Upgrade libsrtp from 2.0.0 to 2.3.0, with source code. 4.0.79

trunk/3rdparty/libsrtp-2-fit/crypto/test/aes_calc.c

@@ -0,0 +1,157 @@
+/*
+ * aes_calc.c
+ *
+ * A simple AES calculator for generating AES encryption values
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2017, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ *   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.
+ *
+ *   Neither the name of the Cisco Systems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS 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.
+ *
+ */
+
+/*
+
+ Example usage (with first NIST FIPS 197 test case):
+
+ [sh]$ test/aes_calc 000102030405060708090a0b0c0d0e0f \
+       00112233445566778899aabbccddeeff -v
+
+ plaintext:      00112233445566778899aabbccddeeff
+ key:            000102030405060708090a0b0c0d0e0f
+ ciphertext:     69c4e0d86a7b0430d8cdb78070b4c55a
+
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "aes.h"
+#include <stdio.h>
+#include <string.h>
+#include "util.h"
+
+void usage(char *prog_name)
+{
+    printf("usage: %s <key> <plaintext> [-v]\n", prog_name);
+    exit(255);
+}
+
+#define AES_MAX_KEY_LEN 32
+
+int main(int argc, char *argv[])
+{
+    v128_t data;
+    uint8_t key[AES_MAX_KEY_LEN];
+    srtp_aes_expanded_key_t exp_key;
+    int key_len, len;
+    int verbose = 0;
+    srtp_err_status_t status;
+
+    if (argc == 3) {
+        /* we're not in verbose mode */
+        verbose = 0;
+    } else if (argc == 4) {
+        if (strncmp(argv[3], "-v", 2) == 0) {
+            /* we're in verbose mode */
+            verbose = 1;
+        } else {
+            /* unrecognized flag, complain and exit */
+            usage(argv[0]);
+        }
+    } else {
+        /* we've been fed the wrong number of arguments - compain and exit */
+        usage(argv[0]);
+    }
+
+    /* read in key, checking length */
+    if (strlen(argv[1]) > AES_MAX_KEY_LEN * 2) {
+        fprintf(stderr, "error: too many digits in key "
+                        "(should be at most %d hexadecimal digits, found %u)\n",
+                AES_MAX_KEY_LEN * 2, (unsigned)strlen(argv[1]));
+        exit(1);
+    }
+    len = hex_string_to_octet_string((char *)key, argv[1], AES_MAX_KEY_LEN * 2);
+    /* check that hex string is the right length */
+    if (len != 32 && len != 48 && len != 64) {
+        fprintf(stderr, "error: bad number of digits in key "
+                        "(should be 32/48/64 hexadecimal digits, found %d)\n",
+                len);
+        exit(1);
+    }
+    key_len = len / 2;
+
+    /* read in plaintext, checking length */
+    if (strlen(argv[2]) > 16 * 2) {
+        fprintf(stderr, "error: too many digits in plaintext "
+                        "(should be %d hexadecimal digits, found %u)\n",
+                16 * 2, (unsigned)strlen(argv[2]));
+        exit(1);
+    }
+    len = hex_string_to_octet_string((char *)(&data), argv[2], 16 * 2);
+    /* check that hex string is the right length */
+    if (len < 16 * 2) {
+        fprintf(stderr, "error: too few digits in plaintext "
+                        "(should be %d hexadecimal digits, found %d)\n",
+                16 * 2, len);
+        exit(1);
+    }
+
+    if (verbose) {
+        /* print out plaintext */
+        printf("plaintext:\t%s\n",
+               octet_string_hex_string((uint8_t *)&data, 16));
+    }
+
+    /* encrypt plaintext */
+    status = srtp_aes_expand_encryption_key(key, key_len, &exp_key);
+    if (status) {
+        fprintf(stderr, "error: AES key expansion failed.\n");
+        exit(1);
+    }
+
+    srtp_aes_encrypt(&data, &exp_key);
+
+    /* write ciphertext to output */
+    if (verbose) {
+        printf("key:\t\t%s\n", octet_string_hex_string(key, key_len));
+        printf("ciphertext:\t");
+    }
+    printf("%s\n", v128_hex_string(&data));
+
+    return 0;
+}