULONG object_len, UCHAR *input, ULONG input_len ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static NTSTATUS key_destroy( struct key *key ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static inline BOOL key_is_symmetric( struct key *key ) -{ - ERR( "support for keys not available at build time\n" ); - return FALSE; -} - -static NTSTATUS key_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv, - ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static NTSTATUS key_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv, - ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags ) -{ - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; -} - -static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input, - ULONG input_len ) +#if defined(HAVE_GNUTLS_CIPHER_INIT) || defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 +BOOL key_is_symmetric( struct key *key ) { - ERR( "support for keys not available at build time\n" ); - return STATUS_NOT_IMPLEMENTED; + return alg_props[key->alg_id].symmetric; } -#endif -#if defined(HAVE_GNUTLS_CIPHER_INIT) || defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080 static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object, ULONG object_len, UCHAR *input, ULONG input_len ) { @@ -2108,6 +1316,77 @@ static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYP FIXME( "unsupported key type %s\n", debugstr_w(type) ); return STATUS_NOT_SUPPORTED; } +#else +NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +BOOL key_is_symmetric( struct key *key ) +{ + ERR( "support for keys not available at build time\n" ); + return FALSE; +} + +NTSTATUS key_set_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len, UCHAR *signature, + ULONG signature_len, DWORD flags ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object, + ULONG object_len, UCHAR *input, ULONG input_len ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +NTSTATUS key_destroy( struct key *key ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS key_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv, + ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS key_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv, + ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input, + ULONG input_len ) +{ + ERR( "support for keys not available at build time\n" ); + return STATUS_NOT_IMPLEMENTED; +} #endif NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE *handle, @@ -2307,7 +1586,7 @@ NTSTATUS WINAPI BCryptSetProperty( BCRYPT_HANDLE handle, const WCHAR *prop, UCHA case MAGIC_KEY: { struct key *key = (struct key *)object; - return set_key_property( key, prop, value, size, flags ); + return key_set_property( key, prop, value, size, flags ); } default: WARN( "unknown magic %08x\n", object->magic ); diff --git a/dlls/bcrypt/gnutls.c b/dlls/bcrypt/gnutls.c new file mode 100644 index 0000000000..f191d2c8dd --- /dev/null +++ b/dlls/bcrypt/gnutls.c @@ -0,0 +1,632 @@ +/* + * Copyright 2009 Henri Verbeet for CodeWeavers + * Copyright 2018 Hans Leidekker for CodeWeavers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + * + */ + +#include "config.h" +#include "wine/port.h" + +#include <stdarg.h> +#ifdef HAVE_GNUTLS_CIPHER_INIT +#include <gnutls/gnutls.h> +#include <gnutls/crypto.h> +#include <gnutls/abstract.h> +#endif + +#include "ntstatus.h" +#define WIN32_NO_STATUS +#include "windef.h" +#include "winbase.h" +#include "ntsecapi.h" +#include "bcrypt.h" + +#include "bcrypt_internal.h" + +#include "wine/debug.h" +#include "wine/heap.h" +#include "wine/library.h" +#include "wine/unicode.h" + +#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) +WINE_DEFAULT_DEBUG_CHANNEL(bcrypt); +WINE_DECLARE_DEBUG_CHANNEL(winediag); + +#if GNUTLS_VERSION_MAJOR < 3 +#define GNUTLS_CIPHER_AES_192_CBC 92 +#define GNUTLS_CIPHER_AES_128_GCM 93 +#define GNUTLS_CIPHER_AES_256_GCM 94 +#define GNUTLS_PK_ECC 4 + +typedef enum +{ + GNUTLS_ECC_CURVE_INVALID, + GNUTLS_ECC_CURVE_SECP224R1, + GNUTLS_ECC_CURVE_SECP256R1, + GNUTLS_ECC_CURVE_SECP384R1, + GNUTLS_ECC_CURVE_SECP521R1, +} gnutls_ecc_curve_t; +#endif + +/* Not present in gnutls version < 3.0 */ +static int (*pgnutls_cipher_tag)(gnutls_cipher_hd_t, void *, size_t); +static int (*pgnutls_cipher_add_auth)(gnutls_cipher_hd_t, const void *, size_t); +static int (*pgnutls_pubkey_import_ecc_raw)(gnutls_pubkey_t, gnutls_ecc_curve_t, + const gnutls_datum_t *, const gnutls_datum_t *); +static gnutls_sign_algorithm_t (*pgnutls_pk_to_sign)(gnutls_pk_algorithm_t, gnutls_digest_algorithm_t); +static int (*pgnutls_pubkey_verify_hash2)(gnutls_pubkey_t, gnutls_sign_algorithm_t, unsigned int, + const gnutls_datum_t *, const gnutls_datum_t *); + +/* Not present in gnutls version < 2.11.0 */ +static int (*pgnutls_pubkey_import_rsa_raw)(gnutls_pubkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e); + +static void *libgnutls_handle; +#define MAKE_FUNCPTR(f) static typeof(f) * p##f +MAKE_FUNCPTR(gnutls_cipher_decrypt2); +MAKE_FUNCPTR(gnutls_cipher_deinit); +MAKE_FUNCPTR(gnutls_cipher_encrypt2); +MAKE_FUNCPTR(gnutls_cipher_init); +MAKE_FUNCPTR(gnutls_global_deinit); +MAKE_FUNCPTR(gnutls_global_init); +MAKE_FUNCPTR(gnutls_global_set_log_function); +MAKE_FUNCPTR(gnutls_global_set_log_level); +MAKE_FUNCPTR(gnutls_perror); +MAKE_FUNCPTR(gnutls_pubkey_init); +MAKE_FUNCPTR(gnutls_pubkey_deinit); +#undef MAKE_FUNCPTR + +static int compat_gnutls_cipher_tag(gnutls_cipher_hd_t handle, void *tag, size_t tag_size) +{ + return GNUTLS_E_UNKNOWN_CIPHER_TYPE; +} + +static int compat_gnutls_cipher_add_auth(gnutls_cipher_hd_t handle, const void *ptext, size_t ptext_size) +{ + return GNUTLS_E_UNKNOWN_CIPHER_TYPE; +} + +static int compat_gnutls_pubkey_import_ecc_raw(gnutls_pubkey_t key, gnutls_ecc_curve_t curve, + const gnutls_datum_t *x, const gnutls_datum_t *y) +{ + return GNUTLS_E_UNKNOWN_CIPHER_TYPE; +} + +static gnutls_sign_algorithm_t compat_gnutls_pk_to_sign(gnutls_pk_algorithm_t pk, gnutls_digest_algorithm_t hash) +{ + return GNUTLS_SIGN_UNKNOWN; +} + +static int compat_gnutls_pubkey_verify_hash2(gnutls_pubkey_t key, gnutls_sign_algorithm_t algo, + unsigned int flags, const gnutls_datum_t *hash, + const gnutls_datum_t *signature) +{ + return GNUTLS_E_UNKNOWN_CIPHER_TYPE; +} + +static int compat_gnutls_pubkey_import_rsa_raw(gnutls_pubkey_t key, const gnutls_datum_t *m, const gnutls_datum_t *e) +{ + return GNUTLS_E_UNKNOWN_CIPHER_TYPE; +} + +static void gnutls_log( int level, const char *msg ) +{ + TRACE( "<%d> %s", level, msg ); +} + +BOOL gnutls_initialize(void) +{ + int ret; + + if (!(libgnutls_handle = wine_dlopen( SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0 ))) + { + ERR_(winediag)( "failed to load libgnutls, no support for encryption\n" ); + return FALSE; + } + +#define LOAD_FUNCPTR(f) \ + if (!