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/* ====================================================================
 * 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/dh.h>
#include <openssl/hmac.h>
#include <openssl/err.h>

#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/sha.h>


#ifndef OPENSSL_FIPS
int main(int argc, char *argv[])
    {
    printf("No FIPS support\n");
    return(0);
    }
#else

#include <openssl/fips.h>
#include "fips_utl.h"

/* AES: encrypt and decrypt known plaintext, verify result matches original plaintext
*/
static int FIPS_aes_test(void)
	{
	int ret = 0;
	unsigned char pltmp[16];
	unsigned char citmp[16];
	unsigned char key[16] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
	unsigned char plaintext[16] = "etaonrishdlcu";
	EVP_CIPHER_CTX ctx;
	EVP_CIPHER_CTX_init(&ctx);
	if (EVP_CipherInit_ex(&ctx, EVP_aes_128_ecb(),NULL, key, NULL, 1) <= 0)
		goto err;
	EVP_Cipher(&ctx, citmp, plaintext, 16);
	if (EVP_CipherInit_ex(&ctx, EVP_aes_128_ecb(),NULL, key, NULL, 0) <= 0)
		goto err;
	EVP_Cipher(&ctx, pltmp, citmp, 16);
	if (memcmp(pltmp, plaintext, 16))
		goto err;
	ret = 1;
	err:
	EVP_CIPHER_CTX_cleanup(&ctx);
	return ret;
	}

static int FIPS_des3_test(void)
	{
	int ret = 0;
	unsigned char pltmp[8];
	unsigned char citmp[8];
    	unsigned char key[] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,
		              19,20,21,22,23,24};
    	unsigned char plaintext[] = { 'e', 't', 'a', 'o', 'n', 'r', 'i', 's' };
	EVP_CIPHER_CTX ctx;
	EVP_CIPHER_CTX_init(&ctx);
	if (EVP_CipherInit_ex(&ctx, EVP_des_ede3_ecb(),NULL, key, NULL, 1) <= 0)
		goto err;
	EVP_Cipher(&ctx, citmp, plaintext, 8);
	if (EVP_CipherInit_ex(&ctx, EVP_des_ede3_ecb(),NULL, key, NULL, 0) <= 0)
		goto err;
	EVP_Cipher(&ctx, pltmp, citmp, 8);
	if (memcmp(pltmp, plaintext, 8))
		goto err;
	ret = 1;
	err:
	EVP_CIPHER_CTX_cleanup(&ctx);
	return ret;
	}

/*
 * DSA: generate keys and sign, verify input plaintext.
 */
static int FIPS_dsa_test(int bad)
    {
    DSA *dsa = NULL;
    EVP_PKEY pk;
    unsigned char dgst[] = "etaonrishdlc";
    unsigned char buf[60];
    unsigned int slen;
    int r = 0;
    EVP_MD_CTX mctx;

    ERR_clear_error();
    EVP_MD_CTX_init(&mctx);
    dsa = FIPS_dsa_new();
    if (!dsa)
	goto end;
    if (!DSA_generate_parameters_ex(dsa, 1024,NULL,0,NULL,NULL,NULL))
	goto end;
    if (!DSA_generate_key(dsa))
	goto end;
    if (bad)
	    BN_add_word(dsa->pub_key, 1);

    pk.type = EVP_PKEY_DSA;
    pk.pkey.dsa = dsa;

    if (!EVP_SignInit_ex(&mctx, EVP_dss1(), NULL))
	goto end;
    if (!EVP_SignUpdate(&mctx, dgst, sizeof(dgst) - 1))
	goto end;
    if (!EVP_SignFinal(&mctx, buf, &slen, &pk))
	goto end;

    if (!EVP_VerifyInit_ex(&mctx, EVP_dss1(), NULL))
	goto end;
    if (!EVP_VerifyUpdate(&mctx, dgst, sizeof(dgst) - 1))
	goto end;
    r = EVP_VerifyFinal(&mctx, buf, slen, &pk);
    end:
    EVP_MD_CTX_cleanup(&mctx);
    if (dsa)
  	  FIPS_dsa_free(dsa);
    if (r != 1)
	return 0;
    return 1;
    }

