--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/tests/katja_test.c	Fri Feb 09 21:44:05 2018 +0800
@@ -0,0 +1,242 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ */
+#include <tomcrypt_test.h>
+
+#if defined(LTC_MKAT) && defined(LTC_TEST_MPI)
+
+int katja_test(void)
+{
+   unsigned char in[1024], out[1024], tmp[1024];
+   katja_key     key, privKey, pubKey;
+   int           hash_idx, prng_idx, stat, stat2, size;
+   unsigned long kat_msgsize, len, len2, cnt;
+   static unsigned char lparam[] = { 0x01, 0x02, 0x03, 0x04 };
+
+   hash_idx = find_hash("sha1");
+   prng_idx = find_prng("yarrow");
+   if (hash_idx == -1 || prng_idx == -1) {
+      fprintf(stderr, "katja_test requires LTC_SHA1 and yarrow");
+      return 1;
+   }
+
+for (size = 1024; size <= 2048; size += 256) {
+
+   /* make 10 random key */
+   for (cnt = 0; cnt < 10; cnt++) {
+      DO(katja_make_key(&yarrow_prng, prng_idx, size/8, &key));
+      if (mp_count_bits(key.N) < size - 7) {
+         fprintf(stderr, "katja_%d key modulus has %d bits\n", size, mp_count_bits(key.N));
+
+len = mp_unsigned_bin_size(key.N);
+mp_to_unsigned_bin(key.N, tmp);
+ fprintf(stderr, "N == \n");
+for (cnt = 0; cnt < len; ) {
+   fprintf(stderr, "%02x ", tmp[cnt]);
+   if (!(++cnt & 15)) fprintf(stderr, "\n");
+}
+
+len = mp_unsigned_bin_size(key.p);
+mp_to_unsigned_bin(key.p, tmp);
+ fprintf(stderr, "p == \n");
+for (cnt = 0; cnt < len; ) {
+   fprintf(stderr, "%02x ", tmp[cnt]);
+   if (!(++cnt & 15)) fprintf(stderr, "\n");
+}
+
+len = mp_unsigned_bin_size(key.q);
+mp_to_unsigned_bin(key.q, tmp);
+ fprintf(stderr, "\nq == \n");
+for (cnt = 0; cnt < len; ) {
+   fprintf(stderr, "%02x ", tmp[cnt]);
+   if (!(++cnt & 15)) fprintf(stderr, "\n");
+}
+ fprintf(stderr, "\n");
+
+
+         return 1;
+      }
+      if (cnt != 9) {
+         katja_free(&key);
+      }
+   }
+   /* encrypt the key (without lparam) */
+   for (cnt = 0; cnt < 4; cnt++) {
+   for (kat_msgsize = 1; kat_msgsize <= 42; kat_msgsize++) {
+      /* make a random key/msg */
+      yarrow_read(in, kat_msgsize, &yarrow_prng);
+
+      len  = sizeof(out);
+      len2 = kat_msgsize;
+
+      DO(katja_encrypt_key(in, kat_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, hash_idx, &key));
+      /* change a byte */
+      out[8] ^= 1;
+      DO(katja_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat2, &key));
+      /* change a byte back */
+      out[8] ^= 1;
+      if (len2 != kat_msgsize) {
+         fprintf(stderr, "\nkatja_decrypt_key mismatch len %lu (first decrypt)", len2);
+         return 1;
+      }
+
+      len2 = kat_msgsize;
+      DO(katja_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat, &key));
+      if (!(stat == 1 && stat2 == 0)) {
+         fprintf(stderr, "katja_decrypt_key failed");
+         return 1;
+      }
+      if (len2 != kat_msgsize || memcmp(tmp, in, kat_msgsize)) {
+         unsigned long x;
+         fprintf(stderr, "\nkatja_decrypt_key mismatch, len %lu (second decrypt)\n", len2);
+         fprintf(stderr, "Original contents: \n");
+         for (x = 0; x < kat_msgsize; ) {
+             fprintf(stderr, "%02x ", in[x]);
+             if (!(++x % 16)) {
+                fprintf(stderr, "\n");
+             }
+         }
+         fprintf(stderr, "\n");
+         fprintf(stderr, "Output contents: \n");
+         for (x = 0; x < kat_msgsize; ) {
+             fprintf(stderr, "%02x ", out[x]);
+             if (!(++x % 16)) {
+                fprintf(stderr, "\n");
+             }
+         }
+         fprintf(stderr, "\n");
+         return 1;
+      }
+   }
+   }
+
+   /* encrypt the key (with lparam) */
+   for (kat_msgsize = 1; kat_msgsize <= 42; kat_msgsize++) {
