File Manager

003 File Manager

Current Path: /usr/src/crypto/openssh

📁 ..
📄 .depend(129.94 KB)
📄 .gitignore(341 B)
📄 .skipped-commit-ids(1.85 KB)
📄 CREDITS(5.36 KB)
📄 ChangeLog(299.53 KB)
📄 FREEBSD-upgrade(5.68 KB)
📄 FREEBSD-vendor(131 B)
📄 INSTALL(9.36 KB)
📄 LICENCE(14.83 KB)
📄 Makefile.in(24.73 KB)
📄 OVERVIEW(6.16 KB)
📄 PROTOCOL(18 KB)
📄 PROTOCOL.agent(220 B)
📄 PROTOCOL.certkeys(11.91 KB)
📄 PROTOCOL.chacha20poly1305(4.52 KB)
📄 PROTOCOL.key(1.5 KB)
📄 PROTOCOL.krl(5.13 KB)
📄 PROTOCOL.mux(8.87 KB)
📄 README(2.39 KB)
📄 README.dns(1.57 KB)
📄 README.platform(3.95 KB)
📄 README.privsep(2.25 KB)
📄 README.tun(4.78 KB)
📄 TODO(2.54 KB)
📄 aclocal.m4(5.56 KB)
📄 addrmatch.c(10.97 KB)
📄 atomicio.c(4.4 KB)
📄 atomicio.h(2.14 KB)
📄 audit-bsm.c(11.82 KB)
📄 audit-linux.c(3.46 KB)
📄 audit.c(5.69 KB)
📄 audit.h(2.27 KB)
📄 auth-bsdauth.c(3.65 KB)
📄 auth-krb5.c(6.93 KB)
📄 auth-options.c(23.45 KB)
📄 auth-options.h(2.75 KB)
📄 auth-pam.c(35.07 KB)
📄 auth-pam.h(1.89 KB)
📄 auth-passwd.c(6.42 KB)
📄 auth-rhosts.c(8.89 KB)
📄 auth-shadow.c(4.25 KB)
📄 auth-sia.c(3.15 KB)
📄 auth-sia.h(1.4 KB)
📄 auth-skey.c(2.75 KB)
📄 auth.c(32.86 KB)
📄 auth.h(7.95 KB)
📄 auth2-chall.c(9.77 KB)
📄 auth2-gss.c(9.63 KB)
📄 auth2-hostbased.c(8.08 KB)
📄 auth2-kbdint.c(2.2 KB)
📄 auth2-none.c(2.29 KB)
📄 auth2-passwd.c(2.36 KB)
📄 auth2-pubkey.c(28.79 KB)
📄 auth2.c(22.23 KB)
📄 authfd.c(14.47 KB)
📄 authfd.h(3.05 KB)
📄 authfile.c(12.59 KB)
📄 authfile.h(2.34 KB)
📄 bitmap.c(4.44 KB)
📄 bitmap.h(1.9 KB)
📄 blacklist.c(2.81 KB)
📄 blacklist_client.h(2.09 KB)
📄 buildpkg.sh.in(17.64 KB)
📄 canohost.c(4.72 KB)
📄 canohost.h(842 B)
📄 chacha.c(5.28 KB)
📄 chacha.h(1000 B)
📄 channels.c(133.25 KB)
📄 channels.h(12.96 KB)
📄 cipher-aes.c(4.54 KB)
📄 cipher-aesctr.c(2.06 KB)
📄 cipher-aesctr.h(1.3 KB)
📄 cipher-chachapoly.c(3.72 KB)
📄 cipher-chachapoly.h(1.58 KB)
📄 cipher-ctr.c(3.57 KB)
📄 cipher.c(13.57 KB)
📄 cipher.h(3.15 KB)
📄 cleanup.c(1.01 KB)
📄 clientloop.c(66.05 KB)
📄 clientloop.h(3.69 KB)
📄 compat.c(6.62 KB)
📄 compat.h(2.77 KB)
📄 config.guess(42.74 KB)
📄 config.h(53.02 KB)
📄 config.sub(35.49 KB)
📄 configure.ac(147.81 KB)
📁 contrib
📄 crc32.c(4.92 KB)
📄 crc32.h(1.44 KB)
📄 crypto_api.h(1.12 KB)
📄 defines.h(21.73 KB)
📄 dh.c(15.14 KB)
📄 dh.h(2.59 KB)
📄 digest-libc.c(5.69 KB)
📄 digest-openssl.c(4.95 KB)
📄 digest.h(2.51 KB)
📄 dispatch.c(3.52 KB)
📄 dispatch.h(2.2 KB)
📄 dns.c(9.15 KB)
📄 dns.h(2.03 KB)
