This commit was manufactured by cvs2svn to create branch

[oweals/openssl.git] / crypto / evp / p5_crpt.c

diff --git a/crypto/evp/p5_crpt.c b/crypto/evp/p5_crpt.c
index 1c4a47bd408113c56f5505e7df96abfee28cea36..7ecfa8dad97a43615c2b6b13049ac18ecbb832b8 100644 (file)
--- a/crypto/evp/p5_crpt.c
+++ b/crypto/evp/p5_crpt.c
@@ -1,5 +1,5 @@
 /* p5_crpt.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 1999.
  */
 /* ====================================================================
@@ -81,6 +81,7 @@ int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
        int saltlen, iter;
        unsigned char *salt;
        const unsigned char *pbuf;
+       int mdsize;
 
        /* Extract useful info from parameter */
        if (param == NULL || param->type != V_ASN1_SEQUENCE ||
@@ -109,9 +110,12 @@ int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
        EVP_DigestUpdate(&ctx, salt, saltlen);
        PBEPARAM_free(pbe);
        EVP_DigestFinal_ex(&ctx, md_tmp, NULL);
+       mdsize = EVP_MD_size(md);
+       if (mdsize < 0)
+           return 0;
        for (i = 1; i < iter; i++) {
                EVP_DigestInit_ex(&ctx, md, NULL);
-               EVP_DigestUpdate(&ctx, md_tmp, EVP_MD_size(md));
+               EVP_DigestUpdate(&ctx, md_tmp, mdsize);
                EVP_DigestFinal_ex (&ctx, md_tmp, NULL);
        }
        EVP_MD_CTX_cleanup(&ctx);