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openssh/openssh-7.7p1-cavstest-ctr.patch
Hans Petter Jansson 6543c1a02b Accepting request 863944 from home:dirkmueller:branches:network 
- update to 8.4p1:
  Security
  ========
 * ssh-agent(1): restrict ssh-agent from signing web challenges for
   FIDO/U2F keys.
 * ssh-keygen(1): Enable FIDO 2.1 credProtect extension when generating
   a FIDO resident key.
 * ssh(1), ssh-keygen(1): support for FIDO keys that require a PIN for
   each use. These keys may be generated using ssh-keygen using a new
   "verify-required" option. When a PIN-required key is used, the user
   will be prompted for a PIN to complete the signature operation.
  New Features
  ------------
 * sshd(8): authorized_keys now supports a new "verify-required"
   option to require FIDO signatures assert that the token verified
   that the user was present before making the signature. The FIDO
   protocol supports multiple methods for user-verification, but
   currently OpenSSH only supports PIN verification.
 * sshd(8), ssh-keygen(1): add support for verifying FIDO webauthn
   signatures. Webauthn is a standard for using FIDO keys in web
   browsers. These signatures are a slightly different format to plain
   FIDO signatures and thus require explicit support.
 * ssh(1): allow some keywords to expand shell-style ${ENV}
   environment variables. The supported keywords are CertificateFile,
   ControlPath, IdentityAgent and IdentityFile, plus LocalForward and
   RemoteForward when used for Unix domain socket paths. bz#3140
 * ssh(1), ssh-agent(1): allow some additional control over the use of
   ssh-askpass via a new $SSH_ASKPASS_REQUIRE environment variable,
   including forcibly enabling and disabling its use. bz#69
 * ssh(1): allow ssh_config(5)'s AddKeysToAgent keyword accept a time

OBS-URL: https://build.opensuse.org/request/show/863944
OBS-URL: https://build.opensuse.org/package/show/network/openssh?expand=0&rev=222
2021-01-18 01:12:55 +00:00

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# HG changeset patch
# Parent cc1022edba2c5eeb0facba08468f65afc2466b63
CAVS test for OpenSSH's own CTR encryption mode implementation
Index: openssh-8.4p1/Makefile.in
===================================================================
--- openssh-8.4p1.orig/Makefile.in
+++ openssh-8.4p1/Makefile.in
@@ -25,6 +25,7 @@ SFTP_SERVER=$(libexecdir)/sftp-server
SSH_KEYSIGN=$(libexecdir)/ssh-keysign
SSH_PKCS11_HELPER=$(libexecdir)/ssh-pkcs11-helper
SSH_SK_HELPER=$(libexecdir)/ssh-sk-helper
+CAVSTEST_CTR=$(libexecdir)/cavstest-ctr
PRIVSEP_PATH=@PRIVSEP_PATH@
SSH_PRIVSEP_USER=@SSH_PRIVSEP_USER@
STRIP_OPT=@STRIP_OPT@
@@ -68,6 +69,8 @@ MKDIR_P=@MKDIR_P@
TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-pkcs11-helper$(EXEEXT) ssh-agent$(EXEEXT) scp$(EXEEXT) sftp-server$(EXEEXT) sftp$(EXEEXT) ssh-sk-helper$(EXEEXT)
+TARGETS += cavstest-ctr$(EXEEXT)
+
XMSS_OBJS=\
ssh-xmss.o \
sshkey-xmss.o \
@@ -242,6 +245,10 @@ sftp-server$(EXEEXT): $(LIBCOMPAT) libss
sftp$(EXEEXT): $(LIBCOMPAT) libssh.a $(SFTP_OBJS)
$(LD) -o $@ $(SFTP_OBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) $(LIBEDIT)
+# FIPS tests
+cavstest-ctr$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-sk.o sk-usbhid.o cavstest-ctr.o
