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Support for generating and exporting PCT1, SSL2/3 and TLS1 master

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secrets. Ensure that these are not used in CPEncrypt, CPDecrypt or
CPDeriveKey.
This commit is contained in:
Michael Jung 2005-01-10 12:27:32 +00:00 committed by Alexandre Julliard
parent ea01425e16
commit 2c845618a3
1 changed files with 51 additions and 2 deletions
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53
dlls/rsaenh/rsaenh.c
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@ -64,7 +64,7 @@ typedef struct tagCRYPTHASH
* CRYPTKEY - key objects
*/
#define RSAENH_MAGIC_KEY 0x73620457u
#define RSAENH_MAX_KEY_SIZE 24
#define RSAENH_MAX_KEY_SIZE 48
#define RSAENH_MAX_BLOCK_SIZE 24
#define RSAENH_KEYSTATE_IDLE 0
#define RSAENH_KEYSTATE_ENCRYPTING 1
@ -125,6 +125,10 @@ typedef struct tagKEYCONTAINER
#define RSAENH_MAGIC_RSA2 0x32415352
#define RSAENH_MAGIC_RSA1 0x31415352
#define RSAENH_PKC_BLOCKTYPE 0x02
#define RSAENH_SSL3_VERSION_MAJOR 3
#define RSAENH_SSL3_VERSION_MINOR 0
#define RSAENH_TLS1_VERSION_MAJOR 3
#define RSAENH_TLS1_VERSION_MINOR 1
#define RSAENH_REGKEY "Software\\Wine\\Crypto\\RSA\\%s"
#define RSAENH_MIN(a,b) ((a)<(b)?(a):(b))
@ -675,6 +679,10 @@ static HCRYPTKEY new_key(HCRYPTPROV hProv, ALG_ID aiAlgid, DWORD dwFlags, CRYPTK
switch(aiAlgid)
{
case CALG_PCT1_MASTER:
case CALG_SSL2_MASTER:
case CALG_SSL3_MASTER:
case CALG_TLS1_MASTER:
case CALG_RC4:
pCryptKey->dwBlockLen = 0;
pCryptKey->dwMode = 0;
@ -1398,6 +1406,11 @@ BOOL WINAPI RSAENH_CPEncrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash,
return FALSE;
}
if (GET_ALG_CLASS(pCryptKey->aiAlgid) != ALG_CLASS_DATA_ENCRYPT) {
SetLastError(NTE_BAD_TYPE);
return FALSE;
}
if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
pCryptKey->dwState = RSAENH_KEYSTATE_ENCRYPTING;
@ -1519,6 +1532,11 @@ BOOL WINAPI RSAENH_CPDecrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash,
return FALSE;
}
if (GET_ALG_CLASS(pCryptKey->aiAlgid) != ALG_CLASS_DATA_ENCRYPT) {
SetLastError(NTE_BAD_TYPE);
return FALSE;
}
if (pCryptKey->dwState == RSAENH_KEYSTATE_IDLE)
pCryptKey->dwState = RSAENH_KEYSTATE_DECRYPTING;
@ -1619,6 +1637,13 @@ BOOL WINAPI RSAENH_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubK
return FALSE;
}
if (dwFlags & CRYPT_SSL2_FALLBACK) {
if (pCryptKey->aiAlgid != CALG_SSL2_MASTER) {
SetLastError(NTE_BAD_KEY);
return FALSE;
}
}
switch ((BYTE)dwBlobType)
{
case SIMPLEBLOB:
@ -1627,7 +1652,7 @@ BOOL WINAPI RSAENH_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubK
return FALSE;
}
if (GET_ALG_CLASS(pCryptKey->aiAlgid) != ALG_CLASS_DATA_ENCRYPT) {
if (!(GET_ALG_CLASS(pCryptKey->aiAlgid)&(ALG_CLASS_DATA_ENCRYPT|ALG_CLASS_MSG_ENCRYPT))) {
SetLastError(NTE_BAD_KEY); /* FIXME: error code? */
return FALSE;
}
@ -1652,6 +1677,9 @@ BOOL WINAPI RSAENH_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubK
pbRawData[1] = RSAENH_PKC_BLOCKTYPE;
for (i=2; i < pPubKey->dwBlockLen - pCryptKey->dwKeyLen - 1; i++)
do gen_rand_impl(&pbRawData[i], 1); while (!pbRawData[i]);
if (dwFlags & CRYPT_SSL2_FALLBACK)
for (i-=8; i < pPubKey->dwBlockLen - pCryptKey->dwKeyLen - 1; i++)
pbRawData[i] = 0x03;
pbRawData[i] = 0x00;
for (i=0; i<pCryptKey->dwKeyLen; i++)
pbRawData[pPubKey->dwBlockLen - pCryptKey->dwKeyLen + i] =
@ -1929,9 +1957,24 @@ BOOL WINAPI RSAENH_CPGenKey(HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYP
case CALG_DES:
case CALG_3DES_112:
case CALG_3DES:
case CALG_PCT1_MASTER:
case CALG_SSL2_MASTER:
case CALG_SSL3_MASTER:
case CALG_TLS1_MASTER:
*phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
if (pCryptKey) {
gen_rand_impl(pCryptKey->abKeyValue, RSAENH_MAX_KEY_SIZE);
switch (Algid) {
case CALG_SSL3_MASTER:
pCryptKey->abKeyValue[0] = RSAENH_SSL3_VERSION_MAJOR;
pCryptKey->abKeyValue[1] = RSAENH_SSL3_VERSION_MINOR;
break;
case CALG_TLS1_MASTER:
pCryptKey->abKeyValue[0] = RSAENH_TLS1_VERSION_MAJOR;
pCryptKey->abKeyValue[1] = RSAENH_TLS1_VERSION_MINOR;
break;
}
setup_key(pCryptKey);
}
break;
@ -2414,6 +2457,12 @@ BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseD
return FALSE;
}
if (GET_ALG_CLASS(Algid) != ALG_CLASS_DATA_ENCRYPT)
{
SetLastError(NTE_BAD_KEY);
return FALSE;
}
*phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;