upstream commit

remove post-SSHv1 removal dead code from rsa.c and merge
the remaining bit that it still used into ssh-rsa.c; ok markus

Upstream-ID: ac8a048d24dcd89594b0052ea5e3404b473bfa2f

1 files changed, 0 insertions, 188 deletions

diff --git a/rsa.c b/rsa.c
deleted file mode 100644
index 5ecacef9..00000000
--- a/rsa.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/* $OpenBSD: rsa.c,v 1.32 2014/06/24 01:13:21 djm Exp $ */
-/*
- * Author: Tatu Ylonen <ylo@cs.hut.fi>
- * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- *                    All rights reserved
- *
- * As far as I am concerned, the code I have written for this software
- * can be used freely for any purpose.  Any derived versions of this
- * software must be clearly marked as such, and if the derived work is
- * incompatible with the protocol description in the RFC file, it must be
- * called by a name other than "ssh" or "Secure Shell".
- *
- *
- * Copyright (c) 1999 Niels Provos.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *
- * Description of the RSA algorithm can be found e.g. from the following
- * sources:
- *
- *   Bruce Schneier: Applied Cryptography.  John Wiley & Sons, 1994.
- *
- *   Jennifer Seberry and Josed Pieprzyk: Cryptography: An Introduction to
- *   Computer Security.  Prentice-Hall, 1989.
- *
- *   Man Young Rhee: Cryptography and Secure Data Communications.  McGraw-Hill,
- *   1994.
- *
- *   R. Rivest, A. Shamir, and L. M. Adleman: Cryptographic Communications
- *   System and Method.  US Patent 4,405,829, 1983.
- *
- *   Hans Riesel: Prime Numbers and Computer Methods for Factorization.
- *   Birkhauser, 1994.
- *
- *   The RSA Frequently Asked Questions document by RSA Data Security,
- *   Inc., 1995.
- *
- *   RSA in 3 lines of perl by Adam Back <aba@atlax.ex.ac.uk>, 1995, as
- * included below:
- *
- *     [gone - had to be deleted - what a pity]
- */
-
-#include "includes.h"
-
-#include <sys/types.h>
-
-#include <stdarg.h>
-#include <string.h>
-
-#include "rsa.h"
-#include "log.h"
-#include "ssherr.h"
-
-int
-rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key)
-{
-	u_char *inbuf = NULL, *outbuf = NULL;
-	int len, ilen, olen, r = SSH_ERR_INTERNAL_ERROR;
-
-	if (BN_num_bits(key->e) < 2 || !BN_is_odd(key->e))
-		return SSH_ERR_INVALID_ARGUMENT;
-
-	olen = BN_num_bytes(key->n);
-	if ((outbuf = malloc(olen)) == NULL) {
-		r = SSH_ERR_ALLOC_FAIL;
-		goto out;
-	}
-
-	ilen = BN_num_bytes(in);
-	if ((inbuf = malloc(ilen)) == NULL) {
-		r = SSH_ERR_ALLOC_FAIL;
-		goto out;
-	}
-	BN_bn2bin(in, inbuf);
-
-	if ((len = RSA_public_encrypt(ilen, inbuf, outbuf, key,
-	    RSA_PKCS1_PADDING)) <= 0) {
-		r = SSH_ERR_LIBCRYPTO_ERROR;
-		goto out;
-	}
-
-	if (BN_bin2bn(outbuf, len, out) == NULL) {
-		r = SSH_ERR_LIBCRYPTO_ERROR;
-		goto out;
-	}
-	r = 0;
-
- out:
-	if (outbuf != NULL) {
-		explicit_bzero(outbuf, olen);
-		free(outbuf);
-	}
-	if (inbuf != NULL) {
-		explicit_bzero(inbuf, ilen);
-		free(inbuf);
-	}
-	return r;
-}
-
-int
-rsa_private_decrypt(BIGNUM *out, BIGNUM *in, RSA *key)
-{
-	u_char *inbuf = NULL, *outbuf = NULL;
-	int len, ilen, olen, r = SSH_ERR_INTERNAL_ERROR;
-
-	olen = BN_num_bytes(key->n);
-	if ((outbuf = malloc(olen)) == NULL) {
-		r = SSH_ERR_ALLOC_FAIL;
-		goto out;
-	}
-
-	ilen = BN_num_bytes(in);
-	if ((inbuf = malloc(ilen)) == NULL) {
-		r = SSH_ERR_ALLOC_FAIL;
-		goto out;
-	}
-	BN_bn2bin(in, inbuf);
-
-	if ((len = RSA_private_decrypt(ilen, inbuf, outbuf, key,
-	    RSA_PKCS1_PADDING)) <= 0) {
-		r = SSH_ERR_LIBCRYPTO_ERROR;
-		goto out;
-	} else if (BN_bin2bn(outbuf, len, out) == NULL) {
-		r = SSH_ERR_LIBCRYPTO_ERROR;
-		goto out;
-	}
-	r = 0;
- out:
-	if (outbuf != NULL) {
-		explicit_bzero(outbuf, olen);
-		free(outbuf);
-	}
-	if (inbuf != NULL) {
-		explicit_bzero(inbuf, ilen);
-		free(inbuf);
-	}
-	return r;
-}
-
-/* calculate p-1 and q-1 */
-int
-rsa_generate_additional_parameters(RSA *rsa)
-{
-	BIGNUM *aux = NULL;
-	BN_CTX *ctx = NULL;
-	int r;
-
-	if ((ctx = BN_CTX_new()) == NULL)
-		return SSH_ERR_ALLOC_FAIL;
-	if ((aux = BN_new()) == NULL) {
-		r = SSH_ERR_ALLOC_FAIL;
-		goto out;
-	}
-
-	if ((BN_sub(aux, rsa->q, BN_value_one()) == 0) ||
-	    (BN_mod(rsa->dmq1, rsa->d, aux, ctx) == 0) ||
-	    (BN_sub(aux, rsa->p, BN_value_one()) == 0) ||
-	    (BN_mod(rsa->dmp1, rsa->d, aux, ctx) == 0)) {
-		r = SSH_ERR_LIBCRYPTO_ERROR;
-		goto out;
-	}
-	r = 0;
- out:
-	BN_clear_free(aux);
-	BN_CTX_free(ctx);
-	return r;
-}
-