Module: wine Branch: master Commit: d7aae7d728a03780c3a741e3d0c5bbc82b390e15 URL: http://source.winehq.org/git/wine.git/?a=commit;h=d7aae7d728a03780c3a741e3d0...
Author: Bruno Jesus 00cpxxx@gmail.com Date: Tue Aug 5 00:15:47 2014 -0300
rsaenh: Use the remaining hash data as salt if requested.
---
dlls/rsaenh/rsaenh.c | 17 ++++-- dlls/rsaenh/tests/rsaenh.c | 132 ++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 145 insertions(+), 4 deletions(-)
diff --git a/dlls/rsaenh/rsaenh.c b/dlls/rsaenh/rsaenh.c index 32646eb..aa415e7 100644 --- a/dlls/rsaenh/rsaenh.c +++ b/dlls/rsaenh/rsaenh.c @@ -3947,7 +3947,7 @@ BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseD { case ALG_CLASS_DATA_ENCRYPT: { - int need_padding; + int need_padding, copy_len; *phKey = new_key(hProv, Algid, dwFlags, &pCryptKey); if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
@@ -3977,7 +3977,9 @@ BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseD need_padding = dwLen < pCryptKey->dwKeyLen; }
- if (need_padding) { + copy_len = pCryptKey->dwKeyLen; + if (need_padding) + { BYTE pad1[RSAENH_HMAC_DEF_PAD_LEN], pad2[RSAENH_HMAC_DEF_PAD_LEN]; BYTE old_hashval[RSAENH_MAX_HASH_SIZE]; DWORD i; @@ -4002,9 +4004,18 @@ BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseD
memcpy(pCryptHash->abHashValue, old_hashval, RSAENH_MAX_HASH_SIZE); } + /* + * Padding was not required, we have more hash than needed. + * Do we need to use the remaining hash as salt? + */ + else if((dwFlags & CRYPT_CREATE_SALT) && + (Algid == CALG_RC2 || Algid == CALG_RC4)) + { + copy_len += pCryptKey->dwSaltLen; + }
memcpy(pCryptKey->abKeyValue, abHashValue, - RSAENH_MIN(pCryptKey->dwKeyLen, sizeof(pCryptKey->abKeyValue))); + RSAENH_MIN(copy_len, sizeof(pCryptKey->abKeyValue))); break; } case ALG_CLASS_MSG_ENCRYPT: diff --git a/dlls/rsaenh/tests/rsaenh.c b/dlls/rsaenh/tests/rsaenh.c index fe1e293..bf105de 100644 --- a/dlls/rsaenh/tests/rsaenh.c +++ b/dlls/rsaenh/tests/rsaenh.c @@ -1355,10 +1355,22 @@ static void test_rc2(void) static const BYTE rc2_40def_encrypted[] = { 0x23,0xc8,0x70,0x13,0x42,0x2e,0xa8,0x98, 0x5c,0xdf,0x7a,0x9b,0xea,0xdb,0x96,0x1b }; + static const BYTE rc2_40_salt_enh[24] = { + 0xA3, 0xD7, 0x41, 0x87, 0x7A, 0xD0, 0x18, 0xDB, + 0xD4, 0x6A, 0x4F, 0xEE, 0xF3, 0xCA, 0xCD, 0x34, + 0xB3, 0x15, 0x9A, 0x2A, 0x88, 0x5F, 0x43, 0xA5 }; + static const BYTE rc2_40_salt_base[24] = { + 0x8C, 0x4E, 0xA6, 0x00, 0x9B, 0x15, 0xEF, 0x9E, + 0x88, 0x81, 0xD0, 0x65, 0xD6, 0x53, 0x57, 0x08, + 0x0A, 0x77, 0x80, 0xFA, 0x7E, 0x89, 0x14, 0x55 }; + static const BYTE rc2_40_salt_strong[24] = { + 0xB9, 0x33, 0xB6, 0x7A, 0x35, 0xC3, 0x06, 0x88, + 0xBF, 0xD5, 0xCC, 0xAF, 0x14, 0xAE, 0xE2, 0x31, + 0xC6, 0x9A, 0xAA, 0x3F, 0x05, 0x2F, 0x22, 0xDA }; HCRYPTHASH hHash; HCRYPTKEY hKey; BOOL result; - DWORD dwLen, dwKeyLen, dwDataLen, dwMode, dwModeBits; + DWORD dwLen, dwKeyLen, dwDataLen, dwMode, dwModeBits, error; unsigned char pbData[2000], pbHashValue[16], pszBuffer[256]; int i;
@@ -1575,6 +1587,67 @@ static void test_rc2(void)
result = CryptDestroyKey(hKey); ok(result, "%08x\n", GetLastError()); + + /* Test a 40 bit key with salt */ + result = CryptCreateHash(hProv, CALG_MD5, 0, 0, &hHash); + ok(result, "%08x\n", GetLastError()); + + result = CryptHashData(hHash, pbData, sizeof(pbData), 0); + ok(result, "%08x\n", GetLastError()); + + result = CryptDeriveKey(hProv, CALG_RC2, hHash, (40<<16)|CRYPT_CREATE_SALT, &hKey); + ok(result, "%08x\n", GetLastError()); + + dwDataLen = 16; + memset(pbData, 0xAF, dwDataLen); + SetLastError(0xdeadbeef); + result = CryptEncrypt(hKey, 0, TRUE, 0, pbData, &dwDataLen, 24); + if(result) + { + /* Remove IF when fixed */ + if(ENHANCED_PROV) + { + todo_wine + ok((ENHANCED_PROV && !memcmp(pbData, rc2_40_salt_enh, dwDataLen)) || + (STRONG_PROV && !memcmp(pbData, rc2_40_salt_strong, dwDataLen)) || + (BASE_PROV && !memcmp(pbData, rc2_40_salt_base, dwDataLen)), + "RC2 encryption failed!