Commit 25ffeb11 authored by Matt Caswell's avatar Matt Caswell
Browse files

Fix another EVP_DigestVerify() instance 



Following on from the previous commit this fixes another instance where
we need to treat a -ve return from EVP_DigestVerify() as a bad signature.

Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3756)
parent cfba0675

ssl/statem/statem_lib.c

+1 −4
Original line number Diff line number Diff line
@@ -459,10 +459,7 @@ MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt) 
        }

    } else {

        j = EVP_DigestVerify(mctx, data, len, hdata, hdatalen);

        if (j < 0) {

            SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_EVP_LIB);

            goto f_err;

        } else if (j == 0) {

        if (j <= 0) {

            al = SSL_AD_DECRYPT_ERROR;

            SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_BAD_SIGNATURE);

            goto f_err;