+      len  = sizeof(out);
+      len2 = kat_msgsize;
+      DO(katja_encrypt_key(in, kat_msgsize, out, &len, lparam, sizeof(lparam), &yarrow_prng, prng_idx, hash_idx, &key));
+      /* change a byte */
+      out[8] ^= 1;
+      DO(katja_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat2, &key));
+      if (len2 != kat_msgsize) {
+         fprintf(stderr, "\nkatja_decrypt_key mismatch len %lu (first decrypt)", len2);
+         return 1;
+      }
+      /* change a byte back */
+      out[8] ^= 1;
+
+      len2 = kat_msgsize;
+      DO(katja_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat, &key));
+      if (!(stat == 1 && stat2 == 0)) {
+         fprintf(stderr, "katja_decrypt_key failed");
+         return 1;
+      }
+      if (len2 != kat_msgsize || memcmp(tmp, in, kat_msgsize)) {
+         fprintf(stderr, "katja_decrypt_key mismatch len %lu", len2);
+         return 1;
+      }
+   }
+
+#if 0
+
+   /* sign a message (unsalted, lower cholestorol and Atkins approved) now */
+   len = sizeof(out);
+   DO(katja_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 0, &key));
+
+/* export key and import as both private and public */
+   len2 = sizeof(tmp);
+   DO(katja_export(tmp, &len2, PK_PRIVATE, &key));
+   DO(katja_import(tmp, len2, &privKey));
+   len2 = sizeof(tmp);
+   DO(katja_export(tmp, &len2, PK_PUBLIC, &key));
+   DO(katja_import(tmp, len2, &pubKey));
+
+   /* verify with original */
+   DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &key));
+   /* change a byte */
+   in[0] ^= 1;
+   DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &key));
+
+   if (!(stat == 1 && stat2 == 0)) {
+      fprintf(stderr, "katja_verify_hash (unsalted, origKey) failed, %d, %d", stat, stat2);
+      katja_free(&key);
+      katja_free(&pubKey);
+      katja_free(&privKey);
+      return 1;
+   }
+
+   /* verify with privKey */
+   /* change a byte */
+   in[0] ^= 1;
+   DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &privKey));
+   /* change a byte */
+   in[0] ^= 1;
+   DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &privKey));
+
+   if (!(stat == 1 && stat2 == 0)) {
+      fprintf(stderr, "katja_verify_hash (unsalted, privKey) failed, %d, %d", stat, stat2);
+      katja_free(&key);
+      katja_free(&pubKey);
+      katja_free(&privKey);
+      return 1;
+   }
+
+   /* verify with pubKey */
+   /* change a byte */
+   in[0] ^= 1;
+   DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &pubKey));
+   /* change a byte */
+   in[0] ^= 1;
+   DO(katja_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &pubKey));
+
+   if (!(stat == 1 && stat2 == 0)) {
+      fprintf(stderr, "katja_verify_hash (unsalted, pubkey) failed, %d, %d", stat, stat2);
+      katja_free(&key);
+      katja_free(&pubKey);
+      katja_free(&privKey);
+      return 1;
+   }
+
+   /* sign a message (salted) now (use privKey to make, pubKey to verify) */
+   len = sizeof(out);
+   DO(katja_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 8, &privKey));
+   DO(katja_verify_hash(out, len, in, 20, hash_idx, 8, &stat, &pubKey));
+   /* change a byte */
+   in[0] ^= 1;
+   DO(katja_verify_hash(out, len, in, 20, hash_idx, 8, &stat2, &pubKey));
+
+   if (!(stat == 1 && stat2 == 0)) {
+      fprintf(stderr, "katja_verify_hash (salted) failed, %d, %d", stat, stat2);
+      katja_free(&key);
+      katja_free(&pubKey);
+      katja_free(&privKey);
+      return 1;
+   }
+#endif
+
+   katja_free(&key);
+   katja_free(&pubKey);
+   katja_free(&privKey);
+}
+
+   /* free the key and return */
+   return 0;
+}
+
+#else
+
+int katja_test(void)
+{
+   return CRYPT_NOP;
+}
+
+#endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */