From 6a9bca18b0b48d12ad4f4e97215dff62f834ddcb Mon Sep 17 00:00:00 2001 From: markus Date: Tue, 27 Mar 2001 10:57:00 +0000 Subject: some older systems use NID_md5 instead of NID_sha1 for RSASSA-PKCS1-v1_5 signatures in SSH protocol 2, ok djm@ --- usr.bin/ssh/ssh-rsa.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'usr.bin/ssh/ssh-rsa.c') diff --git a/usr.bin/ssh/ssh-rsa.c b/usr.bin/ssh/ssh-rsa.c index a2153bd1ad5..b502ddb6e0d 100644 --- a/usr.bin/ssh/ssh-rsa.c +++ b/usr.bin/ssh/ssh-rsa.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: ssh-rsa.c,v 1.7 2001/03/27 10:34:08 markus Exp $"); +RCSID("$OpenBSD: ssh-rsa.c,v 1.8 2001/03/27 10:57:00 markus Exp $"); #include #include @@ -34,6 +34,7 @@ RCSID("$OpenBSD: ssh-rsa.c,v 1.7 2001/03/27 10:34:08 markus Exp $"); #include "bufaux.h" #include "key.h" #include "ssh-rsa.h" +#include "compat.h" /* RSASSA-PKCS1-v1_5 (PKCS #1 v2.0 signature) with SHA1 */ int @@ -53,7 +54,7 @@ ssh_rsa_sign( error("ssh_rsa_sign: no RSA key"); return -1; } - nid = NID_sha1; + nid = (datafellows & SSH_BUG_RSASIGMD5) ? NID_md5 : NID_sha1; if ((evp_md = EVP_get_digestbynid(nid)) == NULL) { error("ssh_rsa_sign: EVP_get_digestbynid %d failed", nid); return -1; @@ -147,7 +148,7 @@ ssh_rsa_verify( error("ssh_rsa_verify: remaining bytes in signature %d", rlen); return -1; } - nid = NID_sha1; + nid = (datafellows & SSH_BUG_RSASIGMD5) ? NID_md5 : NID_sha1; if ((evp_md = EVP_get_digestbynid(nid)) == NULL) { xfree(sigblob); error("ssh_rsa_verify: EVP_get_digestbynid %d failed", nid); -- cgit v1.2.3-59-g8ed1b