forked from rpms/openssh
251 lines
8.3 KiB
Diff
251 lines
8.3 KiB
Diff
diff -up openssh-6.2p1/ctr-cavstest.c.ctr-cavs openssh-6.2p1/ctr-cavstest.c
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--- openssh-6.2p1/ctr-cavstest.c.ctr-cavs 2013-03-25 21:35:52.512586671 +0100
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+++ openssh-6.2p1/ctr-cavstest.c 2013-03-25 21:35:52.512586671 +0100
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@@ -0,0 +1,208 @@
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+/*
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+ *
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+ * invocation (all of the following are equal):
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+ * ./ctr-cavstest --algo aes128-ctr --key 987212980144b6a632e864031f52dacc --mode encrypt --data a6deca405eef2e8e4609abf3c3ccf4a6
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+ * ./ctr-cavstest --algo aes128-ctr --key 987212980144b6a632e864031f52dacc --mode encrypt --data a6deca405eef2e8e4609abf3c3ccf4a6 --iv 00000000000000000000000000000000
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+ * echo -n a6deca405eef2e8e4609abf3c3ccf4a6 | ./ctr-cavstest --algo aes128-ctr --key 987212980144b6a632e864031f52dacc --mode encrypt
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+ */
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+
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+#include "includes.h"
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+
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+#include <sys/types.h>
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+#include <sys/param.h>
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+#include <stdarg.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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+#include <ctype.h>
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+
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+#include "xmalloc.h"
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+#include "log.h"
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+#include "cipher.h"
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+
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+/* compatibility with old or broken OpenSSL versions */
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+#include "openbsd-compat/openssl-compat.h"
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+
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+void usage(void) {
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+ fprintf(stderr, "Usage: ctr-cavstest --algo <ssh-crypto-algorithm>\n"
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+ " --key <hexadecimal-key> --mode <encrypt|decrypt>\n"
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+ " [--iv <hexadecimal-iv>] --data <hexadecimal-data>\n\n"
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+ "Hexadecimal output is printed to stdout.\n"
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+ "Hexadecimal input data can be alternatively read from stdin.\n");
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+ exit(1);
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+}
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+
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+void *fromhex(char *hex, size_t *len)
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+{
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+ unsigned char *bin;
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+ char *p;
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+ size_t n = 0;
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+ int shift = 4;
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+ unsigned char out = 0;
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+ unsigned char *optr;
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+
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+ bin = xmalloc(strlen(hex)/2);
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+ optr = bin;
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+
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+ for (p = hex; *p != '\0'; ++p) {
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+ unsigned char c;
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+
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+ c = *p;
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+ if (isspace(c))
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+ continue;
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+
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+ if (c >= '0' && c <= '9') {
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+ c = c - '0';
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+ } else if (c >= 'A' && c <= 'F') {
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+ c = c - 'A' + 10;
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+ } else if (c >= 'a' && c <= 'f') {
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+ c = c - 'a' + 10;
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+ } else {
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+ /* truncate on nonhex cipher */
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+ break;
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+ }
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+
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+ out |= c << shift;
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+ shift = (shift + 4) % 8;
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+
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+ if (shift) {
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+ *(optr++) = out;
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+ out = 0;
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+ ++n;
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+ }
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+ }
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+
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+ *len = n;
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+ return bin;
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+}
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+
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+#define READ_CHUNK 4096
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+#define MAX_READ_SIZE 1024*1024*100
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+char *read_stdin(void)
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+{
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+ char *buf;
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+ size_t n, total = 0;
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+
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+ buf = xmalloc(READ_CHUNK);
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+
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+ do {
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+ n = fread(buf + total, 1, READ_CHUNK, stdin);
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+ if (n < READ_CHUNK) /* terminate on short read */
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+ break;
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+
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+ total += n;
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+ buf = xrealloc(buf, total + READ_CHUNK, 1);
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+ } while(total < MAX_READ_SIZE);
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+ return buf;
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+}
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+
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+int main (int argc, char *argv[])
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+{
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+
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+ Cipher *c;
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+ CipherContext cc;
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+ char *algo = "aes128-ctr";
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+ char *hexkey = NULL;
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+ char *hexiv = "00000000000000000000000000000000";
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+ char *hexdata = NULL;
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+ char *p;
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+ int i;
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+ int encrypt = 1;
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+ void *key;
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+ size_t keylen;
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+ void *iv;
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+ size_t ivlen;
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+ void *data;
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+ size_t datalen;
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+ void *outdata;
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+
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+ for (i = 1; i < argc; ++i) {
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+ if (strcmp(argv[i], "--algo") == 0) {
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+ algo = argv[++i];
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+ } else if (strcmp(argv[i], "--key") == 0) {
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+ hexkey = argv[++i];
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+ } else if (strcmp(argv[i], "--mode") == 0) {
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+ ++i;
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+ if (argv[i] == NULL) {