📄 ed25519.c(3.1 KB)
📄 entropy.c(6.34 KB)
📄 entropy.h(1.47 KB)
📄 fatal.c(1.63 KB)
📄 fe25519.c(8.13 KB)
📄 fe25519.h(2.31 KB)
📄 fixalgorithms(422 B)
📄 fixpaths(499 B)
📄 freebsd-configure.sh(1.07 KB)
📄 freebsd-namespace.sh(1.93 KB)
📄 freebsd-post-merge.sh(224 B)
📄 freebsd-pre-merge.sh(429 B)
📄 ge25519.c(11.04 KB)
📄 ge25519.h(1.35 KB)
📄 ge25519_base.data(164.61 KB)
📄 groupaccess.c(3.5 KB)
📄 groupaccess.h(1.53 KB)
📄 gss-genr.c(7.99 KB)
📄 gss-serv-krb5.c(5.63 KB)
📄 gss-serv.c(10.32 KB)
📄 hash.c(623 B)
📄 hmac.c(5.08 KB)
📄 hmac.h(1.62 KB)
📄 hostfile.c(21.7 KB)
📄 hostfile.h(3.8 KB)
📄 includes.h(3.85 KB)
📄 install-sh(13.67 KB)
📄 kex.c(25.9 KB)
📄 kex.h(7.32 KB)
📄 kexc25519.c(4.62 KB)
📄 kexc25519c.c(5.11 KB)
📄 kexc25519s.c(4.99 KB)
📄 kexdh.c(3.27 KB)
📄 kexdhc.c(6.13 KB)
📄 kexdhs.c(6.06 KB)
📄 kexecdh.c(3.49 KB)
📄 kexecdhc.c(6.22 KB)
📄 kexecdhs.c(5.94 KB)
📄 kexgex.c(3.67 KB)
📄 kexgexc.c(7.63 KB)
📄 kexgexs.c(7.35 KB)
📄 krb5_config.h(315 B)
📄 krl.c(35.63 KB)
📄 krl.h(2.67 KB)
📄 log.c(10.67 KB)
📄 log.h(2.64 KB)
📄 loginrec.c(41.91 KB)
📄 loginrec.h(4.6 KB)
📄 logintest.c(8.58 KB)
📄 mac.c(7.24 KB)
📄 mac.h(1.96 KB)
📄 match.c(9.14 KB)
📄 match.h(1.16 KB)
📄 md5crypt.c(3.98 KB)
📄 md5crypt.h(744 B)
📄 mdoc2man.awk(8.38 KB)
📄 misc.c(43.77 KB)
📄 misc.h(5.69 KB)
📄 mkinstalldirs(633 B)
📄 moduli(552 KB)
📄 moduli.5(3.6 KB)
📄 moduli.c(20.46 KB)
📄 monitor.c(50.56 KB)
📄 monitor.h(3.83 KB)
📄 monitor_fdpass.c(4.71 KB)
📄 monitor_fdpass.h(1.49 KB)
📄 monitor_wrap.c(27.44 KB)
📄 monitor_wrap.h(3.84 KB)
📄 msg.c(2.75 KB)
📄 msg.h(1.49 KB)
📄 mux.c(65.73 KB)
📄 myproposal.h(5.62 KB)
📄 nchan.c(12.06 KB)
📄 nchan.ms(3.86 KB)
📄 nchan2.ms(3.38 KB)
📄 opacket.c(5.55 KB)
📄 opacket.h(5.98 KB)
📁 openbsd-compat
📄 openssh.xml.in(2.77 KB)
📄 opensshd.init.in(1.86 KB)
📄 packet.c(70.79 KB)
📄 packet.h(7.39 KB)
📄 pathnames.h(5.69 KB)
📄 pkcs11.h(41.37 KB)
📄 platform-misc.c(1.09 KB)
📄 platform-pledge.c(1.86 KB)
📄 platform-tracing.c(1.69 KB)
📄 platform.c(4.71 KB)
📄 platform.h(1.43 KB)
📄 poly1305.c(4.54 KB)
📄 poly1305.h(645 B)
📄 progressmeter.c(7.48 KB)
📄 progressmeter.h(1.44 KB)
📄 readconf.c(81 KB)
📄 readconf.h(7.83 KB)
📄 readpass.c(4.99 KB)
📁 regress
📄 rijndael.c(51.57 KB)
📄 rijndael.h(2.07 KB)
📄 sandbox-capsicum.c(3.39 KB)
📄 sandbox-darwin.c(2.49 KB)
📄 sandbox-null.c(1.62 KB)
📄 sandbox-pledge.c(1.83 KB)
📄 sandbox-rlimit.c(2.43 KB)
📄 sandbox-seccomp-filter.c(9.88 KB)
📄 sandbox-solaris.c(2.9 KB)
