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OpenSSL: Silence a compiler warning with OpenSSL 0.9.7 

The PKCS5_PBKDF2_HMAC_SHA1() function in OpenSSL 0.9.7 did not mark
the salt parameter const even though it was not modified. Hide the
compiler warning with a type cast when an old OpenSSL version is
used.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2012-08-16 22:56:19 +03:00
parent 26a379224c
commit adb9b8edc4
1 changed files with 7 additions and 0 deletions
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7
src/crypto/crypto_openssl.c
View File

@ -698,9 +698,16 @@ int crypto_hash_finish(struct crypto_hash *ctx, u8 *mac, size_t *len)
int pbkdf2_sha1(const char *passphrase, const u8 *ssid, size_t ssid_len,
int iterations, u8 *buf, size_t buflen)
{
#if OPENSSL_VERSION_NUMBER < 0x00908000
if (PKCS5_PBKDF2_HMAC_SHA1(passphrase, os_strlen(passphrase),
(unsigned char *) ssid,
ssid_len, 4096, buflen, buf) != 1)
return -1;
#else /* openssl < 0.9.8 */
if (PKCS5_PBKDF2_HMAC_SHA1(passphrase, os_strlen(passphrase), ssid,
ssid_len, 4096, buflen, buf) != 1)
return -1;
#endif /* openssl < 0.9.8 */
return 0;
}