/*
 * RSA: generate keys and sign, verify input plaintext.
 */
static int FIPS_rsa_test(int bad)
    {
    RSA *key;
    unsigned char input_ptext[] = "etaonrishdlc";
    unsigned char buf[256];
    unsigned int slen;
    BIGNUM *bn;
    EVP_MD_CTX mctx;
    EVP_PKEY pk;
    int r = 0;

    ERR_clear_error();
    EVP_MD_CTX_init(&mctx);
    key = FIPS_rsa_new();
    bn = BN_new();
    if (!key || !bn)
	return 0;
    BN_set_word(bn, 65537);
    if (!RSA_generate_key_ex(key, 1024,bn,NULL))
	return 0;
    BN_free(bn);
    if (bad)
	    BN_add_word(key->n, 1);

    pk.type = EVP_PKEY_RSA;
    pk.pkey.rsa = key;

    if (!EVP_SignInit_ex(&mctx, EVP_sha1(), NULL))
	goto end;
    if (!EVP_SignUpdate(&mctx, input_ptext, sizeof(input_ptext) - 1))
	goto end;
    if (!EVP_SignFinal(&mctx, buf, &slen, &pk))
	goto end;

    if (!EVP_VerifyInit_ex(&mctx, EVP_sha1(), NULL))
	goto end;
    if (!EVP_VerifyUpdate(&mctx, input_ptext, sizeof(input_ptext) - 1))
	goto end;
    r = EVP_VerifyFinal(&mctx, buf, slen, &pk);
    end:
    EVP_MD_CTX_cleanup(&mctx);
    if (key)
  	  FIPS_rsa_free(key);
    if (r != 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 (!EVP_Digest(str,sizeof(str) - 1,md, NULL, EVP_sha1(), NULL)) return 0;
    if (memcmp(md,digest,sizeof(md)))
        return 0;
    return 1;
    }

/* SHA256: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int FIPS_sha256_test()
    {
    unsigned char digest[SHA256_DIGEST_LENGTH] =
	{0xf5, 0x53, 0xcd, 0xb8, 0xcf, 0x1, 0xee, 0x17, 0x9b, 0x93, 0xc9, 0x68, 0xc0, 0xea, 0x40, 0x91,
	 0x6, 0xec, 0x8e, 0x11, 0x96, 0xc8, 0x5d, 0x1c, 0xaf, 0x64, 0x22, 0xe6, 0x50, 0x4f, 0x47, 0x57};
    unsigned char str[] = "etaonrishd";

    unsigned char md[SHA256_DIGEST_LENGTH];

    ERR_clear_error();
    if (!EVP_Digest(str,sizeof(str) - 1,md, NULL, EVP_sha256(), NULL)) return 0;
    if (memcmp(md,digest,sizeof(md)))
        return 0;
    return 1;
    }

/* SHA512: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int FIPS_sha512_test()
    {
    unsigned char digest[SHA512_DIGEST_LENGTH] =
	{0x99, 0xc9, 0xe9, 0x5b, 0x88, 0xd4, 0x78, 0x88, 0xdf, 0x88, 0x5f, 0x94, 0x71, 0x64, 0x28, 0xca,
	 0x16, 0x1f, 0x3d, 0xf4, 0x1f, 0xf3, 0x0f, 0xc5, 0x03, 0x99, 0xb2, 0xd0, 0xe7, 0x0b, 0x94, 0x4a,
	 0x45, 0xd2, 0x6c, 0x4f, 0x20, 0x06, 0xef, 0x71, 0xa9, 0x25, 0x7f, 0x24, 0xb1, 0xd9, 0x40, 0x22,
	 0x49, 0x54, 0x10, 0xc2, 0x22, 0x9d, 0x27, 0xfe, 0xbd, 0xd6, 0xd6, 0xeb, 0x2d, 0x42, 0x1d, 0xa3};
    unsigned char str[] = "etaonrishd";

    unsigned char md[SHA512_DIGEST_LENGTH];

