diff demos/test/rsa_test.c @ 143:5d99163f7e32 libtomcrypt-orig

import of libtomcrypt 0.99
author Matt Johnston <matt@ucc.asn.au>
date Sun, 19 Dec 2004 11:34:45 +0000
parents 6362d3854bb4
children
line wrap: on
line diff
--- a/demos/test/rsa_test.c	Tue Jun 15 14:07:21 2004 +0000
+++ b/demos/test/rsa_test.c	Sun Dec 19 11:34:45 2004 +0000
@@ -1,11 +1,15 @@
 #include "test.h"
 
+#ifdef MRSA 
+
+#define RSA_MSGSIZE 78
+
 int rsa_test(void)
 {
    unsigned char in[1024], out[1024], tmp[1024];
-   rsa_key       key;
+   rsa_key       key, privKey, pubKey;
    int           hash_idx, prng_idx, stat, stat2;
-   unsigned long len, len2;
+   unsigned long rsa_msgsize, len, len2;
    static unsigned char lparam[] = { 0x01, 0x02, 0x03, 0x04 };
       
    hash_idx = find_hash("sha1");
@@ -15,77 +19,200 @@
       return 1;
    }
    
-   /* make a random key/msg */
-   yarrow_read(in, 20, &test_yarrow);
-   
    /* make a random key */
    DO(rsa_make_key(&test_yarrow, prng_idx, 1024/8, 65537, &key));
    
-   /* encrypt the key (without lparam) */
-   len  = sizeof(out);
-   len2 = sizeof(tmp);
-   DO(rsa_encrypt_key(in, 20, out, &len, NULL, 0, &test_yarrow, prng_idx, hash_idx, &key));
-   /* change a byte */
-   out[0] ^= 1;
-   DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, &test_yarrow, prng_idx, hash_idx, &stat2, &key));
-   /* change a byte back */
-   out[0] ^= 1;
-   DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, &test_yarrow, prng_idx, hash_idx, &stat, &key));
-   if (!(stat == 1 && stat2 == 0)) {
-      printf("rsa_decrypt_key failed");
+   /* test PKCS #1 v1.5 */
+   for (rsa_msgsize = 1; rsa_msgsize <= 117; rsa_msgsize++) {
+      /* make a random key/msg */
+      yarrow_read(in, rsa_msgsize, &test_yarrow);
+
+      len  = sizeof(out);
+      len2 = rsa_msgsize;
+
+      /* encrypt */
+      DO(rsa_v15_encrypt_key(in, rsa_msgsize, out, &len, &test_yarrow, prng_idx, &key));
+      DO(rsa_v15_decrypt_key(out, len, tmp, rsa_msgsize, &test_yarrow, prng_idx, &stat, &key));
+      if (stat != 1 || memcmp(tmp, in, rsa_msgsize)) {
+         printf("PKCS #1 v1.5 encrypt/decrypt failure (rsa_msgsize: %lu, stat: %d)\n", rsa_msgsize, stat);
+	 return 1;
+      }
+   }
+   
+   /* signature */
+   len = sizeof(out);
+   DO(rsa_v15_sign_hash(in, 20, out, &len, &test_yarrow, prng_idx, hash_idx, &key));
+   in[1] ^= 1;
+   DO(rsa_v15_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, &stat, &key));
+   in[1] ^= 1;
+   DO(rsa_v15_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, &stat2, &key));
+   if (!(stat == 0 && stat2 == 1)) {
+      printf("PKCS #1 v1.5 sign/verify failure (stat %d, stat2 %d)\n", stat, stat2);
       return 1;
    }
-   if (len2 != 20 || memcmp(tmp, in, 20)) {
-      printf("rsa_decrypt_key mismatch len %lu", len2);
-      return 1;
+   
+   /* encrypt the key (without lparam) */
+   for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) {
+      /* make a random key/msg */
+      yarrow_read(in, rsa_msgsize, &test_yarrow);
+
+      len  = sizeof(out);
+      len2 = rsa_msgsize;
+   
+      DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, NULL, 0, &test_yarrow, prng_idx, hash_idx, &key));
+      /* change a byte */
+      out[8] ^= 1;
+      DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, &test_yarrow, prng_idx, hash_idx, &stat2, &key));
+      /* change a byte back */
+      out[8] ^= 1;
+      if (len2 != rsa_msgsize) {
+         printf("\nrsa_decrypt_key mismatch len %lu (first decrypt)", len2);
+         return 1;
+      }
+
+      len2 = rsa_msgsize;
+      DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, &test_yarrow, prng_idx, hash_idx, &stat, &key));
+      if (!(stat == 1 && stat2 == 0)) {
+         printf("rsa_decrypt_key failed");
+         return 1;
+      }
+      if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
+         unsigned long x;
+         printf("\nrsa_decrypt_key mismatch, len %lu (second decrypt)\n", len2);
+         printf("Original contents: \n"); 
+         for (x = 0; x < rsa_msgsize; ) {
+             printf("%02x ", in[x]);
+             if (!(++x % 16)) {
+                printf("\n");
+             }
+         }
+         printf("\n");
+         printf("Output contents: \n"); 
+         for (x = 0; x < rsa_msgsize; ) {
+             printf("%02x ", out[x]);
+             if (!(++x % 16)) {
+                printf("\n");
+             }
+         }     
+         printf("\n");
+         return 1;
+      }
    }
 
