{CALG_AES_256, 256,256, 256,0, 8,"AES-256", 39,"Advanced Encryption Standard (AES-256)"},
{CALG_SHA, 160,160, 160,CRYPT_FLAG_SIGNING, 6,"SHA-1", 30,"Secure Hash Algorithm (SHA-1)"},
{CALG_SHA_256, 256,256, 256,CRYPT_FLAG_SIGNING, 6,"SHA-256", 30,"Secure Hash Algorithm (SHA-256)"},
- {CALG_SHA_384, 384,384, 384,CRYPT_FLAG_SIGNING, 6,"SHA-384", 30,"Secure Hash Algorithm (SHA-284)"},
+ {CALG_SHA_384, 384,384, 384,CRYPT_FLAG_SIGNING, 6,"SHA-384", 30,"Secure Hash Algorithm (SHA-384)"},
{CALG_SHA_512, 512,512, 512,CRYPT_FLAG_SIGNING, 6,"SHA-512", 30,"Secure Hash Algorithm (SHA-512)"},
{CALG_MD2, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD2", 23,"Message Digest 2 (MD2)"},
{CALG_MD4, 128,128, 128,CRYPT_FLAG_SIGNING, 4,"MD4", 23,"Message Digest 4 (MD4)"},
return TRUE;
}
+static inline KEYCONTAINER* get_key_container(HCRYPTPROV hProv)
+{
+ KEYCONTAINER *pKeyContainer;
+
+ if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
+ (OBJECTHDR**)&pKeyContainer))
+ {
+ SetLastError(NTE_BAD_UID);
+ return NULL;
+ }
+ return pKeyContainer;
+}
+
/******************************************************************************
* get_algid_info [Internal]
*
const PROV_ENUMALGS_EX *iterator;
KEYCONTAINER *pKeyContainer;
- if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer)) {
- SetLastError(NTE_BAD_UID);
- return NULL;
- }
+ if (!(pKeyContainer = get_key_container(hProv))) return NULL;
for (iterator = aProvEnumAlgsEx[pKeyContainer->dwPersonality]; iterator->aiAlgid; iterator++) {
if (iterator->aiAlgid == algid) return iterator;
{
HCRYPTKEY hCryptKey;
CRYPTKEY *pCryptKey;
- DWORD dwKeyLen = HIWORD(dwFlags);
+ DWORD dwKeyLen = HIWORD(dwFlags), bKeyLen = dwKeyLen;
const PROV_ENUMALGS_EX *peaAlgidInfo;
*ppCryptKey = NULL;
*/
break;
+ case CALG_AES:
+ if (!bKeyLen)
+ {
+ TRACE("missing key len for CALG_AES\n");
+ SetLastError(NTE_BAD_ALGID);
+ return (HCRYPTKEY)INVALID_HANDLE_VALUE;
+ }
+ /* fall through */
default:
if (dwKeyLen % 8 ||
dwKeyLen > peaAlgidInfo->dwMaxLen ||
destroy_key, (OBJECTHDR**)&pCryptKey);
if (hCryptKey != (HCRYPTKEY)INVALID_HANDLE_VALUE)
{
+ KEYCONTAINER *pKeyContainer = get_key_container(hProv);
pCryptKey->aiAlgid = aiAlgid;
pCryptKey->hProv = hProv;
pCryptKey->dwModeBits = 0;
pCryptKey->dwPermissions |= CRYPT_EXPORT;
pCryptKey->dwKeyLen = dwKeyLen >> 3;
pCryptKey->dwEffectiveKeyLen = 0;
- if ((dwFlags & CRYPT_CREATE_SALT) || (dwKeyLen == 40 && !(dwFlags & CRYPT_NO_SALT)))
+
+ /*
+ * For compatibility reasons a 40 bit key on the Enhanced
+ * provider will not have salt
+ */
+ if (pKeyContainer->dwPersonality == RSAENH_PERSONALITY_ENHANCED
+ && (aiAlgid == CALG_RC2 || aiAlgid == CALG_RC4)
+ && (dwFlags & CRYPT_CREATE_SALT) && dwKeyLen == 40)
+ pCryptKey->dwSaltLen = 0;
+ else if ((dwFlags & CRYPT_CREATE_SALT) || (dwKeyLen == 40 && !(dwFlags & CRYPT_NO_SALT)))
pCryptKey->dwSaltLen = 16 /*FIXME*/ - pCryptKey->dwKeyLen;
else
pCryptKey->dwSaltLen = 0;
case CALG_AES_192:
case CALG_AES_256:
pCryptKey->dwBlockLen = 16;
- pCryptKey->dwMode = CRYPT_MODE_ECB;
+ pCryptKey->dwMode = CRYPT_MODE_CBC;
break;
case CALG_RSA_KEYX:
pKeyContainer->dwPersonality = RSAENH_PERSONALITY_ENHANCED;
} else if (!strcmp(pVTable->pszProvName, MS_DEF_RSA_SCHANNEL_PROV_A)) {
pKeyContainer->dwPersonality = RSAENH_PERSONALITY_SCHANNEL;
- } else if (!strcmp(pVTable->pszProvName, MS_ENH_RSA_AES_PROV_A)) {
+ } else if (!strcmp(pVTable->pszProvName, MS_ENH_RSA_AES_PROV_A) ||
+ !strcmp(pVTable->pszProvName, MS_ENH_RSA_AES_PROV_XP_A)) {
pKeyContainer->dwPersonality = RSAENH_PERSONALITY_AES;
} else {
pKeyContainer->dwPersonality = RSAENH_PERSONALITY_STRONG;
0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
0x05, 0x00, 0x04, 0x20 } },
{ CALG_SHA_384, 19, { 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
- 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
+ 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02,
0x05, 0x00, 0x04, 0x30 } },
- { CALG_SHA_384, 19, { 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
- 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
+ { CALG_SHA_512, 19, { 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
+ 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03,
0x05, 0x00, 0x04, 0x40 } },
{ CALG_SSL3_SHAMD5, 0, { 0 } },
{ 0, 0, { 0 } }
{
KEYCONTAINER *pKeyContainer;
- if (lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
- (OBJECTHDR**)&pKeyContainer))
+ if ((pKeyContainer = get_key_container(hProv)))
{
store_key_container_keys(pKeyContainer);
store_key_container_permissions(pKeyContainer);
SetLastError(NTE_BAD_FLAGS);
return FALSE;
}
- if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
- (OBJECTHDR**)&pKeyContainer))
- {
- SetLastError(NTE_BAD_UID);
+ if (!(pKeyContainer = get_key_container(hProv)))
return FALSE;
- }
if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)))
{
SetLastError(NTE_BAD_FLAGS);
return FALSE;
}
- if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
- (OBJECTHDR**)&pKeyContainer))
- {
- SetLastError(NTE_BAD_UID);
+ if (!(pKeyContainer = get_key_container(hProv)))
return FALSE;
- }
if ((dwDataLen < sizeof(BLOBHEADER) + sizeof(RSAPUBKEY)) ||
(pRSAPubKey->magic != RSAENH_MAGIC_RSA1) ||
KEYCONTAINER *pKeyContainer;
const BLOBHEADER *pBlobHeader = (const BLOBHEADER*)pbData;
- if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
- (OBJECTHDR**)&pKeyContainer))
- {
- SetLastError(NTE_BAD_UID);
+ if (!(pKeyContainer = get_key_container(hProv)))
return FALSE;
- }
if (dwDataLen < sizeof(BLOBHEADER) ||
pBlobHeader->bVersion != CUR_BLOB_VERSION ||
TRACE("(hProv=%08lx, aiAlgid=%d, dwFlags=%08x, phKey=%p)\n", hProv, Algid, dwFlags, phKey);
- if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
- (OBJECTHDR**)&pKeyContainer))
+ if (!(pKeyContainer = get_key_container(hProv)))
{
/* MSDN: hProv not containing valid context handle */
- SetLastError(NTE_BAD_UID);
return FALSE;
}
case KP_EFFECTIVE_KEYLEN:
switch (pCryptKey->aiAlgid) {
case CALG_RC2:
+ {
+ DWORD keylen, deflen;
+ BOOL ret = TRUE;
+ KEYCONTAINER *pKeyContainer = get_key_container(pCryptKey->hProv);
+
if (!pbData)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
- else if (!*(DWORD *)pbData || *(DWORD *)pbData > 1024)
+ keylen = *(DWORD *)pbData;
+ if (!keylen || keylen > 1024)
{
SetLastError(NTE_BAD_DATA);
return FALSE;
}
- else
+
+ /*
+ * The Base provider will force the key length to default
+ * and set an error state if a key length different from
+ * the default is tried.