    ERR_clear_error();
    if (!EVP_Digest(str,sizeof(str) - 1,md, NULL, EVP_sha512(), NULL)) return 0;
    if (memcmp(md,digest,sizeof(md)))
        return 0;
    return 1;
    }

/* HMAC-SHA1: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int FIPS_hmac_sha1_test()
    {
    unsigned char key[] = "etaonrishd";
    unsigned char iv[] = "Sample text";
    unsigned char kaval[EVP_MAX_MD_SIZE] =
	{0x73, 0xf7, 0xa0, 0x48, 0xf8, 0x94, 0xed, 0xdd, 0x0a, 0xea, 0xea, 0x56, 0x1b, 0x61, 0x2e, 0x70,
	 0xb2, 0xfb, 0xec, 0xc6};

    unsigned char out[EVP_MAX_MD_SIZE];
    unsigned int outlen;

    ERR_clear_error();
    if (!HMAC(EVP_sha1(),key,sizeof(key)-1,iv,sizeof(iv)-1,out,&outlen)) return 0;
    if (memcmp(out,kaval,outlen))
        return 0;
    return 1;
    }

/* HMAC-SHA224: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int FIPS_hmac_sha224_test()
    {
    unsigned char key[] = "etaonrishd";
    unsigned char iv[] = "Sample text";
    unsigned char kaval[EVP_MAX_MD_SIZE] =
	{0x75, 0x58, 0xd5, 0xbd, 0x55, 0x6d, 0x87, 0x0f, 0x75, 0xff, 0xbe, 0x1c, 0xb2, 0xf0, 0x20, 0x35,
	 0xe5, 0x62, 0x49, 0xb6, 0x94, 0xb9, 0xfc, 0x65, 0x34, 0x33, 0x3a, 0x19};

    unsigned char out[EVP_MAX_MD_SIZE];
    unsigned int outlen;

    ERR_clear_error();
    if (!HMAC(EVP_sha224(),key,sizeof(key)-1,iv,sizeof(iv)-1,out,&outlen)) return 0;
    if (memcmp(out,kaval,outlen))
        return 0;
    return 1;
    }

/* HMAC-SHA256: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int FIPS_hmac_sha256_test()
    {
    unsigned char key[] = "etaonrishd";
    unsigned char iv[] = "Sample text";
    unsigned char kaval[EVP_MAX_MD_SIZE] =
	{0xe9, 0x17, 0xc1, 0x7b, 0x4c, 0x6b, 0x77, 0xda, 0xd2, 0x30, 0x36, 0x02, 0xf5, 0x72, 0x33, 0x87,
	 0x9f, 0xc6, 0x6e, 0x7b, 0x7e, 0xa8, 0xea, 0xaa, 0x9f, 0xba, 0xee, 0x51, 0xff, 0xda, 0x24, 0xf4};

    unsigned char out[EVP_MAX_MD_SIZE];
    unsigned int outlen;

    ERR_clear_error();
    if (!HMAC(EVP_sha256(),key,sizeof(key)-1,iv,sizeof(iv)-1,out,&outlen)) return 0;
    if (memcmp(out,kaval,outlen))
        return 0;
    return 1;
    }

/* HMAC-SHA384: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int FIPS_hmac_sha384_test()
    {
    unsigned char key[] = "etaonrishd";
    unsigned char iv[] = "Sample text";
    unsigned char kaval[EVP_MAX_MD_SIZE] =
	{0xb2, 0x9d, 0x40, 0x58, 0x32, 0xc4, 0xe3, 0x31, 0xb6, 0x63, 0x08, 0x26, 0x99, 0xef, 0x3b, 0x10,
	 0xe2, 0xdf, 0xf8, 0xff, 0xc6, 0xe1, 0x03, 0x29, 0x81, 0x2a, 0x1b, 0xac, 0xb0, 0x07, 0x39, 0x08,
	 0xf3, 0x91, 0x35, 0x11, 0x76, 0xd6, 0x4c, 0x20, 0xfb, 0x4d, 0xc3, 0xf3, 0xb8, 0x9b, 0x88, 0x1c};

    unsigned char out[EVP_MAX_MD_SIZE];
    unsigned int outlen;