(p##f = wine_dlsym( libgnutls_handle, #f, NULL, 0 ))) \ + { \ + ERR( "failed to load %s\n", #f ); \ + goto fail; \ + } + + LOAD_FUNCPTR(gnutls_cipher_decrypt2) + LOAD_FUNCPTR(gnutls_cipher_deinit) + LOAD_FUNCPTR(gnutls_cipher_encrypt2) + LOAD_FUNCPTR(gnutls_cipher_init) + LOAD_FUNCPTR(gnutls_global_deinit) + LOAD_FUNCPTR(gnutls_global_init) + LOAD_FUNCPTR(gnutls_global_set_log_function) + LOAD_FUNCPTR(gnutls_global_set_log_level) + LOAD_FUNCPTR(gnutls_perror) + LOAD_FUNCPTR(gnutls_pubkey_init); + LOAD_FUNCPTR(gnutls_pubkey_deinit); +#undef LOAD_FUNCPTR + + if (!(pgnutls_cipher_tag = wine_dlsym( libgnutls_handle, "gnutls_cipher_tag", NULL, 0 ))) + { + WARN("gnutls_cipher_tag not found\n"); + pgnutls_cipher_tag = compat_gnutls_cipher_tag; + } + if (!(pgnutls_cipher_add_auth = wine_dlsym( libgnutls_handle, "gnutls_cipher_add_auth", NULL, 0 ))) + { + WARN("gnutls_cipher_add_auth not found\n"); + pgnutls_cipher_add_auth = compat_gnutls_cipher_add_auth; + } + + if ((ret = pgnutls_global_init()) != GNUTLS_E_SUCCESS) + { + pgnutls_perror( ret ); + goto fail; + } + if (!(pgnutls_pubkey_import_ecc_raw = wine_dlsym( libgnutls_handle, "gnutls_pubkey_import_ecc_raw", NULL, 0 ))) + { + WARN("gnutls_pubkey_import_ecc_raw not found\n"); + pgnutls_pubkey_import_ecc_raw = compat_gnutls_pubkey_import_ecc_raw; + } + if (!(pgnutls_pk_to_sign = wine_dlsym( libgnutls_handle, "gnutls_pk_to_sign", NULL, 0 ))) + { + WARN("gnutls_pk_to_sign not found\n"); + pgnutls_pk_to_sign = compat_gnutls_pk_to_sign; + } + if (!(pgnutls_pubkey_verify_hash2 = wine_dlsym( libgnutls_handle, "gnutls_pubkey_verify_hash2", NULL, 0 ))) + { + WARN("gnutls_pubkey_verify_hash2 not found\n"); + pgnutls_pubkey_verify_hash2 = compat_gnutls_pubkey_verify_hash2; + } + if (!(pgnutls_pubkey_import_rsa_raw = wine_dlsym( libgnutls_handle, "gnutls_pubkey_import_rsa_raw", NULL, 0 ))) + { + WARN("gnutls_pubkey_import_rsa_raw not found\n"); + pgnutls_pubkey_import_rsa_raw = compat_gnutls_pubkey_import_rsa_raw; + } + + if (TRACE_ON( bcrypt )) + { + pgnutls_global_set_log_level( 4 ); + pgnutls_global_set_log_function( gnutls_log ); + } + + return TRUE; + +fail: + wine_dlclose( libgnutls_handle, NULL, 0 ); + libgnutls_handle = NULL; + return FALSE; +} + +void gnutls_uninitialize(void) +{ + pgnutls_global_deinit(); + wine_dlclose( libgnutls_handle, NULL, 0 ); + libgnutls_handle = NULL; +} + +NTSTATUS key_set_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags ) +{ + if (!strcmpW( prop, BCRYPT_CHAINING_MODE )) + { + if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB, size )) + { + key->u.s.mode = MODE_ID_ECB; + return STATUS_SUCCESS; + } + else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC, size )) + { + key->u.s.mode = MODE_ID_CBC; + return STATUS_SUCCESS; + } + else if (!strncmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM, size )) + { + key->u.s.mode = MODE_ID_GCM; + return STATUS_SUCCESS; + } + else + { + FIXME( "unsupported mode %s\n", debugstr_wn( (WCHAR *)value, size ) ); + return STATUS_NOT_IMPLEMENTED; + } + } + + FIXME( "unsupported key property %s\n", debugstr_w(prop) ); + return STATUS_NOT_IMPLEMENTED; +} + +static ULONG get_block_size( struct algorithm *alg ) +{ + ULONG ret = 0, size = sizeof(ret); + get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size ); + return ret; +} + +NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len ) +{ + if (!libgnutls_handle) return STATUS_INTERNAL_ERROR; + + switch (alg->id) + { + case ALG_ID_AES: + break; + + default: + FIXME( "algorithm %u not supported\n", alg->id ); + return STATUS_NOT_SUPPORTED; + } + + if (!