\n"); + } + else + { + ok((ENHANCED_PROV && !memcmp(pbData, rc2_40_salt_enh, dwDataLen)) || + (STRONG_PROV && !memcmp(pbData, rc2_40_salt_strong, dwDataLen)) || + (BASE_PROV && !memcmp(pbData, rc2_40_salt_base, dwDataLen)), + "RC2 encryption failed!\n"); + } + } + else /* <= XP */ + { + error = GetLastError(); + ok(error == NTE_BAD_DATA || broken(error == NTE_DOUBLE_ENCRYPT), + "Expected 0x80009005, got 0x%08X\n", error); + } + dwLen = sizeof(DWORD); + dwKeyLen = 12345; + result = CryptGetKeyParam(hKey, KP_KEYLEN, (BYTE*)&dwKeyLen, &dwLen, 0); + ok(result, "%08x\n", GetLastError()); + ok(dwKeyLen == 40, "Expected 40, got %d\n", dwKeyLen); + + dwLen = sizeof(pszBuffer); + memset(pszBuffer, 0xAF, dwLen); + result = CryptGetKeyParam(hKey, KP_SALT, pszBuffer, &dwLen, 0); + ok(result, "%08x\n", GetLastError()); + if (!ENHANCED_PROV) + ok(dwLen == 11, "Expected 11, got %d\n", dwLen); + else + todo_wine + ok(dwLen == 0, "Expected 0, got %d\n", dwLen); + + result = CryptDestroyKey(hKey); + ok(result, "%08x\n", GetLastError()); + + result = CryptDestroyHash(hHash); + ok(result, "%08x\n", GetLastError()); } }
@@ -1583,6 +1656,12 @@ static void test_rc4(void) static const BYTE rc4[16] = { 0x17, 0x0c, 0x44, 0x8e, 0xae, 0x90, 0xcd, 0xb0, 0x7f, 0x87, 0xf5, 0x7a, 0xec, 0xb2, 0x2e, 0x35 }; + static const BYTE rc4_40_salt[16] = { + 0x41, 0xE6, 0x33, 0xC9, 0x50, 0xA1, 0xBF, 0x88, + 0x12, 0x4D, 0xD3, 0xE3, 0x47, 0x88, 0x6D, 0xA5 }; + static const BYTE rc4_40_salt_base[16] = { + 0x2F, 0xAC, 0xEA, 0xEA, 0xFF, 0x68, 0x7E, 0x77, + 0xF4, 0xB9, 0x48, 0x7C, 0x4E, 0x79, 0xA6, 0xB5 }; BOOL result; HCRYPTHASH hHash; HCRYPTKEY hKey; @@ -1684,6 +1763,57 @@ static void test_rc4(void)
result = CryptDestroyKey(hKey); ok(result, "%08x\n", GetLastError()); + + /* Test a 40 bit key with salt */ + result = CryptCreateHash(hProv, CALG_MD5, 0, 0, &hHash); + ok(result, "%08x\n", GetLastError()); + + result = CryptHashData(hHash, pbData, sizeof(pbData), 0); + ok(result, "%08x\n", GetLastError()); + + result = CryptDeriveKey(hProv, CALG_RC4, hHash, (40<<16)|CRYPT_CREATE_SALT, &hKey); + ok(result, "%08x\n", GetLastError()); + dwDataLen = 16; + memset(pbData, 0xAF, dwDataLen); + SetLastError(0xdeadbeef); + result = CryptEncrypt(hKey, 0, TRUE, 0, pbData, &dwDataLen, 24); + ok(result, "%08x\n", GetLastError()); + /* Remove IF when fixed */ + if (ENHANCED_PROV) + { + todo_wine + ok((ENHANCED_PROV && !memcmp(pbData, rc4_40_salt, dwDataLen)) || + (!ENHANCED_PROV && !memcmp(pbData, rc4_40_salt_base, dwDataLen)), + "RC4 encryption failed!\n"); + } + else + { + ok((ENHANCED_PROV && !memcmp(pbData, rc4_40_salt, dwDataLen)) || + (!ENHANCED_PROV && !memcmp(pbData, rc4_40_salt_base, dwDataLen)), + "RC4 encryption failed!\n"); + } + + dwLen = sizeof(DWORD); + dwKeyLen = 12345; + result = CryptGetKeyParam(hKey, KP_KEYLEN, (BYTE*)&dwKeyLen, &dwLen, 0); + ok(result, "%08x\n", GetLastError()); + ok(dwKeyLen == 40, "Expected 40, got %d\n", dwKeyLen); + + dwLen = sizeof(pszBuffer); + memset(pszBuffer, 0xAF, dwLen); + result = CryptGetKeyParam(hKey, KP_SALT, pszBuffer, &dwLen, 0); + ok(result, "%08x\n", GetLastError()); + if (!ENHANCED_PROV) + ok(dwLen == 11, "Expected 11, got %d\n", dwLen); + else + todo_wine + ok(dwLen == 0, "Expected 0, got %d\n", dwLen); + + result = CryptDestroyKey(hKey); + ok(result, "%08x\n", GetLastError()); + + result = CryptDestroyHash(hHash); + ok(result, "%08x\n", GetLastError()); } }