1 files changed, 82 insertions, 0 deletions
diff --git a/libtomcrypt/testprof/dsa_test.c b/libtomcrypt/testprof/dsa_test.c
new file mode 100644
index 0000000..f623092
--- /dev/null
+++ b/libtomcrypt/testprof/dsa_test.c
@@ -0,0 +1,82 @@
+#include <tomcrypt_test.h>
+
+#ifdef MDSA
+
+int dsa_test(void)
+{
+   unsigned char msg[16], out[1024], out2[1024];
+   unsigned long x, y;
+   int stat1, stat2;
+   dsa_key key, key2;
+
+   /* make a random key */
+   DO(dsa_make_key(&yarrow_prng, find_prng("yarrow"), 20, 128, &key));
+
+   /* verify it */
+   DO(dsa_verify_key(&key, &stat1));
+   if (stat1 == 0) { fprintf(stderr, "dsa_verify_key "); return 1; }
+   
+   /* encrypt a message */
+   for (x = 0; x < 16; x++) { msg[x] = x; }
+   x = sizeof(out);
+   DO(dsa_encrypt_key(msg, 16, out, &x, &yarrow_prng, find_prng("yarrow"), find_hash("sha1"), &key));
+   
+   /* decrypt */
+   y = sizeof(out2);
+   DO(dsa_decrypt_key(out, x, out2, &y, &key));
+   
+   if (y != 16 || memcmp(out2, msg, 16)) {
+      fprintf(stderr, "dsa_decrypt failed, y == %lu\n", y);
+      return 1;
+   }
+
+   /* sign the message */
+   x = sizeof(out);
+   DO(dsa_sign_hash(msg, sizeof(msg), out, &x, &yarrow_prng, find_prng("yarrow"), &key));
+
+   /* verify it once */
+   DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key));
+
+   /* Modify and verify again */
+   msg[0] ^= 1;
+   DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat2, &key));
+   msg[0] ^= 1;
+   if (!(stat1 == 1 && stat2 == 0)) { fprintf(stderr, "dsa_verify %d %d", stat1, stat2); return 1; }
+
+   /* test exporting it */
+   x = sizeof(out2);
+   DO(dsa_export(out2, &x, PK_PRIVATE, &key));
+   DO(dsa_import(out2, x, &key2));
+
+   /* verify a signature with it */
+   DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key2));
+   if (stat1 == 0) { fprintf(stderr, "dsa_verify (import private) %d ", stat1); return 1; }
+   dsa_free(&key2);
+
+   /* export as public now */
+   x = sizeof(out2);
+   DO(dsa_export(out2, &x, PK_PUBLIC, &key));
+
+   DO(dsa_import(out2, x, &key2));
+   /* verify a signature with it */
+   DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key2));
+   if (stat1 == 0) { fprintf(stderr, "dsa_verify (import public) %d ", stat1); return 1; }
+   dsa_free(&key2);
+   dsa_free(&key);
+
+   return 0;
+}
+
+#else
+
+int dsa_test(void)
+{
+  fprintf(stderr, "NOP");
+  return 0;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/testprof/dsa_test.c,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2005/10/30 18:49:14 $ */