check return value

[openssl.git] / crypto / evp / p5_crpt2.c

diff --git a/crypto/evp/p5_crpt2.c b/crypto/evp/p5_crpt2.c
index dca05148672d5b96897d3e6f01be3078c80f4013..f2e143d2a68c2e6472d9c3cd97d45ca28cfbe6f9 100644 (file)
--- a/crypto/evp/p5_crpt2.c
+++ b/crypto/evp/p5_crpt2.c
@@ -77,7 +77,7 @@
  */
 
 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
-                          unsigned char *salt, int saltlen, int iter,
+                          const unsigned char *salt, int saltlen, int iter,
                           int keylen, unsigned char *out)
 {
        unsigned char digtmp[SHA_DIGEST_LENGTH], *p, itmp[4];
@@ -148,7 +148,8 @@ int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
                          ASN1_TYPE *param, const EVP_CIPHER *c, const EVP_MD *md,
                          int en_de)
 {
-       unsigned char *pbuf, *salt, key[EVP_MAX_KEY_LENGTH];
+       unsigned char *salt, key[EVP_MAX_KEY_LENGTH];
+       const unsigned char *pbuf;
        int saltlen, iter, plen;
        unsigned int keylen;
        PBE2PARAM *pbe2 = NULL;