📄 sandbox-systrace.c(6.27 KB)
📄 sc25519.c(7.16 KB)
📄 sc25519.h(2.83 KB)
📄 scp.1(5.56 KB)
📄 scp.c(39.14 KB)
📄 servconf.c(79.73 KB)
📄 servconf.h(10.13 KB)
📄 serverloop.c(26.03 KB)
📄 serverloop.h(1000 B)
📄 session.c(66.72 KB)
📄 session.h(2.59 KB)
📄 sftp-client.c(49.62 KB)
📄 sftp-client.h(4.29 KB)
📄 sftp-common.c(6.83 KB)
📄 sftp-common.h(2.02 KB)
📄 sftp-glob.c(3.38 KB)
📄 sftp-server-main.c(1.49 KB)
📄 sftp-server.8(4.98 KB)
📄 sftp-server.c(42.36 KB)
📄 sftp.1(14.53 KB)
📄 sftp.c(59.73 KB)
📄 sftp.h(3.33 KB)
📄 smult_curve25519_ref.c(6.71 KB)
📄 ssh-add.1(6.45 KB)
📄 ssh-add.c(17.69 KB)
📄 ssh-agent.1(7.16 KB)
📄 ssh-agent.c(33.19 KB)
📄 ssh-dss.c(5.55 KB)
📄 ssh-ecdsa.c(5.54 KB)
📄 ssh-ed25519.c(4.21 KB)
📄 ssh-gss.h(4.71 KB)
📄 ssh-keygen.1(26.5 KB)
📄 ssh-keygen.c(78.58 KB)
📄 ssh-keyscan.1(3.82 KB)
📄 ssh-keyscan.c(17.83 KB)
📄 ssh-keysign.8(2.95 KB)
📄 ssh-keysign.c(8.26 KB)
📄 ssh-pkcs11-client.c(6.65 KB)
📄 ssh-pkcs11-helper.8(1.33 KB)
📄 ssh-pkcs11-helper.c(9.79 KB)
📄 ssh-pkcs11.c(19.56 KB)
📄 ssh-pkcs11.h(1.06 KB)
📄 ssh-rsa.c(11.89 KB)
📄 ssh-sandbox.h(1.09 KB)
📄 ssh-xmss.c(5 KB)
📄 ssh.1(44.3 KB)
📄 ssh.c(61.58 KB)
📄 ssh.h(2.6 KB)
📄 ssh2.h(5.66 KB)
📄 ssh_api.c(13.81 KB)
📄 ssh_api.h(4.33 KB)
📄 ssh_config(1.53 KB)
📄 ssh_config.5(51.41 KB)
📄 ssh_namespace.h(44.25 KB)
📄 sshbuf-getput-basic.c(11.81 KB)
📄 sshbuf-getput-crypto.c(5.64 KB)
📄 sshbuf-misc.c(3.53 KB)
📄 sshbuf.c(8.96 KB)
📄 sshbuf.h(12.2 KB)
📄 sshconnect.c(43.92 KB)
📄 sshconnect.h(2.3 KB)
📄 sshconnect2.c(59.05 KB)
📄 sshd.8(30.87 KB)
📄 sshd.c(64.58 KB)
📄 sshd_config(3.18 KB)
📄 sshd_config.5(50.55 KB)
📄 ssherr.c(5.04 KB)
📄 ssherr.h(3.28 KB)
📄 sshkey-xmss.c(28.17 KB)
📄 sshkey-xmss.h(2.89 KB)
📄 sshkey.c(102.94 KB)
📄 sshkey.h(10.09 KB)
📄 sshlogin.c(5.25 KB)
📄 sshlogin.h(935 B)
📄 sshpty.c(5.59 KB)
📄 sshpty.h(1.03 KB)
📄 sshtty.c(2.95 KB)
📄 survey.sh.in(1.68 KB)
📄 ttymodes.c(10.1 KB)
📄 ttymodes.h(4.85 KB)
📄 uidswap.c(7.09 KB)
📄 uidswap.h(680 B)
📄 umac.c(44.91 KB)
📄 umac.h(4.58 KB)
📄 umac128.c(414 B)
📄 utf8.c(8.09 KB)
📄 utf8.h(1.17 KB)
📄 uuencode.c(2.94 KB)
📄 uuencode.h(1.5 KB)
📄 verify.c(668 B)
📄 version.h(385 B)
📄 xmalloc.c(2.41 KB)
📄 xmalloc.h(1.08 KB)
📄 xmss_commons.c(630 B)
📄 xmss_commons.h(450 B)
📄 xmss_fast.c(32.16 KB)
📄 xmss_fast.h(3.64 KB)
📄 xmss_hash.c(3.35 KB)
📄 xmss_hash.h(841 B)
📄 xmss_hash_address.c(1.2 KB)
📄 xmss_hash_address.h(836 B)
📄 xmss_wots.c(4.74 KB)
📄 xmss_wots.h(1.86 KB)

