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Make hash functions return error value

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Some crypto libraries can return in these functions (e.g., if a specific
hash function is disabled), so we better provide the caller a chance to
check whether the call failed. The return values are not yet used
anywhere, but they will be needed for future changes.
This commit is contained in:
Jouni Malinen 2009-08-16 14:06:00 +03:00
parent e1ffdfc18b
commit 0a5d68aba5
16 changed files with 153 additions and 94 deletions
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3
src/crypto/md4-internal.c
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@ -32,7 +32,7 @@ static void MD4Update(MD4_CTX *ctx, const unsigned char *input, size_t len);
static void MD4Final(unsigned char digest[MD4_DIGEST_LENGTH], MD4_CTX *ctx);
void md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
int md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
{
MD4_CTX ctx;
size_t i;
@ -41,6 +41,7 @@ void md4_vector(size_t num_elem, const u8 *addr[], const size_t *len, u8 *mac)
for (i = 0; i < num_elem; i++)
MD4Update(&ctx, addr[i], len[i]);
MD4Final(mac, &ctx);
return 0;
}