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+ usage();
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+ }
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+ if (strncmp(argv[i], "enc", 3) == 0) {
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+ encrypt = 1;
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+ } else if (strncmp(argv[i], "dec", 3) == 0) {
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+ encrypt = 0;
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+ } else {
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+ usage();
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+ }
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+ } else if (strcmp(argv[i], "--iv") == 0) {
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+ hexiv = argv[++i];
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+ } else if (strcmp(argv[i], "--data") == 0) {
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+ hexdata = argv[++i];
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+ }
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+ }
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+
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+ if (hexkey == NULL || algo == NULL) {
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+ usage();
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+ }
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+
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+ SSLeay_add_all_algorithms();
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+
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+ c = cipher_by_name(algo);
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+ if (c == NULL) {
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+ fprintf(stderr, "Error: unknown algorithm\n");
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+ return 2;
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+ }
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+
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+ if (hexdata == NULL) {
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+ hexdata = read_stdin();
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+ } else {
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+ hexdata = xstrdup(hexdata);
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+ }
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+
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+ key = fromhex(hexkey, &keylen);
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+
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+ if (keylen != 16 && keylen != 24 && keylen == 32) {
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+ fprintf(stderr, "Error: unsupported key length\n");
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+ return 2;
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+ }
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+
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+ iv = fromhex(hexiv, &ivlen);
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+
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+ if (ivlen != 16) {
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+ fprintf(stderr, "Error: unsupported iv length\n");
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+ return 2;
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+ }
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+
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+ data = fromhex(hexdata, &datalen);
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+
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+ if (data == NULL || datalen == 0) {
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+ fprintf(stderr, "Error: no data to encrypt/decrypt\n");
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+ return 2;
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+ }
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+
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+ cipher_init(&cc, c, key, keylen, iv, ivlen, encrypt);
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+
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+ xfree(key);
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+ xfree(iv);
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+
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+ outdata = malloc(datalen);
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+ if(outdata == NULL) {
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+ fprintf(stderr, "Error: memory allocation failure\n");
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+ return 2;
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+ }
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+
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+ cipher_crypt(&cc, outdata, data, datalen, 0, 0);
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+
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+ xfree(data);
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+
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+ cipher_cleanup(&cc);
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+
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+ for (p = outdata; datalen > 0; ++p, --datalen) {
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+ printf("%02X", (unsigned char)*p);
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+ }
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+
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+ xfree(outdata);
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+
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+ printf("\n");
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+ return 0;
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+}
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+
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diff -up openssh-6.2p1/Makefile.in.ctr-cavs openssh-6.2p1/Makefile.in
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--- openssh-6.2p1/Makefile.in.ctr-cavs 2013-03-25 21:35:52.451586280 +0100
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+++ openssh-6.2p1/Makefile.in 2013-03-25 21:37:14.956114584 +0100
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@@ -28,6 +28,7 @@ SSH_KEYSIGN=$(libexecdir)/ssh-keysign
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SSH_LDAP_HELPER=$(libexecdir)/ssh-ldap-helper
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SSH_LDAP_WRAPPER=$(libexecdir)/ssh-ldap-wrapper
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SSH_KEYCAT=$(libexecdir)/ssh-keycat
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+CTR_CAVSTEST=$(libexecdir)/ctr-cavstest
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SSH_PKCS11_HELPER=$(libexecdir)/ssh-pkcs11-helper
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PRIVSEP_PATH=@PRIVSEP_PATH@
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SSH_PRIVSEP_USER=@SSH_PRIVSEP_USER@
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@@ -65,7 +66,7 @@ EXEEXT=@EXEEXT@
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MANFMT=@MANFMT@
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INSTALL_SSH_LDAP_HELPER=@INSTALL_SSH_LDAP_HELPER@
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-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$(EXEEXT) ssh-ldap-helper$(EXEEXT) ssh-keycat$(EXEEXT)
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+TARGETS=ssh$(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-ldap-helper$(EXEEXT) ssh-keycat$(EXEEXT) ctr-cavstest$(EXEEXT)
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LIBSSH_OBJS=authfd.o authfile.o bufaux.o bufbn.o buffer.o \
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canohost.o channels.o cipher.o cipher-aes.o \
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@@ -174,6 +175,9 @@ ssh-ldap-helper$(EXEEXT): $(LIBCOMPAT) l
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ssh-keycat$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keycat.o
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$(LD) -o $@ ssh-keycat.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lfipscheck $(SSHDLIBS)
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+ctr-cavstest$(EXEEXT): $(LIBCOMPAT) libssh.a ctr-cavstest.o
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+ $(LD) -o $@ ctr-cavstest.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lfipscheck $(LIBS)
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+
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ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keyscan.o roaming_dummy.o
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$(LD) -o $@ ssh-keyscan.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lfipscheck $(LIBS)
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@@ -281,6 +285,7 @@ install-files:
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$(INSTALL) -m 0700 ssh-ldap-wrapper $(DESTDIR)$(SSH_LDAP_WRAPPER) ; \
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fi
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$(INSTALL) -m 0755 $(STRIP_OPT) ssh-keycat$(EXEEXT) $(DESTDIR)$(libexecdir)/ssh-keycat$(EXEEXT)
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+ $(INSTALL) -m 0755 $(STRIP_OPT) ctr-cavstest$(EXEEXT) $(DESTDIR)$(libexecdir)/ctr-cavstest$(EXEEXT)
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$(INSTALL) -m 0755 $(STRIP_OPT) sftp$(EXEEXT) $(DESTDIR)$(bindir)/sftp$(EXEEXT)
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$(INSTALL) -m 0755 $(STRIP_OPT) sftp-server$(EXEEXT) $(DESTDIR)$(SFTP_SERVER)$(EXEEXT)
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$(INSTALL) -m 644 ssh.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1
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