Audit libcrypto for unchecked return values: fix all cases enountered

[openssl.git] / crypto / dsa / dsa_gen.c

diff --git a/crypto/dsa/dsa_gen.c b/crypto/dsa/dsa_gen.c
index 0fcd25f8b0a3e5e09d7add9b1cd130468a76870a..cd6bba3682825417c6b2b08806a5b41c404d9902 100644 (file)
--- a/crypto/dsa/dsa_gen.c
+++ b/crypto/dsa/dsa_gen.c
@@ -201,8 +201,10 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
                                }
 
                        /* step 2 */
-                       EVP_Digest(seed, qsize, md,   NULL, evpmd, NULL);
-                       EVP_Digest(buf,  qsize, buf2, NULL, evpmd, NULL);
+                       if (!EVP_Digest(seed, qsize, md,   NULL, evpmd, NULL))
+                               goto err;
+                       if (!EVP_Digest(buf,  qsize, buf2, NULL, evpmd, NULL))
+                               goto err;
                        for (i = 0; i < qsize; i++)
                                md[i]^=buf2[i];
 
@@ -252,7 +254,9 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
                                                break;
                                        }
 
-                               EVP_Digest(buf, qsize, md ,NULL, evpmd, NULL);
+                               if (!EVP_Digest(buf, qsize, md ,NULL, evpmd,
+                                                                       NULL))
+                                       goto err;
 
                                /* step 8 */
                                if (!BN_bin2bn(md, qsize, r0))