int FIPS_cipher_ctx_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in)
{
if ((in == NULL) || (in->cipher == NULL))
{
EVPerr(EVP_F_FIPS_CIPHER_CTX_COPY,EVP_R_INPUT_NOT_INITIALIZED);
return 0;
}
/* Only FIPS ciphers allowed */
if (FIPS_module_mode() && !(in->cipher->flags & EVP_CIPH_FLAG_FIPS) &&
!(out->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW))
{
EVPerr(EVP_F_FIPS_CIPHER_CTX_COPY, EVP_R_DISABLED_FOR_FIPS);
out->cipher = &bad_cipher;
return 0;
}
FIPS_cipher_ctx_cleanup(out);
memcpy(out,in,sizeof *out);
if (in->cipher_data && in->cipher->ctx_size)
{
out->cipher_data=OPENSSL_malloc(in->cipher->ctx_size);
if (!out->cipher_data)
{
EVPerr(EVP_F_FIPS_CIPHER_CTX_COPY,ERR_R_MALLOC_FAILURE);
return 0;
}
memcpy(out->cipher_data,in->cipher_data,in->cipher->ctx_size);
}
if (in->cipher->flags & EVP_CIPH_CUSTOM_COPY)
return in->cipher->ctrl((EVP_CIPHER_CTX *)in, EVP_CTRL_COPY, 0, out);
return 1;
}
static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len)
{
EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
if (!xctx->xts.key1 || !xctx->xts.key2)
return 0;
if (!out || !in || len<AES_BLOCK_SIZE)
return 0;
#ifdef OPENSSL_FIPS
/* Requirement of SP800-38E */
if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
(len > (1UL<<20)*16))
{
EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE);
return 0;
}
#endif
if (xctx->stream)
(*xctx->stream)(in, out, len,
xctx->xts.key1, xctx->xts.key2, ctx->iv);
else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
ctx->encrypt))
return 0;
return 1;
}
int FIPS_mode(void)
{
#ifdef OPENSSL_FIPS
return FIPS_module_mode();
#else
return 0;
#endif
}
void FIPS_rand_add(const void *buf, int num, double entropy)
{
if (!fips_approved_rand_meth && FIPS_module_mode()) {
FIPSerr(FIPS_F_FIPS_RAND_ADD, FIPS_R_NON_FIPS_METHOD);
return;
}
if (fips_rand_meth && fips_rand_meth->add)
fips_rand_meth->add(buf, num, entropy);
}
int FIPS_rand_bytes(unsigned char *buf, FIPS_RAND_SIZE_T num)
{
if (!fips_approved_rand_meth && FIPS_module_mode()) {
FIPSerr(FIPS_F_FIPS_RAND_BYTES, FIPS_R_NON_FIPS_METHOD);
return 0;
}
if (fips_rand_meth && fips_rand_meth->bytes)
return fips_rand_meth->bytes(buf, num);
return 0;
}
int FIPS_rand_seed(const void *buf, FIPS_RAND_SIZE_T num)
{
if (!fips_approved_rand_meth && FIPS_module_mode()) {
FIPSerr(FIPS_F_FIPS_RAND_SEED, FIPS_R_NON_FIPS_METHOD);
return 0;
}
if (fips_rand_meth && fips_rand_meth->seed)
fips_rand_meth->seed(buf, num);
return 1;
}
int FIPS_rand_pseudo_bytes(unsigned char *buf, int num)
{
if (!fips_approved_rand_meth && FIPS_module_mode()) {
FIPSerr(FIPS_F_FIPS_RAND_PSEUDO_BYTES, FIPS_R_NON_FIPS_METHOD);
return 0;
}
if (fips_rand_meth && fips_rand_meth->pseudorand)
return fips_rand_meth->pseudorand(buf, num);
return -1;
}
int FIPS_rand_status(void)
{
if (!fips_approved_rand_meth && FIPS_module_mode()) {
FIPSerr(FIPS_F_FIPS_RAND_STATUS, FIPS_R_NON_FIPS_METHOD);
return 0;
}
if (fips_rand_meth && fips_rand_meth->status)
return fips_rand_meth->status();
return 0;
}
int FIPS_rand_strength(void)
{
if (fips_rand_bits)
return fips_rand_bits;
if (fips_approved_rand_meth == 1)
return FIPS_drbg_get_strength(FIPS_get_default_drbg());
else if (fips_approved_rand_meth == 2)
return 80;
else if (fips_approved_rand_meth == 0) {
if (FIPS_module_mode())
return 0;
else
return 256;
}
return 0;
}
int FIPS_rand_set_method(const RAND_METHOD *meth)
{
if (!fips_rand_bits) {
if (meth == FIPS_drbg_method())
fips_approved_rand_meth = 1;
else if (meth == FIPS_x931_method())
fips_approved_rand_meth = 2;
else {
fips_approved_rand_meth = 0;
if (FIPS_module_mode()) {
FIPSerr(FIPS_F_FIPS_RAND_SET_METHOD, FIPS_R_NON_FIPS_METHOD);
return 0;
}
}
}
fips_rand_meth = meth;
return 1;
}
int fips_check_ec_prng(EC_KEY *ec)
{
int bits, strength;
if (!FIPS_module_mode())
return 1;
if (ec->flags & (EC_FLAG_NON_FIPS_ALLOW|EC_FLAG_FIPS_CHECKED))
return 1;
if (!ec->group)
return 1;
bits = BN_num_bits(&ec->group->order);
if (bits < 160)
{
FIPSerr(FIPS_F_FIPS_CHECK_EC_PRNG,FIPS_R_KEY_TOO_SHORT);
return 0;
}
/* Comparable algorithm strengths: from SP800-57 table 2 */
if (bits >= 512)
strength = 256;
else if (bits >= 384)
strength = 192;
else if (bits >= 256)
strength = 128;
else if (bits >= 224)
strength = 112;
else
strength = 80;
if (FIPS_rand_strength() >= strength)
return 1;
FIPSerr(FIPS_F_FIPS_CHECK_EC_PRNG,FIPS_R_PRNG_STRENGTH_TOO_LOW);
return 0;
}
int fips_check_rsa_prng(RSA *rsa, int bits)
{
int strength;
if (!FIPS_module_mode())
return 1;
if (rsa->flags & (RSA_FLAG_NON_FIPS_ALLOW|RSA_FLAG_CHECKED))
return 1;
if (bits == 0)
bits = BN_num_bits(rsa->n);
/* Should never happen */
if (bits < 1024)
{
FIPSerr(FIPS_F_FIPS_CHECK_RSA_PRNG,FIPS_R_KEY_TOO_SHORT);
return 0;
}
/* From SP800-57 */
if (bits < 2048)
strength = 80;
else if (bits < 3072)
strength = 112;
else if (bits < 7680)
strength = 128;
else if (bits < 15360)
strength = 192;
else
strength = 256;
if (FIPS_rand_strength() >= strength)
return 1;
FIPSerr(FIPS_F_FIPS_CHECK_RSA_PRNG,FIPS_R_PRNG_STRENGTH_TOO_LOW);
return 0;
}
int FIPS_module_mode_set(int onoff, const char *auth)
{
int ret = 0;
fips_w_lock();
fips_started = 1;
fips_set_owning_thread();
if(onoff)
{
fips_selftest_fail = 0;
if (!fips_check_auth(auth))
{
fips_auth_fail = 1;
fips_selftest_fail = 1;
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_AUTHENTICATION_FAILURE);
return 0;
}
/* Don't go into FIPS mode twice, just so we can do automagic
seeding */
if(FIPS_module_mode())
{
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_FIPS_MODE_ALREADY_SET);
fips_selftest_fail = 1;
ret = 0;
goto end;
}
#ifdef OPENSSL_IA32_SSE2
{
extern unsigned int OPENSSL_ia32cap_P[2];
if ((OPENSSL_ia32cap_P[0] & (1<<25|1<<26)) != (1<<25|1<<26))
{
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_UNSUPPORTED_PLATFORM);
fips_selftest_fail = 1;
ret = 0;
goto end;
}
OPENSSL_ia32cap_P[0] |= (1<<28); /* set "shared cache" */
OPENSSL_ia32cap_P[1] &= ~(1<<(60-32)); /* clear AVX */
}
#endif
if(fips_signature_witness() != FIPS_signature)
{
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,FIPS_R_CONTRADICTING_EVIDENCE);
fips_selftest_fail = 1;
ret = 0;
goto end;
}
if(FIPS_selftest())
fips_set_mode(onoff);
else
{
fips_selftest_fail = 1;
ret = 0;
goto end;
}
ret = 1;
goto end;
}
fips_set_mode(0);
fips_selftest_fail = 0;
ret = 1;
end:
fips_clear_owning_thread();
fips_w_unlock();
return ret;
}
int main(int argc,char **argv)
{
int bad_rsa = 0, bad_dsa = 0;
int do_rng_stick = 0;
int do_drbg_stick = 0;
int no_exit = 0;
FIPS_post_set_callback(post_cb);
printf("\tFIPS-mode test application\n");
printf("\t%s\n\n", FIPS_module_version_text());
if (argv[1]) {
/* Corrupted KAT tests */
if (!strcmp(argv[1], "integrity")) {
fail_id = FIPS_TEST_INTEGRITY;
} else if (!strcmp(argv[1], "aes")) {
fail_id = FIPS_TEST_CIPHER;
fail_sub = NID_aes_128_ecb;
} else if (!strcmp(argv[1], "aes-ccm")) {
fail_id = FIPS_TEST_CCM;
} else if (!strcmp(argv[1], "aes-gcm")) {
fail_id = FIPS_TEST_GCM;
} else if (!strcmp(argv[1], "aes-xts")) {
fail_id = FIPS_TEST_XTS;
} else if (!strcmp(argv[1], "des")) {
fail_id = FIPS_TEST_CIPHER;
fail_sub = NID_des_ede3_ecb;
} else if (!strcmp(argv[1], "dsa")) {
fail_id = FIPS_TEST_SIGNATURE;
fail_key = EVP_PKEY_DSA;
} else if (!strcmp(argv[1], "ecdsa")) {
fail_id = FIPS_TEST_SIGNATURE;
fail_key = EVP_PKEY_EC;
} else if (!strcmp(argv[1], "rsa")) {
fail_id = FIPS_TEST_SIGNATURE;
fail_key = EVP_PKEY_RSA;
} 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")) {
fail_id = FIPS_TEST_PAIRWISE;
fail_key = EVP_PKEY_RSA;
no_exit = 1;
} 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")) {
fail_id = FIPS_TEST_PAIRWISE;
fail_key = EVP_PKEY_DSA;
no_exit = 1;
} else if (!strcmp(argv[1], "sha1")) {
fail_id = FIPS_TEST_DIGEST;
} else if (!strcmp(argv[1], "hmac")) {
fail_id = FIPS_TEST_HMAC;
} else if (!strcmp(argv[1], "cmac")) {
fail_id = FIPS_TEST_CMAC;
} else if (!strcmp(argv[1], "drbg")) {
fail_id = FIPS_TEST_DRBG;
} else if (!strcmp(argv[1], "rng")) {
fail_id = FIPS_TEST_X931;
} else if (!strcmp(argv[1], "post")) {
fail_id = -1;
} else if (!strcmp(argv[1], "rngstick")) {
do_rng_stick = 1;
no_exit = 1;
printf("RNG test with stuck continuous test...\n");
} else if (!strcmp(argv[1], "drbgentstick")) {
do_entropy_stick();
} else if (!strcmp(argv[1], "drbgstick")) {
do_drbg_stick = 1;
no_exit = 1;
printf("DRBG test with stuck continuous test...\n");
} else {
printf("Bad argument \"%s\"\n", argv[1]);
exit(1);
}
if (!no_exit) {
fips_algtest_init_nofips();
if (!FIPS_module_mode_set(1)) {
printf("Power-up self test failed\n");
exit(1);
}
printf("Power-up self test successful\n");
exit(0);
}
}
fips_algtest_init_nofips();
/* Non-Approved cryptographic operation
*/
printf("1. Non-Approved cryptographic operation test...\n");
test_msg("\ta. Included algorithm (D-H)...", dh_test());
/* Power-up self test
*/
ERR_clear_error();
test_msg("2. Automatic power-up self test", FIPS_module_mode_set(1));
if (!FIPS_module_mode())
exit(1);
if (do_drbg_stick)
FIPS_drbg_stick();
if (do_rng_stick)
FIPS_x931_stick();
/* AES encryption/decryption
*/
test_msg("3a. AES encryption/decryption", FIPS_aes_test());
/* AES GCM encryption/decryption
*/
test_msg("3b. AES-GCM encryption/decryption", FIPS_aes_gcm_test());
/* RSA key generation and encryption/decryption
*/
test_msg("4. RSA key generation and encryption/decryption",
FIPS_rsa_test(bad_rsa));
/* DES-CBC encryption/decryption
*/
test_msg("5. DES-ECB encryption/decryption", FIPS_des3_test());
/* DSA key generation and signature validation
*/
test_msg("6. DSA key generation and signature validation",
FIPS_dsa_test(bad_dsa));
/* SHA-1 hash
*/
test_msg("7a. SHA-1 hash", FIPS_sha1_test());
/* SHA-256 hash
*/
test_msg("7b. SHA-256 hash", FIPS_sha256_test());
/* SHA-512 hash
*/
test_msg("7c. SHA-512 hash", FIPS_sha512_test());
/* HMAC-SHA-1 hash
*/
test_msg("7d. HMAC-SHA-1 hash", FIPS_hmac_sha1_test());
/* HMAC-SHA-224 hash
*/
test_msg("7e. HMAC-SHA-224 hash", FIPS_hmac_sha224_test());
/* HMAC-SHA-256 hash
*/
test_msg("7f. HMAC-SHA-256 hash", FIPS_hmac_sha256_test());
/* HMAC-SHA-384 hash
*/
test_msg("7g. HMAC-SHA-384 hash", FIPS_hmac_sha384_test());
/* HMAC-SHA-512 hash
*/
test_msg("7h. HMAC-SHA-512 hash", FIPS_hmac_sha512_test());
/* CMAC-AES-128 hash
*/
test_msg("8a. CMAC-AES-128 hash", FIPS_cmac_aes128_test());
/* CMAC-AES-192 hash
*/
test_msg("8b. CMAC-AES-192 hash", FIPS_cmac_aes192_test());
/* CMAC-AES-256 hash
*/
test_msg("8c. CMAC-AES-256 hash", FIPS_cmac_aes256_test());
# if 0 /* Not a FIPS algorithm */
/* CMAC-TDEA-2 hash
*/
test_msg("8d. CMAC-TDEA-2 hash", FIPS_cmac_tdea2_test());
#endif
/* CMAC-TDEA-3 hash
*/
test_msg("8e. CMAC-TDEA-3 hash", FIPS_cmac_tdea3_test());
/* Non-Approved cryptographic operation
*/
printf("9. Non-Approved cryptographic operation test...\n");
printf("\ta. Included algorithm (D-H)...%s\n",
dh_test() ? "successful as expected"
: Fail("failed INCORRECTLY!") );
/* Zeroization
*/
printf("10. Zero-ization...\n\t%s\n",
Zeroize() ? "successful as expected"
: Fail("failed INCORRECTLY!") );
printf("\nAll tests completed with %d errors\n", Error);
return Error ? 1 : 0;
}
/* Actually there is no reason to insist that 'generator' be a generator.
* It's just as OK (and in some sense better) to use a generator of the
* order-q subgroup.
*/
static int dh_builtin_genparams(DH *ret, int prime_len, int generator, BN_GENCB *cb)
{
BIGNUM *t1,*t2;
int g,ok= -1;
BN_CTX *ctx=NULL;
#ifdef OPENSSL_FIPS
if(FIPS_selftest_failed())
{
FIPSerr(FIPS_F_DH_BUILTIN_GENPARAMS,FIPS_R_FIPS_SELFTEST_FAILED);
return 0;
}
if (FIPS_module_mode() && (prime_len < OPENSSL_DH_FIPS_MIN_MODULUS_BITS))
{
DHerr(DH_F_DH_BUILTIN_GENPARAMS, DH_R_KEY_SIZE_TOO_SMALL);
goto err;
}
#endif
ctx=BN_CTX_new();
if (ctx == NULL) goto err;
BN_CTX_start(ctx);
t1 = BN_CTX_get(ctx);
t2 = BN_CTX_get(ctx);
if (t1 == NULL || t2 == NULL) goto err;
/* Make sure 'ret' has the necessary elements */
if(!ret->p && ((ret->p = BN_new()) == NULL)) goto err;
if(!ret->g && ((ret->g = BN_new()) == NULL)) goto err;
if (generator <= 1)
{
DHerr(DH_F_DH_BUILTIN_GENPARAMS, DH_R_BAD_GENERATOR);
goto err;
}
if (generator == DH_GENERATOR_2)
{
if (!BN_set_word(t1,24)) goto err;
if (!BN_set_word(t2,11)) goto err;
g=2;
}
#if 0 /* does not work for safe primes */
else if (generator == DH_GENERATOR_3)
{
if (!BN_set_word(t1,12)) goto err;
if (!BN_set_word(t2,5)) goto err;
g=3;
}
#endif
else if (generator == DH_GENERATOR_5)
{
if (!BN_set_word(t1,10)) goto err;
if (!BN_set_word(t2,3)) goto err;
/* BN_set_word(t3,7); just have to miss
* out on these ones :-( */
g=5;
}
else
{
/* in the general case, don't worry if 'generator' is a
* generator or not: since we are using safe primes,
* it will generate either an order-q or an order-2q group,
* which both is OK */
if (!BN_set_word(t1,2)) goto err;
if (!BN_set_word(t2,1)) goto err;
g=generator;
}
if(!BN_generate_prime_ex(ret->p,prime_len,1,t1,t2,cb)) goto err;
if(!BN_GENCB_call(cb, 3, 0)) goto err;
if (!BN_set_word(ret->g,g)) goto err;
ok=1;
err:
if (ok == -1)
{
DHerr(DH_F_DH_BUILTIN_GENPARAMS,ERR_R_BN_LIB);
ok=0;
}
if (ctx != NULL)
{
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
return ok;
}
int FIPS_module_mode_set(int onoff, const char *auth)
{
int ret = 0;
fips_w_lock();
fips_started = 1;
fips_set_owning_thread();
if (onoff) {
fips_selftest_fail = 0;
/* Don't go into FIPS mode twice, just so we can do automagic
seeding */
if (FIPS_module_mode()) {
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,
FIPS_R_FIPS_MODE_ALREADY_SET);
fips_selftest_fail = 1;
ret = 0;
goto end;
}
# ifdef OPENSSL_IA32_SSE2
{
extern unsigned int OPENSSL_ia32cap_P[2];
if ((OPENSSL_ia32cap_P[0] & (1 << 25 | 1 << 26)) !=
(1 << 25 | 1 << 26)) {
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,
FIPS_R_UNSUPPORTED_PLATFORM);
fips_selftest_fail = 1;
ret = 0;
goto end;
}
}
# endif
if (!FIPS_selftest()) {
fips_selftest_fail = 1;
ret = 0;
goto end;
}
if (!verify_checksums()) {
FIPSerr(FIPS_F_FIPS_MODULE_MODE_SET,
FIPS_R_FINGERPRINT_DOES_NOT_MATCH);
fips_selftest_fail = 1;
ret = 0;
goto end;
}
fips_set_mode(onoff);
ret = 1;
goto end;
}
fips_set_mode(0);
fips_selftest_fail = 0;
ret = 1;
end:
fips_clear_owning_thread();
fips_w_unlock();
return ret;
}
int main(int argc, char **argv)
{
static char buf[1024];
char **args = argv + 1;
const char *sname = "fipstests.sh";
ARGS arg;
int xargc;
char **xargv;
int lineno = 0, badarg = 0;
int nerr = 0, quiet = 0, verbose = 0;
int rv;
FILE *in = NULL;
#ifdef FIPS_ALGVS_MEMCHECK
CRYPTO_malloc_debug_init();
OPENSSL_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
#endif
#if defined(_TMS320C6400_PLUS)
SysInit();
#endif
#if (defined(__arm__) || defined(__aarch64__))
if (*args && !strcmp(*args, "-noaccel"))
{
extern unsigned int OPENSSL_armcap_P;
OPENSSL_armcap_P=0;
args++;
argc--;
}
#endif
if (*args && *args[0] != '-')
{
rv = run_prg(argc - 1, args);
#ifdef FIPS_ALGVS_MEMCHECK
CRYPTO_mem_leaks_fp(stderr);
#endif
return rv;
}
while (!badarg && *args && *args[0] == '-')
{
if (!strcmp(*args, "-script"))
{
if (args[1])
{
args++;
sname = *args;
}
else
badarg = 1;
}
else if (!strcmp(*args, "-quiet"))
quiet = 1;
else if (!strcmp(*args, "-verbose"))
verbose = 1;
else
badarg = 1;
args++;
}
if (badarg)
{
fprintf(stderr, "Error processing arguments\n");
return 1;
}
in = fopen(sname, "r");
if (!in)
{
fprintf(stderr, "Error opening script file \"%s\"\n", sname);
return 1;
}
arg.data = NULL;
arg.count = 0;
while (fgets(buf, sizeof(buf), in))
{
lineno++;
if (!chopup_args(&arg, buf, &xargc, &xargv))
fprintf(stderr, "Error processing line %d\n", lineno);
else
{
if (!quiet)
{
int i;
int narg = verbose ? xargc : xargc - 2;
printf("Running command line:");
for (i = 0; i < narg; i++)
printf(" %s", xargv[i]);
printf("\n");
}
rv = run_prg(xargc, xargv);
if (FIPS_module_mode())
FIPS_module_mode_set(0, NULL);
if (rv != 0)
nerr++;
if (rv == -100)
fprintf(stderr, "ERROR: Command not found\n");
else if (rv != 0)
fprintf(stderr, "ERROR: returned %d\n", rv);
else if (verbose)
printf("\tCommand run successfully\n");
}
}
if (!quiet)
printf("Completed with %d errors\n", nerr);
if (arg.data)
OPENSSL_free(arg.data);
fclose(in);
#ifdef FIPS_ALGVS_MEMCHECK
CRYPTO_mem_leaks_fp(stderr);
#endif
if (nerr == 0)
return 0;
return 1;
}
int FIPS_cipherinit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
const unsigned char *key, const unsigned char *iv, int enc)
{
if(FIPS_selftest_failed())
{
FIPSerr(FIPS_F_FIPS_CIPHERINIT,FIPS_R_FIPS_SELFTEST_FAILED);
ctx->cipher = &bad_cipher;
return 0;
}
if (enc == -1)
enc = ctx->encrypt;
else
{
if (enc)
enc = 1;
ctx->encrypt = enc;
}
if (cipher)
{
/* Only FIPS ciphers allowed */
if (FIPS_module_mode() && !(cipher->flags & EVP_CIPH_FLAG_FIPS) &&
!(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW))
{
EVPerr(EVP_F_FIPS_CIPHERINIT, EVP_R_DISABLED_FOR_FIPS);
ctx->cipher = &bad_cipher;
return 0;
}
/* Ensure a context left lying around from last time is cleared
* (the previous check attempted to avoid this if the same
* ENGINE and EVP_CIPHER could be used). */
FIPS_cipher_ctx_cleanup(ctx);
/* Restore encrypt field: it is zeroed by cleanup */
ctx->encrypt = enc;
ctx->cipher=cipher;
if (ctx->cipher->ctx_size)
{
ctx->cipher_data=OPENSSL_malloc(ctx->cipher->ctx_size);
if (!ctx->cipher_data)
{
EVPerr(EVP_F_FIPS_CIPHERINIT, ERR_R_MALLOC_FAILURE);
return 0;
}
}
else
{
ctx->cipher_data = NULL;
}
ctx->key_len = cipher->key_len;
ctx->flags = 0;
if(ctx->cipher->flags & EVP_CIPH_CTRL_INIT)
{
if(!FIPS_cipher_ctx_ctrl(ctx, EVP_CTRL_INIT, 0, NULL))
{
EVPerr(EVP_F_FIPS_CIPHERINIT, EVP_R_INITIALIZATION_ERROR);
return 0;
}
}
}
else if(!ctx->cipher)
{
EVPerr(EVP_F_FIPS_CIPHERINIT, EVP_R_NO_CIPHER_SET);
return 0;
}
/* we assume block size is a power of 2 in *cryptUpdate */
OPENSSL_assert(ctx->cipher->block_size == 1
|| ctx->cipher->block_size == 8
|| ctx->cipher->block_size == 16);
if(!(M_EVP_CIPHER_CTX_flags(ctx) & EVP_CIPH_CUSTOM_IV)) {
switch(M_EVP_CIPHER_CTX_mode(ctx)) {
case EVP_CIPH_STREAM_CIPHER:
case EVP_CIPH_ECB_MODE:
break;
case EVP_CIPH_CFB_MODE:
case EVP_CIPH_OFB_MODE:
ctx->num = 0;
/* fall-through */
case EVP_CIPH_CBC_MODE:
OPENSSL_assert(M_EVP_CIPHER_CTX_iv_length(ctx) <=
(int)sizeof(ctx->iv));
if(iv) memcpy(ctx->oiv, iv, M_EVP_CIPHER_CTX_iv_length(ctx));
memcpy(ctx->iv, ctx->oiv, M_EVP_CIPHER_CTX_iv_length(ctx));
break;
case EVP_CIPH_CTR_MODE:
/* Don't reuse IV for CTR mode */
if(iv)
memcpy(ctx->iv, iv, M_EVP_CIPHER_CTX_iv_length(ctx));
break;
default:
return 0;
break;
}
}
if(key || (ctx->cipher->flags & EVP_CIPH_ALWAYS_CALL_INIT)) {
if(!ctx->cipher->init(ctx,key,iv,enc)) return 0;
}
ctx->buf_len=0;
ctx->final_used=0;
ctx->block_mask=ctx->cipher->block_size-1;