Editing: hmac.c

/* $OpenBSD: hmac.c,v 1.12 2015/03/24 20:03:44 markus Exp $ */
/*
 * Copyright (c) 2014 Markus Friedl.  All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "includes.h"

#include <sys/types.h>
#include <string.h>

#include "sshbuf.h"
#include "digest.h"
#include "hmac.h"

struct ssh_hmac_ctx {
	int			 alg;
	struct ssh_digest_ctx	*ictx;
	struct ssh_digest_ctx	*octx;
	struct ssh_digest_ctx	*digest;
	u_char			*buf;
	size_t			 buf_len;
};

size_t
ssh_hmac_bytes(int alg)
{
	return ssh_digest_bytes(alg);
}

struct ssh_hmac_ctx *
ssh_hmac_start(int alg)
{
	struct ssh_hmac_ctx	*ret;

if ((ret = calloc(1, sizeof(*ret))) == NULL)
		return NULL;
	ret->alg = alg;
	if ((ret->ictx = ssh_digest_start(alg)) == NULL ||
	    (ret->octx = ssh_digest_start(alg)) == NULL ||
	    (ret->digest = ssh_digest_start(alg)) == NULL)
		goto fail;
	ret->buf_len = ssh_digest_blocksize(ret->ictx);
	if ((ret->buf = calloc(1, ret->buf_len)) == NULL)
		goto fail;
	return ret;
fail:
	ssh_hmac_free(ret);
	return NULL;
}

int
ssh_hmac_init(struct ssh_hmac_ctx *ctx, const void *key, size_t klen)
{
	size_t i;

/* reset ictx and octx if no is key given */
	if (key != NULL) {
		/* truncate long keys */
		if (klen <= ctx->buf_len)
			memcpy(ctx->buf, key, klen);
		else if (ssh_digest_memory(ctx->alg, key, klen, ctx->buf,
		    ctx->buf_len) < 0)
			return -1;
		for (i = 0; i < ctx->buf_len; i++)
			ctx->buf[i] ^= 0x36;
		if (ssh_digest_update(ctx->ictx, ctx->buf, ctx->buf_len) < 0)
			return -1;
		for (i = 0; i < ctx->buf_len; i++)
			ctx->buf[i] ^= 0x36 ^ 0x5c;
		if (ssh_digest_update(ctx->octx, ctx->buf, ctx->buf_len) < 0)
			return -1;
		explicit_bzero(ctx->buf, ctx->buf_len);
	}
	/* start with ictx */
	if (ssh_digest_copy_state(ctx->ictx, ctx->digest) < 0)
		return -1;
	return 0;
}

