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fips_test_suite.c

/* ====================================================================
 * Copyright (c) 2003 The OpenSSL Project.  All rights reserved.
 *
 *
 * This command is intended as a test driver for the FIPS-140 testing
 * lab performing FIPS-140 validation.  It demonstrates the use of the
 * OpenSSL library ito perform a variety of common cryptographic
 * functions.  A power-up self test is demonstrated by deliberately
 * pointing to an invalid executable hash
 *
 * Contributed by Steve Marquess.
 *
 */
#include <stdio.h>
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <openssl/aes.h>
#include <openssl/des.h>
#include <openssl/rsa.h>
#include <openssl/dsa.h>
#include <openssl/sha.h>
#include <openssl/md5.h>
#include <openssl/err.h>
#include <openssl/fips.h>
#include <openssl/bn.h>                                                                                          
#include <openssl/rand.h>                                                                                          
#ifndef OPENSSL_FIPS
int main(int argc, char *argv[])
    {
    printf("No FIPS support\n");
    return(0);
    }
#else

/* AES: encrypt and decrypt known plaintext, verify result matches original plaintext
*/
static int FIPS_aes_test()
    {
    unsigned char userkey[16] = { 0xde, 0xad, 0xbe, 0xef, 0xfe, 0xed, 0xf0, 0x0d };
    unsigned char plaintext[16] = "etaonrishdlcu";
    unsigned char ciphertext[16];
    unsigned char buf[16];
    AES_KEY key;
    AES_KEY dkey;

    ERR_clear_error();
    if (AES_set_encrypt_key( userkey, 128, &key ))
      return 0;
    AES_encrypt( plaintext, ciphertext, &key);
    if (AES_set_decrypt_key( userkey, 128, &dkey ))
        return 0;
    AES_decrypt( ciphertext, buf, &dkey);
    if (memcmp(buf, plaintext, sizeof(buf)))
        return 0;
    return 1;
    }

/* DES: encrypt and decrypt known plaintext, verify result matches original plaintext
*/
static int FIPS_des_test()
    {
    DES_cblock userkey = { 0xde, 0xad, 0xbe, 0xef, 0xfe, 0xed, 0xf0, 0x0d };
    DES_cblock plaintext = { 'e', 't', 'a', 'o', 'n', 'r', 'i', 's' };

    DES_key_schedule key;
    DES_cblock ciphertext;
    DES_cblock buf;

    ERR_clear_error();
    if (DES_set_key(&userkey, &key) < 0)
        return 0;
    DES_ecb_encrypt( &plaintext, &ciphertext, &key, 1);
    DES_ecb_encrypt( &ciphertext, &buf, &key, 0);
    if (memcmp(buf, plaintext, sizeof(buf)))
        return 0;
    return 1;
    }

/* DSA: generate key and sign a known digest, then verify the signature
 * against the digest
*/
static int FIPS_dsa_test()
    {
    DSA *dsa = NULL;
    unsigned char dgst[] = "etaonrishdlc";
    unsigned char sig[256];
    unsigned int siglen;

    ERR_clear_error();
    dsa = DSA_generate_parameters(512,NULL,0,NULL,NULL,NULL,NULL);
    if (!dsa)
      return 0;
    if (!DSA_generate_key(dsa))
      return 0;
    if ( DSA_sign(0,dgst,sizeof(dgst) - 1,sig,&siglen,dsa) != 1 )
      return 0;
    if ( DSA_verify(0,dgst,sizeof(dgst) - 1,sig,siglen,dsa) != 1 )
      return 0;
    DSA_free(dsa);
    return 1;
    }

/* RSA: generate keys and encrypt and decrypt known plaintext, verify result
 * matches the original plaintext
*/
static int FIPS_rsa_test()
    {
    RSA *key;
    unsigned char input_ptext[] = "etaonrishdlc";
    unsigned char ctext[256];
    unsigned char ptext[256];
    int n;