(key->u.s.block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER; + if (!(key->u.s.secret = heap_alloc( secret_len ))) return STATUS_NO_MEMORY; + memcpy( key->u.s.secret, secret, secret_len ); + key->u.s.secret_len = secret_len; + + key->alg_id = alg->id; + key->u.s.mode = alg->mode; + key->u.s.handle = 0; /* initialized on first use */ + + return STATUS_SUCCESS; +} + +static gnutls_cipher_algorithm_t get_gnutls_cipher( const struct key *key ) +{ + switch (key->alg_id) + { + case ALG_ID_AES: + WARN( "handle block size\n" ); + switch (key->u.s.mode) + { + case MODE_ID_GCM: + if (key->u.s.secret_len == 16) return GNUTLS_CIPHER_AES_128_GCM; + if (key->u.s.secret_len == 32) return GNUTLS_CIPHER_AES_256_GCM; + break; + case MODE_ID_ECB: /* can be emulated with CBC + empty IV */ + case MODE_ID_CBC: + if (key->u.s.secret_len == 16) return GNUTLS_CIPHER_AES_128_CBC; + if (key->u.s.secret_len == 24) return GNUTLS_CIPHER_AES_192_CBC; + if (key->u.s.secret_len == 32) return GNUTLS_CIPHER_AES_256_CBC; + break; + default: + break; + } + FIXME( "AES mode %u with key length %u not supported\n", key->u.s.mode, key->u.s.secret_len ); + return GNUTLS_CIPHER_UNKNOWN; + + default: + FIXME( "algorithm %u not supported\n", key->alg_id ); + return GNUTLS_CIPHER_UNKNOWN; + } +} + +NTSTATUS key_symmetric_set_params( struct key *key, UCHAR *iv, ULONG iv_len ) +{ + gnutls_cipher_algorithm_t cipher; + gnutls_datum_t secret, vector; + int ret; + + if (key->u.s.handle) + { + pgnutls_cipher_deinit( key->u.s.handle ); + key->u.s.handle = NULL; + } + + if ((cipher = get_gnutls_cipher( key )) == GNUTLS_CIPHER_UNKNOWN) + return STATUS_NOT_SUPPORTED; + + secret.data = key->u.s.secret; + secret.size = key->u.s.secret_len; + if (iv) + { + vector.data = iv; + vector.size = iv_len; + } + + if ((ret = pgnutls_cipher_init( &key->u.s.handle, cipher, &secret, iv ? &vector : NULL ))) + { + pgnutls_perror( ret ); + return STATUS_INTERNAL_ERROR; + } + + return STATUS_SUCCESS; +} + +NTSTATUS key_symmetric_set_auth_data( struct key *key, UCHAR *auth_data, ULONG len ) +{ + int ret; + if (!auth_data) return STATUS_SUCCESS; + if ((ret = pgnutls_cipher_add_auth( key->u.s.handle, auth_data, len ))) + { + pgnutls_perror( ret ); + return STATUS_INTERNAL_ERROR; + } + return STATUS_SUCCESS; +} + +NTSTATUS key_symmetric_encrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len ) +{ + int ret; + if ((ret = pgnutls_cipher_encrypt2( key->u.s.handle, input, input_len, output, output_len ))) + { + pgnutls_perror( ret ); + return STATUS_INTERNAL_ERROR; + } + return STATUS_SUCCESS; +} + +NTSTATUS key_symmetric_decrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len ) +{ + int ret; + if ((ret = pgnutls_cipher_decrypt2( key->u.s.handle, input, input_len, output, output_len ))) + { + pgnutls_perror( ret ); + return STATUS_INTERNAL_ERROR; + } + return STATUS_SUCCESS; +} + +NTSTATUS key_symmetric_get_tag( struct key *key, UCHAR *tag, ULONG len ) +{ + int ret; + if ((ret = pgnutls_cipher_tag( key->u.s.handle, tag, len ))) + { + pgnutls_perror( ret ); + return STATUS_INTERNAL_ERROR; + } + return STATUS_SUCCESS; +} + +NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len ) +{ + if (!libgnutls_handle) return STATUS_INTERNAL_ERROR; + + switch (alg->id) + { + case ALG_ID_ECDSA_P256: + case ALG_ID_ECDSA_P384: + case ALG_ID_RSA: + break; + + default: + FIXME( "algorithm %u not supported\n", alg->id ); + return STATUS_NOT_SUPPORTED; + } + + if (!(key->u.a.pubkey = heap_alloc( pubkey_len ))) return STATUS_NO_MEMORY; + memcpy( key->u.a.pubkey, pubkey, pubkey_len ); + key->u.a.pubkey_len = pubkey_len; + key->alg_id = alg->id; + + return STATUS_SUCCESS; +} + +static NTSTATUS import_gnutls_pubkey_ecc( struct key *key, gnutls_pubkey_t *gnutls_key ) +{ + BCRYPT_ECCKEY_BLOB *ecc_blob; + gnutls_ecc_curve_t curve; + gnutls_datum_t x, y; + int ret; + + switch (key->alg_id) + { + case ALG_ID_ECDSA_P256: curve = GNUTLS_ECC_CURVE_SECP256R1; break; + case ALG_ID_ECDSA_P384: curve = GNUTLS_ECC_CURVE_SECP384R1; break; + + default: + FIXME( "algorithm %u not yet supported\n", key->alg_id ); + return STATUS_NOT_IMPLEMENTED; + } + + if ((ret = pgnutls_pubkey_init( gnutls_key ))) + { + pgnutls_perror( ret ); + return STATUS_INTERNAL_ERROR; + } + + ecc_blob = (BCRYPT_ECCKEY_BLOB *)key->u.a.pubkey; + x.data = key->u.a.pubkey + sizeof(*ecc_blob); + x.size = ecc_blob->cbKey; + y.data = key->u.a.pubkey + sizeof(*ecc_blob) + ecc_blob->cbKey; + y.size = ecc_blob->cbKey; + + if ((ret = pgnutls_pubkey_import_ecc_raw( *gnutls_key, curve, &x, &y ))) + { + pgnutls_perror( ret ); + pgnutls_pubkey_deinit( *gnutls_key ); + return STATUS_INTERNAL_ERROR; + } + + return STATUS_SUCCESS; +} + +static NTSTATUS import_gnutls_pubkey_rsa( struct key *key, gnutls_pubkey_t *gnutls_key ) +{ + BCRYPT_RSAKEY_BLOB *rsa_blob; + gnutls_datum_t m, e; + int ret; + + if ((ret = pgnutls_pubkey_init( gnutls_key ))) + { + pgnutls_perror( ret ); + return STATUS_INTERNAL_ERROR; + } + + rsa_blob = (BCRYPT_RSAKEY_BLOB *)key->u.a.pubkey; + e.data = key->u.a.pubkey + sizeof(*rsa_blob); + e.size = rsa_blob->cbPublicExp; + m.data = key->u.a.pubkey + sizeof(*rsa_blob) + rsa_blob->cbPublicExp; + m.size = rsa_blob->cbModulus; + + if ((ret = pgnutls_pubkey_import_rsa_raw( *gnutls_key, &m, &e ))) + { + pgnutls_perror( ret ); + pgnutls_pubkey_deinit( *gnutls_key ); + return STATUS_INTERNAL_ERROR; + } + + return STATUS_SUCCESS; +} + +static NTSTATUS import_gnutls_pubkey( struct key *key, gnutls_pubkey_t *gnutls_key ) +{ + switch (key->alg_id) + { + case ALG_ID_ECDSA_P256: + case ALG_ID_ECDSA_P384: + return import_gnutls_pubkey_ecc( key, gnutls_key ); + + case ALG_ID_RSA: + return import_gnutls_pubkey_rsa( key, gnutls_key ); + + default: + FIXME("algorithm %u not yet supported\n", key->alg_id ); + return STATUS_NOT_IMPLEMENTED; + } +} + +static NTSTATUS prepare_gnutls_signature_ecc( struct key *key, UCHAR *signature, ULONG signature_len, + gnutls_datum_t *gnutls_signature ) +{ + struct buffer buffer; + DWORD r_len = signature_len / 2; + DWORD s_len = r_len; + BYTE *r = signature; + BYTE *s = signature + r_len; + + buffer_init( &buffer ); + buffer_append_asn1_r_s( &buffer, r, r_len, s, s_len ); + if (buffer.error) + { + buffer_free( &buffer ); + return STATUS_NO_MEMORY; + } + + gnutls_signature->data = buffer.buffer; + gnutls_signature->size = buffer.pos; + return STATUS_SUCCESS; +} + +static NTSTATUS prepare_gnutls_signature_rsa( struct key *key, UCHAR *signature, ULONG signature_len, + gnutls_datum_t *gnutls_signature ) +{ + gnutls_signature->data = signature; + gnutls_signature->size = signature_len; + return STATUS_SUCCESS; +} + +static NTSTATUS