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Use SystemFunction036 to generate random bytes.

This commit is contained in:
Michael Jung 2005-05-27 19:22:22 +00:00 committed by Alexandre Julliard
parent 12497168fa
commit bd78de791d
1 changed files with 3 additions and 19 deletions
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22
dlls/rsaenh/implglue.c
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@ -47,6 +47,8 @@ VOID WINAPI MD5Final( MD5_CTX *ctx );
VOID WINAPI A_SHAInit(PSHA_CTX Context); VOID WINAPI A_SHAInit(PSHA_CTX Context);
VOID WINAPI A_SHAUpdate(PSHA_CTX Context, PCHAR Buffer, UINT BufferSize); VOID WINAPI A_SHAUpdate(PSHA_CTX Context, PCHAR Buffer, UINT BufferSize);
VOID WINAPI A_SHAFinal(PSHA_CTX Context, PULONG Result); VOID WINAPI A_SHAFinal(PSHA_CTX Context, PULONG Result);
/* Function prototype copied from dlls/advapi32/crypt.c */
BOOL WINAPI SystemFunction036(PVOID pbBuffer, ULONG dwLen);
BOOL init_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext) BOOL init_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext)
{ {
@ -337,25 +339,7 @@ BOOL encrypt_stream_impl(ALG_ID aiAlgid, KEY_CONTEXT *pKeyContext, BYTE *stream,
BOOL gen_rand_impl(BYTE *pbBuffer, DWORD dwLen) BOOL gen_rand_impl(BYTE *pbBuffer, DWORD dwLen)
{ {
int dev_random; return SystemFunction036(pbBuffer, dwLen);
/* FIXME: /dev/urandom does not provide random numbers of a sufficient
* quality for cryptographic applications. /dev/random is much better,
* but it blocks if the kernel has not yet collected enough entropy for
* the request, which will suspend the calling thread for an indefinite
* amount of time. */
dev_random = open("/dev/urandom", O_RDONLY);
if (dev_random != -1)
{
if (read(dev_random, pbBuffer, dwLen) == (ssize_t)dwLen)
{
close(dev_random);
return TRUE;
}
close(dev_random);
}
SetLastError(NTE_FAIL);
return FALSE;
} }
BOOL export_public_key_impl(BYTE *pbDest, KEY_CONTEXT *pKeyContext, DWORD dwKeyLen,DWORD *pdwPubExp) BOOL export_public_key_impl(BYTE *pbDest, KEY_CONTEXT *pKeyContext, DWORD dwKeyLen,DWORD *pdwPubExp)