    ERR_clear_error();
    if (!HMAC(EVP_sha384(),key,sizeof(key)-1,iv,sizeof(iv)-1,out,&outlen)) return 0;
    if (memcmp(out,kaval,outlen))
        return 0;
    return 1;
    }

/* HMAC-SHA512: generate hash of known digest value and compare to known
   precomputed correct hash
*/
static int FIPS_hmac_sha512_test()
    {
    unsigned char key[] = "etaonrishd";
    unsigned char iv[] = "Sample text";
    unsigned char kaval[EVP_MAX_MD_SIZE] =
	{0xcd, 0x3e, 0xb9, 0x51, 0xb8, 0xbc, 0x7f, 0x9a, 0x23, 0xaf, 0xf3, 0x77, 0x59, 0x85, 0xa9, 0xe6,
	 0xf7, 0xd1, 0x51, 0x96, 0x17, 0xe0, 0x92, 0xd8, 0xa6, 0x3b, 0xc1, 0xad, 0x7e, 0x24, 0xca, 0xb1,
	 0xd7, 0x79, 0x0a, 0xa5, 0xea, 0x2c, 0x02, 0x58, 0x0b, 0xa6, 0x52, 0x6b, 0x61, 0x7f, 0xeb, 0x9c,
	 0x47, 0x86, 0x5d, 0x74, 0x2b, 0x88, 0xdf, 0xee, 0x46, 0x69, 0x96, 0x3d, 0xa6, 0xd9, 0x2a, 0x53};

    unsigned char out[EVP_MAX_MD_SIZE];
    unsigned int outlen;

    ERR_clear_error();
    if (!HMAC(EVP_sha512(),key,sizeof(key)-1,iv,sizeof(iv)-1,out,&outlen)) return 0;
    if (memcmp(out,kaval,outlen))
        return 0;
    return 1;
    }


/* DH: generate shared parameters
*/
static int dh_test()
    {
    DH *dh;
    ERR_clear_error();
    dh = FIPS_dh_new();
    if (!dh)
	return 0;
    if (!DH_generate_parameters_ex(dh, 1024, 2, NULL))
	return 0;
    FIPS_dh_free(dh);
    return 1;
    }

/* Zeroize
*/
static int Zeroize()
    {
    RSA *key;
    BIGNUM *bn;
    unsigned char userkey[16] = 
	{ 0x48, 0x50, 0xf0, 0xa3, 0x3a, 0xed, 0xd3, 0xaf, 0x6e, 0x47, 0x7f, 0x83, 0x02, 0xb1, 0x09, 0x68 };
    int i, n;

    key = FIPS_rsa_new();
    bn = BN_new();
    if (!key || !bn)
	return 0;
    BN_set_word(bn, 65537);
    if (!RSA_generate_key_ex(key, 1024,bn,NULL))
	return 0;
    BN_free(bn);
    
    n = BN_num_bytes(key->d);
    printf(" Generated %d byte RSA private key\n", n);
    printf("\tBN key before overwriting:\n");
    do_bn_print(stdout, key->d);
    BN_rand(key->d,n*8,-1,0);
    printf("\tBN key after overwriting:\n");
    do_bn_print(stdout, 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)
    {
    do_print_errors();
    Error++;
    return msg; 
    }

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

    int do_corrupt_rsa_keygen = 0, do_corrupt_dsa_keygen = 0;
    int bad_rsa = 0, bad_dsa = 0;
    int do_rng_stick = 0;
    int no_exit = 0;

