Check EVP_DigestInit_ex() return value in EVP_BytesToKey().

c1facbb6 · Dr. Stephen Henson · f2c33fa6 · c1facbb6
隐藏空白更改
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Showing with 2 addition and 1 deletion

crypto/evp/evp_key.c crypto/evp/evp_key.c +2 -1

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--- a/crypto/evp/evp_key.c
+++ b/crypto/evp/evp_key.c
@@ -126,7 +126,8 @@ int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
 	EVP_MD_CTX_init(&c);
 	for (;;)
 		{
-		EVP_DigestInit_ex(&c,md, NULL);
+		if (!EVP_DigestInit_ex(&c,md, NULL))
+			return 0;
 		if (addmd++)
 			EVP_DigestUpdate(&c,&(md_buf[0]),mds);
 		EVP_DigestUpdate(&c,data,datal);