int
ssh_hmac_update(struct ssh_hmac_ctx *ctx, const void *m, size_t mlen)
{
	return ssh_digest_update(ctx->digest, m, mlen);
}

int
ssh_hmac_update_buffer(struct ssh_hmac_ctx *ctx, const struct sshbuf *b)
{
	return ssh_digest_update_buffer(ctx->digest, b);
}

int
ssh_hmac_final(struct ssh_hmac_ctx *ctx, u_char *d, size_t dlen)
{
	size_t len;

len = ssh_digest_bytes(ctx->alg);
	if (dlen < len ||
	    ssh_digest_final(ctx->digest, ctx->buf, len))
		return -1;
	/* switch to octx */
	if (ssh_digest_copy_state(ctx->octx, ctx->digest) < 0 ||
	    ssh_digest_update(ctx->digest, ctx->buf, len) < 0 ||
	    ssh_digest_final(ctx->digest, d, dlen) < 0)
		return -1;
	return 0;
}

void
ssh_hmac_free(struct ssh_hmac_ctx *ctx)
{
	if (ctx != NULL) {
		ssh_digest_free(ctx->ictx);
		ssh_digest_free(ctx->octx);
		ssh_digest_free(ctx->digest);
		if (ctx->buf) {
			explicit_bzero(ctx->buf, ctx->buf_len);
			free(ctx->buf);
		}
		explicit_bzero(ctx, sizeof(*ctx));
		free(ctx);
	}
}

#ifdef TEST

/* cc -DTEST hmac.c digest.c buffer.c cleanup.c fatal.c log.c xmalloc.c -lcrypto */
static void
hmac_test(void *key, size_t klen, void *m, size_t mlen, u_char *e, size_t elen)
{
	struct ssh_hmac_ctx	*ctx;
	size_t			 i;
	u_char			 digest[16];

if ((ctx = ssh_hmac_start(SSH_DIGEST_MD5)) == NULL)
		printf("ssh_hmac_start failed");
	if (ssh_hmac_init(ctx, key, klen) < 0 ||
	    ssh_hmac_update(ctx, m, mlen) < 0 ||
	    ssh_hmac_final(ctx, digest, sizeof(digest)) < 0)
		printf("ssh_hmac_xxx failed");
	ssh_hmac_free(ctx);

if (memcmp(e, digest, elen)) {
		for (i = 0; i < elen; i++)
			printf("[%zu] %2.2x %2.2x\n", i, e[i], digest[i]);
		printf("mismatch\n");
	} else
		printf("ok\n");
}

int
main(int argc, char **argv)
{
	/* try test vectors from RFC 2104 */

u_char key1[16] = {
	    0xb, 0xb, 0xb, 0xb, 0xb, 0xb, 0xb, 0xb,
	    0xb, 0xb, 0xb, 0xb, 0xb, 0xb, 0xb, 0xb };
	u_char *data1 = "Hi There";
	u_char dig1[16] = {
	    0x92, 0x94, 0x72, 0x7a, 0x36, 0x38, 0xbb, 0x1c,
	    0x13, 0xf4, 0x8e, 0xf8, 0x15, 0x8b, 0xfc, 0x9d };

u_char *key2 = "Jefe";
	u_char *data2 = "what do ya want for nothing?";
	u_char dig2[16] = {
	    0x75, 0x0c, 0x78, 0x3e, 0x6a, 0xb0, 0xb5, 0x03,
	    0xea, 0xa8, 0x6e, 0x31, 0x0a, 0x5d, 0xb7, 0x38 };

u_char key3[16];
	u_char data3[50];
	u_char dig3[16] = {
	    0x56, 0xbe, 0x34, 0x52, 0x1d, 0x14, 0x4c, 0x88,
	    0xdb, 0xb8, 0xc7, 0x33, 0xf0, 0xe8, 0xb3, 0xf6 };
	memset(key3, 0xaa, sizeof(key3));
	memset(data3, 0xdd, sizeof(data3));

hmac_test(key1, sizeof(key1), data1, strlen(data1), dig1, sizeof(dig1));
	hmac_test(key2, strlen(key2), data2, strlen(data2), dig2, sizeof(dig2));
	hmac_test(key3, sizeof(key3), data3, sizeof(data3), dig3, sizeof(dig3));

return 0;
}

#endif

003 File Manager

Editing: hmac.c

Upload File

Create Folder