    ERR_clear_error();
    key = RSA_generate_key(1024,65537,NULL,NULL);
    if (!key)
      return 0;
    n = RSA_size(key);
    n = RSA_public_encrypt(sizeof(input_ptext) - 1,input_ptext,ctext,key,RSA_PKCS1_PADDING);
    if (n < 0)
      return 0;
    n = RSA_private_decrypt(n,ctext,ptext,key,RSA_PKCS1_PADDING);
    if (n < 0)
      return 0;
    RSA_free(key);
    if (memcmp(input_ptext,ptext,sizeof(input_ptext) - 1))
        return 0;
    return 1;
    }

/* SHA1: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int FIPS_sha1_test()
    {
    unsigned char digest[SHA_DIGEST_LENGTH] =
        { 0x11, 0xf1, 0x9a, 0x3a, 0xec, 0x1a, 0x1e, 0x8e, 0x65, 0xd4, 0x9a, 0x38, 0x0c, 0x8b, 0x1e, 0x2c, 0xe8, 0xb3, 0xc5, 0x18 };
    unsigned char str[] = "etaonrishd";

    unsigned char md[SHA_DIGEST_LENGTH];

    ERR_clear_error();
    if (!SHA1(str,sizeof(str) - 1,md)) return 0;
    if (memcmp(md,digest,sizeof(md)))
        return 0;
    return 1;
    }

/* MD5: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int md5_test()
    {
    unsigned char digest[MD5_DIGEST_LENGTH] =
      { 0x48, 0x50, 0xf0, 0xa3, 0x3a, 0xed, 0xd3, 0xaf, 0x6e, 0x47, 0x7f, 0x83, 0x02, 0xb1, 0x09, 0x68 };
    unsigned char str[] = "etaonrishd";

    unsigned char md[MD5_DIGEST_LENGTH];

    ERR_clear_error();
    if (!MD5(str,sizeof(str) - 1,md))
      return 0;
    if (memcmp(md,digest,sizeof(md)))
      return 0;
    return 1;
    }

/* DH: generate shared parameters
*/
static int dh_test()
    {
    DH *dh;

    ERR_clear_error();
    dh = DH_generate_parameters(256, 2, NULL, NULL);
    if (dh)
        return 1;
    return 0;
    }

/* Zeroize
*/
static int Zeroize()
    {
    RSA *key;
    unsigned char userkey[16] = 
      { 0x48, 0x50, 0xf0, 0xa3, 0x3a, 0xed, 0xd3, 0xaf, 0x6e, 0x47, 0x7f, 0x83, 0x02, 0xb1, 0x09, 0x68 };
    int i, n;
    
    key = RSA_generate_key(1024,65537,NULL,NULL);
    if (!key)
      return 0;
    n = BN_num_bytes(key->d);
    printf(" Generated %d byte RSA private key\n", n);
    printf("\tBN key before overwriting:\n%s\n", BN_bn2hex(key->d));
    BN_rand(key->d,n*8,-1,0);
    printf("\tBN key after overwriting:\n%s\n", BN_bn2hex(key->d));

    printf("\tchar buffer key before overwriting: \n\t\t");
    for(i = 0; i < sizeof(userkey); i++) printf("%02x", userkey[i]);
        printf("\n");
    RAND_bytes(userkey, sizeof userkey);
    printf("\tchar buffer key after overwriting: \n\t\t");
    for(i = 0; i < sizeof(userkey); i++) printf("%02x", userkey[i]);
        printf("\n");

    return 1;
    }

static int Error;
const char * Fail(const char *msg)
    {
    Error++;
    return msg; 
    }

int main(int argc,char **argv)
    {

    printf("\tFIPS-mode test application\n\n");