    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("AES encryption/decryption with corrupted KAT...\n");
        } else if (!strcmp(argv[1], "des")) {
            FIPS_corrupt_des();
            printf("DES3-ECB encryption/decryption with corrupted KAT...\n");
        } else if (!strcmp(argv[1], "dsa")) {
            FIPS_corrupt_dsa();
            printf("DSA key generation and signature validation with corrupted KAT...\n");
        } else if (!strcmp(argv[1], "rsa")) {
            FIPS_corrupt_rsa();
            printf("RSA key generation and signature validation with corrupted KAT...\n");
        } else if (!strcmp(argv[1], "rsakey")) {
            printf("RSA key generation and signature validation with corrupted key...\n");
	    bad_rsa = 1;
	    no_exit = 1;
        } else if (!strcmp(argv[1], "rsakeygen")) {
	    do_corrupt_rsa_keygen = 1;
	    no_exit = 1;
            printf("RSA key generation and signature validation with corrupted keygen...\n");
        } else if (!strcmp(argv[1], "dsakey")) {
            printf("DSA key generation and signature validation with corrupted key...\n");
	    bad_dsa = 1;
	    no_exit = 1;
        } else if (!strcmp(argv[1], "dsakeygen")) {
	    do_corrupt_dsa_keygen = 1;
	    no_exit = 1;
            printf("DSA key generation and signature validation with corrupted keygen...\n");
        } else if (!strcmp(argv[1], "sha1")) {
            FIPS_corrupt_sha1();
            printf("SHA-1 hash with corrupted KAT...\n");
	} else if (!strcmp(argv[1], "rng")) {
	    FIPS_corrupt_rng();
	} else if (!strcmp(argv[1], "rngstick")) {
	    do_rng_stick = 1;
	    no_exit = 1;
	    printf("RNG test with stuck continuous test...\n");
        } else {
            printf("Bad argument \"%s\"\n", argv[1]);
            exit(1);
        }
	if (!no_exit) {
        	if (!FIPS_mode_set(1)) {
 		    do_print_errors();
        	    printf("Power-up self test failed\n");
		    exit(1);
		}
        	printf("Power-up self test successful\n");
        	exit(0);
	}
    }

    /* Non-Approved cryptographic operation
    */
    printf("1. Non-Approved cryptographic operation test...\n");
    printf("\ta. Included algorithm (D-H)...");
    printf( dh_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* Power-up self test
    */
    ERR_clear_error();
    printf("2. Automatic power-up self test...");
    if (!FIPS_mode_set(1))
	{
	do_print_errors();
        printf(Fail("FAILED!\n"));
	exit(1);
	}
    printf("successful\n");
    if (do_corrupt_dsa_keygen)
            FIPS_corrupt_dsa_keygen();
    if (do_corrupt_rsa_keygen)
            FIPS_corrupt_rsa_keygen();
    if (do_rng_stick)
            FIPS_rng_stick();

    /* 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(bad_rsa) ? "successful\n" :  Fail("FAILED!\n") );

    /* DES-CBC encryption/decryption
    */
    printf("5. DES-ECB encryption/decryption...");
    printf( FIPS_des3_test() ? "successful\n" :  Fail("FAILED!\n") );

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

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

    /* SHA-256 hash
    */
    printf("7b. SHA-256 hash...");
    printf( FIPS_sha256_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* SHA-512 hash
    */
    printf("7c. SHA-512 hash...");
    printf( FIPS_sha512_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* HMAC-SHA-1 hash
    */
    printf("7d. HMAC-SHA-1 hash...");
    printf( FIPS_hmac_sha1_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* HMAC-SHA-224 hash
    */
    printf("7e. HMAC-SHA-224 hash...");
    printf( FIPS_hmac_sha224_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* HMAC-SHA-256 hash
    */
    printf("7f. HMAC-SHA-256 hash...");
    printf( FIPS_hmac_sha256_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* HMAC-SHA-384 hash
    */
    printf("7g. HMAC-SHA-384 hash...");
    printf( FIPS_hmac_sha384_test() ? "successful\n" :  Fail("FAILED!\n") );

    /* HMAC-SHA-512 hash
    */
    printf("7h. HMAC-SHA-512 hash...");
    printf( FIPS_hmac_sha512_test() ? "successful\n" :  Fail("FAILED!\n") );

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

    /* Zeroization
    */
    printf("9. Zero-ization...\n");
    printf( Zeroize() ? "\tsuccessful as expected\n"
	    : Fail("\tfailed INCORRECTLY!\n") );

    printf("\nAll tests completed with %d errors\n", Error);
    return Error ? 1 : 0;
    }

#endif