return 1;
}
static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
{
EVP_AES_GCM_CTX *gctx = c->cipher_data;
switch (type)
{
case EVP_CTRL_INIT:
gctx->key_set = 0;
gctx->iv_set = 0;
gctx->ivlen = c->cipher->iv_len;
gctx->iv = c->iv;
gctx->taglen = -1;
gctx->iv_gen = 0;
gctx->tls_aad_len = -1;
return 1;
case EVP_CTRL_GCM_SET_IVLEN:
if (arg <= 0)
return 0;
#ifdef OPENSSL_FIPS
if (FIPS_module_mode() && !(c->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)
&& arg < 12)
return 0;
#endif
/* Allocate memory for IV if needed */
if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen))
{
if (gctx->iv != c->iv)
OPENSSL_free(gctx->iv);
gctx->iv = OPENSSL_malloc(arg);
if (!gctx->iv)
return 0;
}
gctx->ivlen = arg;
return 1;
case EVP_CTRL_GCM_SET_TAG:
if (arg <= 0 || arg > 16 || c->encrypt)
return 0;
memcpy(c->buf, ptr, arg);
gctx->taglen = arg;
return 1;
case EVP_CTRL_GCM_GET_TAG:
if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0)
return 0;
memcpy(ptr, c->buf, arg);
return 1;
case EVP_CTRL_GCM_SET_IV_FIXED:
/* Special case: -1 length restores whole IV */
if (arg == -1)
{
memcpy(gctx->iv, ptr, gctx->ivlen);
gctx->iv_gen = 1;
return 1;
}
/* Fixed field must be at least 4 bytes and invocation field
* at least 8.
*/
if ((arg < 4) || (gctx->ivlen - arg) < 8)
return 0;
if (arg)
memcpy(gctx->iv, ptr, arg);
if (c->encrypt &&
RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
return 0;
gctx->iv_gen = 1;
return 1;
case EVP_CTRL_GCM_IV_GEN:
if (gctx->iv_gen == 0 || gctx->key_set == 0)
return 0;
CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
if (arg <= 0 || arg > gctx->ivlen)
arg = gctx->ivlen;
memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
/* Invocation field will be at least 8 bytes in size and
* so no need to check wrap around or increment more than
* last 8 bytes.
*/
ctr64_inc(gctx->iv + gctx->ivlen - 8);
gctx->iv_set = 1;
return 1;
case EVP_CTRL_GCM_SET_IV_INV:
if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
return 0;
memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
gctx->iv_set = 1;
return 1;
case EVP_CTRL_AEAD_TLS1_AAD:
/* Save the AAD for later use */
if (arg != 13)
return 0;
memcpy(c->buf, ptr, arg);
gctx->tls_aad_len = arg;
{
unsigned int len=c->buf[arg-2]<<8|c->buf[arg-1];
/* Correct length for explicit IV */
len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
/* If decrypting correct for tag too */
if (!c->encrypt)
len -= EVP_GCM_TLS_TAG_LEN;
c->buf[arg-2] = len>>8;
c->buf[arg-1] = len & 0xff;
}
/* Extra padding: tag appended to record */
return EVP_GCM_TLS_TAG_LEN;
default:
return -1;
}
}
static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
{
BIGNUM *r0=NULL,*r1=NULL,*r2=NULL,*r3=NULL,*tmp;
BIGNUM local_r0,local_d,local_p;
BIGNUM *pr0,*d,*p;
int bitsp,bitsq,ok= -1,n=0;
BN_CTX *ctx=NULL;
#ifdef OPENSSL_FIPS
if(FIPS_selftest_failed())
{
FIPSerr(FIPS_F_RSA_BUILTIN_KEYGEN,FIPS_R_FIPS_SELFTEST_FAILED);
return 0;
}
if (FIPS_module_mode() && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)
&& (bits < OPENSSL_RSA_FIPS_MIN_MODULUS_BITS))
{
FIPSerr(FIPS_F_RSA_BUILTIN_KEYGEN,FIPS_R_KEY_TOO_SHORT);
return 0;
}
if (!fips_check_rsa_prng(rsa, bits))
return 0;
#endif
ctx=BN_CTX_new();
if (ctx == NULL) goto err;
BN_CTX_start(ctx);
r0 = BN_CTX_get(ctx);
r1 = BN_CTX_get(ctx);
r2 = BN_CTX_get(ctx);
r3 = BN_CTX_get(ctx);
if (r3 == NULL) goto err;
bitsp=(bits+1)/2;
bitsq=bits-bitsp;
/* We need the RSA components non-NULL */
if(!rsa->n && ((rsa->n=BN_new()) == NULL)) goto err;
if(!rsa->d && ((rsa->d=BN_new()) == NULL)) goto err;
if(!rsa->e && ((rsa->e=BN_new()) == NULL)) goto err;
if(!rsa->p && ((rsa->p=BN_new()) == NULL)) goto err;
if(!rsa->q && ((rsa->q=BN_new()) == NULL)) goto err;
if(!rsa->dmp1 && ((rsa->dmp1=BN_new()) == NULL)) goto err;
if(!rsa->dmq1 && ((rsa->dmq1=BN_new()) == NULL)) goto err;
if(!rsa->iqmp && ((rsa->iqmp=BN_new()) == NULL)) goto err;
BN_copy(rsa->e, e_value);
/* generate p and q */
for (;;)
{
if(!BN_generate_prime_ex(rsa->p, bitsp, 0, NULL, NULL, cb))
goto err;
if (!BN_sub(r2,rsa->p,BN_value_one())) goto err;
if (!BN_gcd(r1,r2,rsa->e,ctx)) goto err;
if (BN_is_one(r1)) break;
if(!BN_GENCB_call(cb, 2, n++))
goto err;
}
if(!BN_GENCB_call(cb, 3, 0))
goto err;
for (;;)
{
/* When generating ridiculously small keys, we can get stuck
* continually regenerating the same prime values. Check for
* this and bail if it happens 3 times. */
unsigned int degenerate = 0;
do
{
if(!BN_generate_prime_ex(rsa->q, bitsq, 0, NULL, NULL, cb))
goto err;
} while((BN_cmp(rsa->p, rsa->q) == 0) && (++degenerate < 3));
if(degenerate == 3)
{
ok = 0; /* we set our own err */
RSAerr(RSA_F_RSA_BUILTIN_KEYGEN,RSA_R_KEY_SIZE_TOO_SMALL);
goto err;
}
if (!BN_sub(r2,rsa->q,BN_value_one())) goto err;
if (!BN_gcd(r1,r2,rsa->e,ctx)) goto err;
if (BN_is_one(r1))
break;
if(!BN_GENCB_call(cb, 2, n++))
goto err;
}
if(!BN_GENCB_call(cb, 3, 1))
goto err;
if (BN_cmp(rsa->p,rsa->q) < 0)
{
tmp=rsa->p;
rsa->p=rsa->q;
rsa->q=tmp;
}
/* calculate n */
if (!BN_mul(rsa->n,rsa->p,rsa->q,ctx)) goto err;
/* calculate d */
if (!BN_sub(r1,rsa->p,BN_value_one())) goto err; /* p-1 */
if (!BN_sub(r2,rsa->q,BN_value_one())) goto err; /* q-1 */
if (!BN_mul(r0,r1,r2,ctx)) goto err; /* (p-1)(q-1) */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
{
pr0 = &local_r0;
BN_with_flags(pr0, r0, BN_FLG_CONSTTIME);
}
else
pr0 = r0;
if (!BN_mod_inverse(rsa->d,rsa->e,pr0,ctx)) goto err; /* d */
/* set up d for correct BN_FLG_CONSTTIME flag */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
{
d = &local_d;
BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
}
else
d = rsa->d;
/* calculate d mod (p-1) */
if (!BN_mod(rsa->dmp1,d,r1,ctx)) goto err;
/* calculate d mod (q-1) */
if (!BN_mod(rsa->dmq1,d,r2,ctx)) goto err;
/* calculate inverse of q mod p */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
{
p = &local_p;
BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);
}
else
p = rsa->p;
if (!BN_mod_inverse(rsa->iqmp,rsa->q,p,ctx)) goto err;
#ifdef OPENSSL_FIPS
if(!fips_check_rsa(rsa))
goto err;
#endif
ok=1;
err:
if (ok == -1)
{
RSAerr(RSA_F_RSA_BUILTIN_KEYGEN,ERR_LIB_BN);
ok=0;
}
if (ctx != NULL)
{
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
return ok;
}