    /* encrypt the key (with lparam) */
-   len  = sizeof(out);
-   len2 = sizeof(tmp);
-   DO(rsa_encrypt_key(in, 20, out, &len, lparam, sizeof(lparam), &test_yarrow, prng_idx, hash_idx, &key));
-   /* change a byte */
-   out[0] ^= 1;
-   DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), &test_yarrow, prng_idx, hash_idx, &stat2, &key));
-   /* change a byte back */
-   out[0] ^= 1;
-   DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), &test_yarrow, prng_idx, hash_idx, &stat, &key));
-   if (!(stat == 1 && stat2 == 0)) {
-      printf("rsa_decrypt_key failed");
-      return 1;
-   }
-   if (len2 != 20 || memcmp(tmp, in, 20)) {
-      printf("rsa_decrypt_key mismatch len %lu", len2);
-      return 1;
+   for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) {
+      len  = sizeof(out);
+      len2 = rsa_msgsize;
+      DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, lparam, sizeof(lparam), &test_yarrow, prng_idx, hash_idx, &key));
+      /* change a byte */
+      out[8] ^= 1;
+      DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), &test_yarrow, prng_idx, hash_idx, &stat2, &key));
+      if (len2 != rsa_msgsize) {
+         printf("\nrsa_decrypt_key mismatch len %lu (first decrypt)", len2);
+         return 1;
+      }
+      /* change a byte back */
+      out[8] ^= 1;
+
+      len2 = rsa_msgsize;
+      DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), &test_yarrow, prng_idx, hash_idx, &stat, &key));
+      if (!(stat == 1 && stat2 == 0)) {
+         printf("rsa_decrypt_key failed");
+         return 1;
+      }
+      if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
+         printf("rsa_decrypt_key mismatch len %lu", len2);
+         return 1;
+      }
    }
 
    /* sign a message (unsalted, lower cholestorol and Atkins approved) now */
    len = sizeof(out);
    DO(rsa_sign_hash(in, 20, out, &len, &test_yarrow, prng_idx, hash_idx, 0, &key));
+
+/* export key and import as both private and public */
+   len2 = sizeof(tmp);
+   DO(rsa_export(tmp, &len2, PK_PRIVATE, &key)); 
+   DO(rsa_import(tmp, len2, &privKey)); 
+   len2 = sizeof(tmp);
+   DO(rsa_export(tmp, &len2, PK_PUBLIC, &key));
+   DO(rsa_import(tmp, len2, &pubKey));
+
+   /* verify with original */
    DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 0, &stat, &key));
    /* change a byte */
    in[0] ^= 1;
    DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 0, &stat2, &key));
    
    if (!(stat == 1 && stat2 == 0)) {
-      printf("rsa_verify_hash (unsalted) failed, %d, %d", stat, stat2);
+      printf("rsa_verify_hash (unsalted, origKey) failed, %d, %d", stat, stat2);
+      rsa_free(&key);
+      rsa_free(&pubKey);
+      rsa_free(&privKey);
+      return 1;
+   }
+
+   /* verify with privKey */
+   /* change a byte */
+   in[0] ^= 1;
+   DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 0, &stat, &privKey));
+   /* change a byte */
+   in[0] ^= 1;
+   DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 0, &stat2, &privKey));
+   
+   if (!(stat == 1 && stat2 == 0)) {
+      printf("rsa_verify_hash (unsalted, privKey) failed, %d, %d", stat, stat2);
+      rsa_free(&key);
+      rsa_free(&pubKey);
+      rsa_free(&privKey);
       return 1;
    }
 
-   /* sign a message (salted) now */
-   len = sizeof(out);
-   DO(rsa_sign_hash(in, 20, out, &len, &test_yarrow, prng_idx, hash_idx, 8, &key));
-   DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 8, &stat, &key));
+   /* verify with pubKey */
+   /* change a byte */
+   in[0] ^= 1;
+   DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 0, &stat, &pubKey));
    /* change a byte */
    in[0] ^= 1;
-   DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 8, &stat2, &key));
+   DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 0, &stat2, &pubKey));
+   
+   if (!(stat == 1 && stat2 == 0)) {
+      printf("rsa_verify_hash (unsalted, pubkey) failed, %d, %d", stat, stat2);
+      rsa_free(&key);
+      rsa_free(&pubKey);
+      rsa_free(&privKey);
+      return 1;
+   }
+
+   /* sign a message (salted) now (use privKey to make, pubKey to verify) */
+   len = sizeof(out);
+   DO(rsa_sign_hash(in, 20, out, &len, &test_yarrow, prng_idx, hash_idx, 8, &privKey));
+   DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 8, &stat, &pubKey));
+   /* change a byte */
+   in[0] ^= 1;
+   DO(rsa_verify_hash(out, len, in, 20, &test_yarrow, prng_idx, hash_idx, 8, &stat2, &pubKey));
    
    if (!(stat == 1 && stat2 == 0)) {
       printf("rsa_verify_hash (salted) failed, %d, %d", stat, stat2);
+      rsa_free(&key);
+      rsa_free(&pubKey);
+      rsa_free(&privKey);
       return 1;
    }
    
    /* free the key and return */
    rsa_free(&key);
+   rsa_free(&pubKey);
+   rsa_free(&privKey);
    return 0;
 }
+
+#else
+
+int rsa_test(void)
+{
+   printf("NOP");
+   return 0;
+}
+
+#endif