prepare_gnutls_signature( struct key *key, UCHAR *signature, ULONG signature_len, + gnutls_datum_t *gnutls_signature ) +{ + switch (key->alg_id) + { + case ALG_ID_ECDSA_P256: + case ALG_ID_ECDSA_P384: + return prepare_gnutls_signature_ecc( key, signature, signature_len, gnutls_signature ); + + case ALG_ID_RSA: + return prepare_gnutls_signature_rsa( key, signature, signature_len, gnutls_signature ); + + default: + FIXME( "algorithm %u not yet supported\n", key->alg_id ); + return STATUS_NOT_IMPLEMENTED; + } +} + +NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len, UCHAR *signature, + ULONG signature_len, DWORD flags ) +{ + gnutls_digest_algorithm_t hash_alg; + gnutls_sign_algorithm_t sign_alg; + gnutls_datum_t gnutls_hash, gnutls_signature; + gnutls_pk_algorithm_t pk_alg; + gnutls_pubkey_t gnutls_key; + NTSTATUS status; + int ret; + + switch (key->alg_id) + { + case ALG_ID_ECDSA_P256: + case ALG_ID_ECDSA_P384: + { + if (flags) FIXME( "flags %08x not supported\n", flags ); + + /* only the hash size must match, not the actual hash function */ + switch (hash_len) + { + case 32: hash_alg = GNUTLS_DIG_SHA256; break; + case 48: hash_alg = GNUTLS_DIG_SHA384; break; + + default: + FIXME( "hash size %u not yet supported\n", hash_len ); + return STATUS_INVALID_SIGNATURE; + } + pk_alg = GNUTLS_PK_ECC; + break; + } + case ALG_ID_RSA: + { + BCRYPT_PKCS1_PADDING_INFO *info = (BCRYPT_PKCS1_PADDING_INFO *)padding; + + if (!(flags & BCRYPT_PAD_PKCS1) || !info) return STATUS_INVALID_PARAMETER; + if (!info->pszAlgId) return STATUS_INVALID_SIGNATURE; + + if (!strcmpW( info->pszAlgId, BCRYPT_SHA1_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA1; + else if (!strcmpW( info->pszAlgId, BCRYPT_SHA256_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA256; + else if (!strcmpW( info->pszAlgId, BCRYPT_SHA384_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA384; + else if (!strcmpW( info->pszAlgId, BCRYPT_SHA512_ALGORITHM )) hash_alg = GNUTLS_DIG_SHA512; + else + { + FIXME( "hash algorithm %s not supported\n", debugstr_w(info->pszAlgId) ); + return STATUS_NOT_SUPPORTED; + } + pk_alg = GNUTLS_PK_RSA; + break; + } + default: + FIXME( "algorithm %u not yet supported\n", key->alg_id ); + return STATUS_NOT_IMPLEMENTED; + } + + if ((sign_alg = pgnutls_pk_to_sign( pk_alg, hash_alg )) == GNUTLS_SIGN_UNKNOWN) + { + FIXME("GnuTLS does not support algorithm %u with hash len %u\n", key->alg_id, hash_len ); + return STATUS_NOT_IMPLEMENTED; + } + + if ((status = import_gnutls_pubkey( key, &gnutls_key ))) return status; + if ((status = prepare_gnutls_signature( key, signature, signature_len, &gnutls_signature ))) + { + pgnutls_pubkey_deinit( gnutls_key ); + return status; + } + + gnutls_hash.data = hash; + gnutls_hash.size = hash_len; + ret = pgnutls_pubkey_verify_hash2( gnutls_key, sign_alg, 0, &gnutls_hash, &gnutls_signature ); + + if (gnutls_signature.data != signature) heap_free( gnutls_signature.data ); + pgnutls_pubkey_deinit( gnutls_key ); + return (ret < 0) ? STATUS_INVALID_SIGNATURE : STATUS_SUCCESS; +} + +NTSTATUS key_destroy( struct key *key ) +{ + if (key_is_symmetric( key )) + { + if (key->u.s.handle) pgnutls_cipher_deinit( key->u.s.handle ); + heap_free( key->u.s.secret ); + } + else heap_free( key->u.a.pubkey ); + heap_free( key ); + return STATUS_SUCCESS; +} +#endif -- 2.11.0
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Hans Leidekker