Commit 9ca2cc78 authored by Emilia Kasper's avatar Emilia Kasper
Browse files

Add a comment noting the padding oracle.



Reviewed-by: default avatarAndy Polyakov <appro@openssl.org>
(cherry picked from commit 03af8430)
parent 0cf55223
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+5 −0
Original line number Diff line number Diff line
@@ -549,6 +549,11 @@ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
			return(0);
			}
		OPENSSL_assert(b <= sizeof ctx->final);

		/*
		 * The following assumes that the ciphertext has been authenticated.
		 * Otherwise it provides a padding oracle.
		 */
		n=ctx->final[b-1];
		if (n == 0 || n > (int)b)
			{