    /* Load entropy from external file, if any */
    RAND_load_file(".rnd", 1024);

    if (argv[1]) {
        /* Corrupted KAT tests */
        if (!strcmp(argv[1], "aes")) {
            FIPS_corrupt_aes();
            printf("3. AES encryption/decryption with corrupted KAT...\n");
        } else if (!strcmp(argv[1], "des")) {
            FIPS_corrupt_des();
            printf("5. DES-ECB encryption/decryption with corrupted KAT...\n");
        } else if (!strcmp(argv[1], "dsa")) {
            FIPS_corrupt_dsa();
            printf("6. DSA key generation and signature validation with corrupted KAT...\n");
        } else if (!strcmp(argv[1], "rsa")) {
            FIPS_corrupt_rsa();
            printf("4. RSA key generation and encryption/decryption with corrupted KAT...\n");
        } else if (!strcmp(argv[1], "sha1")) {
            FIPS_corrupt_sha1();
            printf("7. SHA-1 hash with corrupted KAT...\n");
        } else {
            printf("Bad argument \"%s\"\n", argv[1]);
            exit(1);
        }
        if (!FIPS_mode_set(1,argv[0]))
          {
          ERR_load_crypto_strings();
          ERR_print_errors(BIO_new_fp(stderr,BIO_NOCLOSE));
            printf("Power-up self test failed\n");
          exit(1);
      }
        printf("Power-up self test successful\n");
        exit(0);
    }

    /* Non-Approved cryptographic operation
    */
    printf("0. Non-Approved cryptographic operation test...\n");
    printf("\ta. Excluded algorithm (MD5)...");
    printf( md5_test() ? "successful\n" :  Fail("FAILED!\n") );
    printf("\tb. Included algorithm (D-H)...");
    printf( dh_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* Power-up self test failure
    */
    printf("1. Automatic power-up self test...");
    printf( FIPS_mode_set(1,"/dev/null") ? Fail("passed INCORRECTLY!\n") : "failed as expected\n" );

    /* Algorithm call when uninitialized failure
    */
    printf("\ta. AES API failure on failed power-up self test...");
    printf( FIPS_aes_test() ? Fail("passed INCORRECTLY!\n") :"failed as expected\n" );
    printf("\tb. RSA API failure on failed power-up self test...");
    printf( FIPS_rsa_test() ? Fail("passed INCORRECTLY!\n") :  "failed as expected\n" );
    printf("\tc. DES API failure on failed power-up self test...");
    printf( FIPS_des_test() ? Fail("passed INCORRECTLY!\n") : "failed as expected\n" );
    printf("\td. DSA API failure on failed power-up self test...");
    printf( FIPS_dsa_test() ? Fail("passed INCORRECTLY!\n") :  "failed as expected\n" );
    printf("\te. SHA1 API failure on failed power-up self test...");
    printf( FIPS_sha1_test() ? Fail("passed INCORRECTLY!\n") : "failed as expected\n" );

    /* Power-up self test retry
    */
    ERR_clear_error();
    printf("2. Automatic power-up self test retry...");
    if (!FIPS_mode_set(1,argv[0]))
      {
      ERR_load_crypto_strings();
      ERR_print_errors(BIO_new_fp(stderr,BIO_NOCLOSE));
        printf(Fail("FAILED!\n"));
      exit(1);
      }
    printf("successful\n");

    /* AES encryption/decryption
    */
    printf("3. AES encryption/decryption...");
    printf( FIPS_aes_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* RSA key generation and encryption/decryption
    */
    printf("4. RSA key generation and encryption/decryption...");
    printf( FIPS_rsa_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* DES-CBC encryption/decryption
    */
    printf("5. DES-ECB encryption/decryption...");
    printf( FIPS_des_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* DSA key generation and signature validation
    */
    printf("6. DSA key generation and signature validation...");
    printf( FIPS_dsa_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* SHA-1 hash
    */
    printf("7. SHA-1 hash...");
    printf( FIPS_sha1_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* Non-Approved cryptographic operation
    */
    printf("8. Non-Approved cryptographic operation test...\n");
    printf("\ta. Excluded algorithm (MD5)...");
    printf( md5_test() ? Fail("passed INCORRECTLY!\n")
          : "failed as expected\n" );
    printf("\tb. Included algorithm (D-H)...");
    printf( dh_test() ? "successful as expected\n"
          : Fail("failed INCORRECTLY!\n") );

    /* Zeroization
    */
    printf("9. Zero-ization...\n");
    Zeroize();

    printf("\nAll tests completed with %d errors\n", Error);
    return 0;
    }
#endif

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