+ */
+ deflen = aProvEnumAlgsEx[pKeyContainer->dwPersonality]->dwDefaultLen;
+ if (pKeyContainer->dwPersonality == RSAENH_PERSONALITY_BASE
+ && keylen != deflen)
{
- pCryptKey->dwEffectiveKeyLen = *(DWORD *)pbData;
- setup_key(pCryptKey);
+ keylen = deflen;
+ SetLastError(NTE_BAD_DATA);
+ ret = FALSE;
}
- break;
+ pCryptKey->dwEffectiveKeyLen = keylen;
+ setup_key(pCryptKey);
+ return ret;
+ }
default:
SetLastError(NTE_BAD_TYPE);
return FALSE;
return FALSE;
}
- if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
- (OBJECTHDR**)&pKeyContainer))
+ if (!(pKeyContainer = get_key_container(hProv)))
{
/* MSDN: hProv not containing valid context handle */
- SetLastError(NTE_BAD_UID);
return FALSE;
}
switch (GET_ALG_CLASS(Algid))
{
case ALG_CLASS_DATA_ENCRYPT:
+ {
+ int need_padding, copy_len;
*phKey = new_key(hProv, Algid, dwFlags, &pCryptKey);
if (*phKey == (HCRYPTKEY)INVALID_HANDLE_VALUE) return FALSE;
*/
dwLen = RSAENH_MAX_HASH_SIZE;
RSAENH_CPGetHashParam(pCryptHash->hProv, hBaseData, HP_HASHVAL, abHashValue, &dwLen, 0);
-
- if (dwLen < pCryptKey->dwKeyLen) {
+
+ /*
+ * The usage of padding seems to vary from algorithm to algorithm.
+ * For now the only different case found was for AES with 128 bit key.
+ */
+ switch(Algid)
+ {
+ case CALG_AES_128:
+ /* To reduce the chance of regressions we will only deviate
+ * from the old behavior for the tested hash lengths */
+ if (dwLen == 16 || dwLen == 20)
+ {
+ need_padding = 1;
+ break;
+ }
+ default:
+ need_padding = dwLen < pCryptKey->dwKeyLen;
+ }
+
+ 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;
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:
if (!lookup_handle(&handle_table, pCryptHash->hKey, RSAENH_MAGIC_KEY,
(OBJECTHDR**)&pMasterKey))
TRACE("(hProv=%08lx, dwKeySpec=%08x, phUserKey=%p)\n", hProv, dwKeySpec, phUserKey);
- if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER,
- (OBJECTHDR**)&pKeyContainer))
+ if (!(pKeyContainer = get_key_container(hProv)))
{
/* MSDN: hProv not containing valid context handle */
- SetLastError(NTE_BAD_UID);
return FALSE;
}
TRACE("(hProv=%08lx, dwParam=%08x, pbData=%p, dwFlags=%08x)\n", hProv, dwParam, pbData, dwFlags);
- if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR **)&pKeyContainer))
- {
- SetLastError(NTE_BAD_UID);
+ if (!(pKeyContainer = get_key_container(hProv)))
return FALSE;
- }
switch (dwParam)
{
projects / reactos.git / blobdiff