Hans Leidekker : dssenh: Implement CPImportKey and CPDestroyKey.
Module: wine Branch: master Commit: c1371f356c1019e8d47ab8be0bdeda1cbc804c9b URL: https://source.winehq.org/git/wine.git/?a=commit;h=c1371f356c1019e8d47ab8be0... Author: Hans Leidekker <hans(a)codeweavers.com> Date: Fri Oct 9 12:46:00 2020 +0200 dssenh: Implement CPImportKey and CPDestroyKey. Signed-off-by: Hans Leidekker <hans(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/dssenh/main.c | 144 ++++++++++++++++++++++++++++++++++++++++++++- dlls/dssenh/tests/dssenh.c | 10 ++-- 2 files changed, 147 insertions(+), 7 deletions(-) diff --git a/dlls/dssenh/main.c b/dlls/dssenh/main.c index a3a4e1b2c3..f02e04585a 100644 --- a/dlls/dssenh/main.c +++ b/dlls/dssenh/main.c @@ -317,13 +317,153 @@ BOOL WINAPI CPGenKey( HCRYPTPROV hprov, ALG_ID algid, DWORD flags, HCRYPTKEY *re BOOL WINAPI CPDestroyKey( HCRYPTPROV hprov, HCRYPTKEY hkey ) { - return FALSE; + struct key *key = (struct key *)hkey; + + TRACE( "%p, %p\n", (void *)hprov, (void *)hkey ); + + if (key->magic != MAGIC_KEY) + { + SetLastError( NTE_BAD_KEY ); + return FALSE; + } + + destroy_key( key ); + return TRUE; +} + +static BOOL store_key_pair( struct key *key, HKEY hkey, DWORD keyspec, DWORD flags ) +{ + const WCHAR *value; + DATA_BLOB blob_in, blob_out; + DWORD len; + BYTE *data; + BOOL ret = TRUE; + + if (!key) return TRUE; + if (!(value = map_keyspec_to_keypair_name( keyspec ))) return FALSE; + + if (BCryptExportKey( key->handle, NULL, LEGACY_DSA_V2_PRIVATE_BLOB, NULL, 0, &len, 0 )) return FALSE; + if (!(data = heap_alloc( len ))) return FALSE; + + if (!BCryptExportKey( key->handle, NULL, LEGACY_DSA_V2_PRIVATE_BLOB, data, len, &len, 0 )) + { + blob_in.pbData = data; + blob_in.cbData = len; + if ((ret = CryptProtectData( &blob_in, NULL, NULL, NULL, NULL, flags, &blob_out ))) + { + ret = !RegSetValueExW( hkey, value, 0, REG_BINARY, blob_out.pbData, blob_out.cbData ); + LocalFree( blob_out.pbData ); + } + } + + heap_free( data ); + return ret; +} + +static BOOL store_key_container_keys( struct container *container ) +{ + HKEY hkey; + DWORD flags; + BOOL ret; + + if (container->flags & CRYPT_MACHINE_KEYSET) + flags = CRYPTPROTECT_LOCAL_MACHINE; + else + flags = 0; + + if (!create_container_regkey( container, KEY_WRITE, &hkey )) return FALSE; + + ret = store_key_pair( container->exch_key, hkey, AT_KEYEXCHANGE, flags ); + if (ret) store_key_pair( container->sign_key, hkey, AT_SIGNATURE, flags ); + RegCloseKey( hkey ); + return ret; } +#define MAGIC_DSS1 ('D' | ('S' << 8) | ('S' << 16) | ('1' << 24)) +#define MAGIC_DSS2 ('D' | ('S' << 8) | ('S' << 16) | ('2' << 24)) + BOOL WINAPI CPImportKey( HCRYPTPROV hprov, const BYTE *data, DWORD len, HCRYPTKEY hpubkey, DWORD flags, HCRYPTKEY *ret_key ) { - return FALSE; + struct container *container = (struct container *)hprov; + struct key *key; + BLOBHEADER *hdr; + DSSPUBKEY *pubkey; + const