+ $(LD) -o $@ cavstest-ctr.o ssh-sk.o sk-usbhid.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS) $(LIBFIDO2)
+
# test driver for the loginrec code - not built by default
logintest: logintest.o $(LIBCOMPAT) libssh.a loginrec.o
$(LD) -o $@ logintest.o $(LDFLAGS) loginrec.o -lopenbsd-compat -lssh $(LIBS)
@@ -400,6 +407,7 @@ install-files:
$(INSTALL) -m 0755 $(STRIP_OPT) ssh-sk-helper$(EXEEXT) $(DESTDIR)$(SSH_SK_HELPER)$(EXEEXT)
$(INSTALL) -m 0755 $(STRIP_OPT) sftp$(EXEEXT) $(DESTDIR)$(bindir)/sftp$(EXEEXT)
$(INSTALL) -m 0755 $(STRIP_OPT) sftp-server$(EXEEXT) $(DESTDIR)$(SFTP_SERVER)$(EXEEXT)
+ $(INSTALL) -m 0755 $(STRIP_OPT) cavstest-ctr$(EXEEXT) $(DESTDIR)$(libexecdir)/cavstest-ctr$(EXEEXT)
$(INSTALL) -m 644 ssh.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1
$(INSTALL) -m 644 scp.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/scp.1
$(INSTALL) -m 644 ssh-add.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/ssh-add.1
Index: openssh-8.4p1/cavstest-ctr.c
===================================================================
--- /dev/null
+++ openssh-8.4p1/cavstest-ctr.c
@@ -0,0 +1,214 @@
+/*
+ *
+ * invocation (all of the following are equal):
+ * ./ctr-cavstest --algo aes128-ctr --key 987212980144b6a632e864031f52dacc --mode encrypt --data a6deca405eef2e8e4609abf3c3ccf4a6
+ * ./ctr-cavstest --algo aes128-ctr --key 987212980144b6a632e864031f52dacc --mode encrypt --data a6deca405eef2e8e4609abf3c3ccf4a6 --iv 00000000000000000000000000000000
+ * echo -n a6deca405eef2e8e4609abf3c3ccf4a6 | ./ctr-cavstest --algo aes128-ctr --key 987212980144b6a632e864031f52dacc --mode encrypt
+ */
+
+#include "includes.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "xmalloc.h"
+#include "log.h"
+#include "cipher.h"
+
+/* compatibility with old or broken OpenSSL versions */
+#include "openbsd-compat/openssl-compat.h"
+
+void
+usage(void)
+{
+ fprintf(stderr, "Usage: ctr-cavstest --algo <ssh-crypto-algorithm>\n"
+ " --key <hexadecimal-key> --mode <encrypt|decrypt>\n"
+ " [--iv <hexadecimal-iv>] --data <hexadecimal-data>\n\n"
+ "Hexadecimal output is printed to stdout.\n"
+ "Hexadecimal input data can be alternatively read from stdin.\n");
+ exit(1);
+}
+
+void *
+fromhex(char *hex, size_t * len)
+{
+ unsigned char *bin;
+ char *p;
+ size_t n = 0;
+ int shift = 4;
+ unsigned char out = 0;
+ unsigned char *optr;
+
+ bin = xmalloc(strlen(hex) / 2);
+ optr = bin;
+
+ for (p = hex; *p != '\0'; ++p) {
+ unsigned char c;
+
+ c = *p;
+ if (isspace(c))
+ continue;
+
+ if (c >= '0' && c <= '9') {
+ c = c - '0';
+ } else if (c >= 'A' && c <= 'F') {
+ c = c - 'A' + 10;
+ } else if (c >= 'a' && c <= 'f') {
+ c = c - 'a' + 10;
+ } else {
+ /* truncate on nonhex cipher */
+ break;
+ }
+
+ out |= c << shift;
+ shift = (shift + 4) % 8;
+
+ if (shift) {
+ *(optr++) = out;
+ out = 0;
+ ++n;
+ }
+ }
+
+ *len = n;
+ return bin;
+}
+
+#define READ_CHUNK 4096
+#define MAX_READ_SIZE 1024*1024*100
+char *
+read_stdin(void)
+{
+ char *buf;
+ size_t n, total = 0;
+
+ buf = xmalloc(READ_CHUNK);
+
+ do {
+ n = fread(buf + total, 1, READ_CHUNK, stdin);
+ if (n < READ_CHUNK) /* terminate on short read */
+ break;
+
+ total += n;
+ buf = xreallocarray(buf, total + READ_CHUNK, 1);
+ } while (total < MAX_READ_SIZE);
+ return buf;
+}
+
