Module: wine Branch: master Commit: 5c2ac77ab77772e7d588ccef920a6fe91772d8b1 URL: https://source.winehq.org/git/wine.git/?a=commit;h=5c2ac77ab77772e7d588ccef9...
Author: Hans Leidekker hans@codeweavers.com Date: Wed Feb 13 10:21:16 2019 +0100
bcrypt: Add support for importing and exporting ECC public keys.
Signed-off-by: Hans Leidekker hans@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/bcrypt/bcrypt_main.c | 16 +++++++++++++++- dlls/bcrypt/tests/bcrypt.c | 22 ++++++++++++++++++++++ 2 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/dlls/bcrypt/bcrypt_main.c b/dlls/bcrypt/bcrypt_main.c index c41c409..0d504b8 100644 --- a/dlls/bcrypt/bcrypt_main.c +++ b/dlls/bcrypt/bcrypt_main.c @@ -813,6 +813,14 @@ static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, U memcpy( output + sizeof(len), key->u.s.secret, key->u.s.secret_len ); return STATUS_SUCCESS; } + else if (!strcmpW( type, BCRYPT_ECCPUBLIC_BLOB )) + { + *size = key->u.a.pubkey_len; + if (output_len < key->u.a.pubkey_len) return STATUS_SUCCESS; + + memcpy( output, key->u.a.pubkey, key->u.a.pubkey_len ); + return STATUS_SUCCESS; + }
FIXME( "unsupported key type %s\n", debugstr_w(type) ); return STATUS_NOT_IMPLEMENTED; @@ -1012,6 +1020,11 @@ static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYP
switch (alg->id) { + case ALG_ID_ECDH_P256: + key_size = 32; + magic = BCRYPT_ECDH_PUBLIC_P256_MAGIC; + break; + case ALG_ID_ECDSA_P256: key_size = 32; magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC; @@ -1028,7 +1041,8 @@ static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYP }
if (ecc_blob->dwMagic != magic) return STATUS_NOT_SUPPORTED; - if (ecc_blob->cbKey != key_size) return STATUS_INVALID_PARAMETER; + if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 2) + return STATUS_INVALID_PARAMETER;
if (!(key = heap_alloc_zero( sizeof(*key) ))) return STATUS_NO_MEMORY; key->hdr.magic = MAGIC_KEY; diff --git a/dlls/bcrypt/tests/bcrypt.c b/dlls/bcrypt/tests/bcrypt.c index 7274516..819c1dc 100644 --- a/dlls/bcrypt/tests/bcrypt.c +++ b/dlls/bcrypt/tests/bcrypt.c @@ -1659,9 +1659,12 @@ static void test_RSA(void)
static void test_ECDH(void) { + BYTE *buf; + BCRYPT_ECCKEY_BLOB *ecckey; BCRYPT_ALG_HANDLE alg; BCRYPT_KEY_HANDLE key; NTSTATUS status; + ULONG size;
status = pBCryptOpenAlgorithmProvider(&alg, BCRYPT_ECDH_P256_ALGORITHM, NULL, 0); if (status) @@ -1678,6 +1681,25 @@ static void test_ECDH(void) status = pBCryptFinalizeKeyPair(key, 0); ok(status == STATUS_SUCCESS, "got %08x\n", status);
+ size = 0; + SetLastError(0xdeadbeef); + status = pBCryptExportKey(key, NULL, BCRYPT_ECCPUBLIC_BLOB, NULL, 0, &size, 0); + ok(status == STATUS_SUCCESS, "got %08x\n", status); + ok(size, "size not set\n"); + + buf = HeapAlloc(GetProcessHeap(), 0, size); + status = pBCryptExportKey(key, NULL, BCRYPT_ECCPUBLIC_BLOB, buf, size, &size, 0); + ok(status == STATUS_SUCCESS, "got %08x\n", status); + ecckey = (BCRYPT_ECCKEY_BLOB *)buf; + ok(ecckey->dwMagic == BCRYPT_ECDH_PUBLIC_P256_MAGIC, "got %08x\n", ecckey->dwMagic); + ok(ecckey->cbKey == 32, "got %u\n", ecckey->cbKey); + ok(size == sizeof(*ecckey) + ecckey->cbKey * 2, "got %u\n", size); + pBCryptDestroyKey(key); + + status = pBCryptImportKeyPair(alg, NULL, BCRYPT_ECCPUBLIC_BLOB, &key, buf, size, 0); + ok(status == STATUS_SUCCESS, "got %08x\n", status); + HeapFree(GetProcessHeap(), 0, buf); + pBCryptDestroyKey(key); pBCryptCloseAlgorithmProvider(alg, 0); }