WCHAR *type; + NTSTATUS status; + + TRACE( "%p, %p, %u, %p, %08x, %p\n", (void *)hprov, data, len, (void *)hpubkey, flags, ret_key ); + + if (container->magic != MAGIC_CONTAINER) return FALSE; + if (len < sizeof(*hdr)) return FALSE; + + hdr = (BLOBHEADER *)data; + if ((hdr->bType != PRIVATEKEYBLOB && hdr->bType != PUBLICKEYBLOB) || hdr->bVersion != 2 || + hdr->aiKeyAlg != CALG_DSS_SIGN) + { + FIXME( "bType %u\n", hdr->bType ); + FIXME( "bVersion %u\n", hdr->bVersion ); + FIXME( "reserved %u\n", hdr->reserved ); + FIXME( "aiKeyAlg %08x\n", hdr->aiKeyAlg ); + return FALSE; + } + + if (len < sizeof(*hdr) + sizeof(*pubkey)) return FALSE; + pubkey = (DSSPUBKEY *)(hdr + 1); + + switch (pubkey->magic) + { + case MAGIC_DSS1: + type = LEGACY_DSA_V2_PUBLIC_BLOB; + break; + + case MAGIC_DSS2: + type = LEGACY_DSA_V2_PRIVATE_BLOB; + break; + + default: + FIXME( "unsupported key magic %08x\n", pubkey->magic ); + return FALSE; + } + + if (!(key = create_key( hdr->aiKeyAlg, flags ))) return FALSE; + + if ((status = BCryptImportKeyPair( key->alg_handle, NULL, type, &key->handle, (UCHAR *)data, len, 0 ))) + { + TRACE( "failed to import key %08x\n", status ); + destroy_key( key ); + return FALSE; + } + + if (!wcscmp(type, LEGACY_DSA_V2_PRIVATE_BLOB)) + { + switch (hdr->aiKeyAlg) + { + case AT_KEYEXCHANGE: + case CALG_DH_SF: + container->exch_key = key; + break; + + case AT_SIGNATURE: + case CALG_DSS_SIGN: + container->sign_key = key; + break; + + default: + FIXME( "unhandled key algorithm %u\n", hdr->aiKeyAlg ); + destroy_key( key ); + return FALSE; + } + + if (!store_key_container_keys( container )) + { + destroy_key( key ); + return FALSE; + } + } + + *ret_key = (HCRYPTKEY)key; + return TRUE; } BOOL WINAPI CPExportKey( HCRYPTPROV hprov, HCRYPTKEY hkey, HCRYPTKEY hexpkey, DWORD blobtype, DWORD flags, diff --git a/dlls/dssenh/tests/dssenh.c b/dlls/dssenh/tests/dssenh.c index 3bd546524f..d4a231562e 100644 --- a/dlls/dssenh/tests/dssenh.c +++ b/dlls/dssenh/tests/dssenh.c @@ -853,11 +853,6 @@ static void test_signhash_array(HCRYPTPROV hProv, const struct signature_test *t /* Get a private key of array specified ALG_ID */ result = CryptImportKey(hProv, tests[i].privateKey, tests[i].keyLen, 0, 0, &privKey); - if (!result) - { - skip("skipping sign tests\n"); - return; - } ok(result, "Failed to imported key, got %x\n", GetLastError()); /* Create hash object and add data for signature 1 */ @@ -895,6 +890,11 @@ static void test_signhash_array(HCRYPTPROV hProv, const struct signature_test *t /* Sign hash 1 */ result = CryptSignHashA(hHash1, AT_SIGNATURE, NULL, 0, NULL, &signLen1); + if (!result) + { + skip("skipping sign tests\n"); + return; + } ok(result, "Failed to get signature length, got %x\n", GetLastError()); ok(signLen1 == 40, "Expected a 40-byte signature, got %d\n", signLen1);
participants (1)
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Alexandre Julliard