+int
+main(int argc, char *argv[])
+{
+
+ struct sshcipher *c;
+ struct sshcipher_ctx cc;
+ struct sshcipher_ctx *ccp;
+ char *algo = "aes128-ctr";
+ char *hexkey = NULL;
+ char *hexiv = "00000000000000000000000000000000";
+ char *hexdata = NULL;
+ char *p;
+ int i;
+ int encrypt = 1;
+ void *key;
+ size_t keylen;
+ void *iv;
+ size_t ivlen;
+ void *data;
+ size_t datalen;
+ void *outdata;
+
+ for (i = 1; i < argc; ++i) {
+ if (strcmp(argv[i], "--algo") == 0) {
+ algo = argv[++i];
+ } else if (strcmp(argv[i], "--key") == 0) {
+ hexkey = argv[++i];
+ } else if (strcmp(argv[i], "--mode") == 0) {
+ ++i;
+ if (argv[i] == NULL) {
+ usage();
+ }
+ if (strncmp(argv[i], "enc", 3) == 0) {
+ encrypt = 1;
+ } else if (strncmp(argv[i], "dec", 3) == 0) {
+ encrypt = 0;
+ } else {
+ usage();
+ }
+ } else if (strcmp(argv[i], "--iv") == 0) {
+ hexiv = argv[++i];
+ } else if (strcmp(argv[i], "--data") == 0) {
+ hexdata = argv[++i];
+ }
+ }
+
+ if (hexkey == NULL || algo == NULL) {
+ usage();
+ }
+
+ OpenSSL_add_all_algorithms();
+
+ c = cipher_by_name(algo);
+ if (c == NULL) {
+ fprintf(stderr, "Error: unknown algorithm\n");
+ return 2;
+ }
+
+ if (hexdata == NULL) {
+ hexdata = read_stdin();
+ } else {
+ hexdata = xstrdup(hexdata);
+ }
+
+ key = fromhex(hexkey, &keylen);
+
+ if (keylen != 16 && keylen != 24 && keylen == 32) {
+ fprintf(stderr, "Error: unsupported key length\n");
+ return 2;
+ }
+
+ iv = fromhex(hexiv, &ivlen);
+
+ if (ivlen != 16) {
+ fprintf(stderr, "Error: unsupported iv length\n");
+ return 2;
+ }
+
+ data = fromhex(hexdata, &datalen);
+
+ if (data == NULL || datalen == 0) {
+ fprintf(stderr, "Error: no data to encrypt/decrypt\n");
+ return 2;
+ }
+
+ ccp = &cc;
+ cipher_init(&ccp, c, key, keylen, iv, ivlen, encrypt);
+
+ free(key);
+ free(iv);
+
+ outdata = malloc(datalen);
+ if (outdata == NULL) {
+ fprintf(stderr, "Error: memory allocation failure\n");
+ return 2;
+ }
+
+ cipher_crypt(&cc, 0, outdata, data, datalen, 0, 0);
+
+ free(data);
+
+ cipher_free(&cc);
+
+ for (p = outdata; datalen > 0; ++p, --datalen) {
+ printf("%02X", (unsigned char) *p);
+ }
+
+ free(outdata);
+
+ printf("\n");
+ return 0;
+}
Index: openssh-8.4p1/cipher.c
===================================================================
--- openssh-8.4p1.orig/cipher.c
+++ openssh-8.4p1/cipher.c
@@ -58,15 +58,6 @@
#define EVP_CIPHER_CTX void
#endif
-struct sshcipher_ctx {
- int plaintext;
- int encrypt;
- EVP_CIPHER_CTX *evp;
- struct chachapoly_ctx *cp_ctx;
- struct aesctr_ctx ac_ctx; /* XXX union with evp? */
- const struct sshcipher *cipher;
-};
-
struct sshcipher {
char *name;
u_int block_size;
Index: openssh-8.4p1/cipher.h
===================================================================
--- openssh-8.4p1.orig/cipher.h
+++ openssh-8.4p1/cipher.h
@@ -48,7 +48,15 @@
#define CIPHER_DECRYPT 0
struct sshcipher;
-struct sshcipher_ctx;
+struct sshcipher_ctx {
+ int plaintext;
+ int encrypt;
+ EVP_CIPHER_CTX *evp;
+ struct chachapoly_ctx *cp_ctx; /* XXX union with evp? */
+ struct aesctr_ctx ac_ctx; /* XXX union with evp? */
+ const struct sshcipher *cipher;
+};
+
const struct sshcipher *cipher_by_name(const char *);
const char *cipher_warning_message(const struct sshcipher_ctx *);
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