// Copyright 2017 The BoringSSL Authors

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     https://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#include <openssl/crypto.h>

#include <stdio.h>

#include <stdlib.h>

#include <openssl/aead.h>

#include <openssl/aes.h>

#include <openssl/bn.h>

#include <openssl/ctrdrbg.h>

#include <openssl/dh.h>

#include <openssl/digest.h>

#include <openssl/ec.h>

#include <openssl/ec_key.h>

#include <openssl/ecdsa.h>

#include <openssl/hkdf.h>

#include <openssl/hmac.h>

#include <openssl/nid.h>

#include <openssl/rsa.h>

#include <openssl/sha.h>

#include "../../bcm_support.h"

#include "../../internal.h"

#include "../delocate.h"

#include "../dh/internal.h"

#include "../ec/internal.h"

#include "../ecdsa/internal.h"

#include "../rand/internal.h"

#include "../rsa/internal.h"

#include "../service_indicator/internal.h"

#include "../tls/internal.h"

static void hexdump(FILE *out, const void *in, size_t len) {

  const uint8_t *in8 = reinterpret_cast<const uint8_t *>(in);

  for (size_t i = 0; i < len; i++) {

    fprintf(out, "%02x", in8[i]);

  }

}

int BORINGSSL_check_test(const void *expected, const void *actual,

                         size_t expected_len, const char *name) {

  if (OPENSSL_memcmp(actual, expected, expected_len) != 0) {

    FILE *err = CRYPTO_get_stderr();

    fprintf(err, "%s failed.\nExpected:   ", name);

    hexdump(err, expected, expected_len);

    fprintf(err, "\nCalculated: ");

    hexdump(err, actual, expected_len);

    fprintf(err, "\n");

    fflush(err);

    return 0;

  }

  return 1;

}

// MSVC wants to put a NUL byte at the end of non-char arrays and so cannot

// compile the real logic.

#if defined(_MSC_VER)

int BORINGSSL_self_test(void) { return 0; }

#else

static int set_bignum(BIGNUM **out, const uint8_t *in, size_t len) {

  *out = BN_bin2bn(in, len, NULL);

  return *out != NULL;

}

static RSA *self_test_rsa_key(void) {

  static const uint8_t kN[] = {

      0xd3, 0x3a, 0x62, 0x9f, 0x07, 0x77, 0xb0, 0x18, 0xf3, 0xff, 0xfe, 0xcc,

      0xc9, 0xa2, 0xc2, 0x3a, 0xa6, 0x1d, 0xd8, 0xf0, 0x26, 0x5b, 0x38, 0x90,

      0x17, 0x48, 0x15, 0xce, 0x21, 0xcd, 0xd6, 0x62, 0x99, 0xe2, 0xd7, 0xda,

      0x40, 0x80, 0x3c, 0xad, 0x18, 0xb7, 0x26, 0xe9, 0x30, 0x8a, 0x23, 0x3f,

      0x68, 0x9a, 0x9c, 0x31, 0x34, 0x91, 0x99, 0x06, 0x11, 0x36, 0xb2, 0x9e,

      0x3a, 0xd0, 0xbc, 0xb9, 0x93, 0x4e, 0xb8, 0x72, 0xa1, 0x9f, 0xb6, 0x8c,

      0xd5, 0x17, 0x1f, 0x7e, 0xaa, 0x75, 0xbb, 0xdf, 0xa1, 0x70, 0x48, 0xc4,

      0xec, 0x9a, 0x51, 0xed, 0x41, 0xc9, 0x74, 0xc0, 0x3e, 0x1e, 0x85, 0x2f,

      0xbe, 0x34, 0xc7, 0x65, 0x34, 0x8b, 0x4d, 0x55, 0x4b, 0xe1, 0x45, 0x54,

      0x0d, 0x75, 0x7e, 0x89, 0x4d, 0x0c, 0xf6, 0x33, 0xe5, 0xfc, 0xfb, 0x56,

      0x1b, 0xf2, 0x39, 0x9d, 0xe0, 0xff, 0x55, 0xcf, 0x02, 0x05, 0xb9, 0x74,

      0xd2, 0x91, 0xfc, 0x87, 0xe1, 0xbb, 0x97, 0x2a, 0xe4, 0xdd, 0x20, 0xc0,

      0x38, 0x47, 0xc0, 0x76, 0x3f, 0xa1, 0x9b, 0x5c, 0x20, 0xff, 0xff, 0xc7,

      0x49, 0x3b, 0x4c, 0xaf, 0x99, 0xa6, 0x3e, 0x82, 0x5c, 0x58, 0x27, 0xce,

      0x01, 0x03, 0xc3, 0x16, 0x35, 0x20, 0xe9, 0xf0, 0x15, 0x7a, 0x41, 0xd5,

      0x1f, 0x52, 0xea, 0xdf, 0xad, 0x4c, 0xbb, 0x0d, 0xcb, 0x04, 0x91, 0xb0,

      0x95, 0xa8, 0xce, 0x25, 0xfd, 0xd2, 0x62, 0x47, 0x77, 0xee, 0x13, 0xf1,

      0x48, 0x72, 0x9e, 0xd9, 0x2d, 0xe6, 0x5f, 0xa4, 0xc6, 0x9e, 0x5a, 0xb2,

      0xc6, 0xa2, 0xf7, 0x0a, 0x16, 0x17, 0xae, 0x6b, 0x1c, 0x30, 0x7c, 0x63,

      0x08, 0x83, 0xe7, 0x43, 0xec, 0x54, 0x5e, 0x2c, 0x08, 0x0b, 0x5e, 0x46,

      0xa7, 0x10, 0x93, 0x43, 0x53, 0x4e, 0xe3, 0x16, 0x73, 0x55, 0xce, 0xf2,

      0x94, 0xc0, 0xbe, 0xb3,

  };

  static const uint8_t kE[] = {0x01, 0x00, 0x01};  // 65537

  static const uint8_t kD[] = {

      0x2f, 0x2c, 0x1e, 0xd2, 0x3d, 0x2c, 0xb1, 0x9b, 0x21, 0x02, 0xce, 0xb8,

      0x95, 0x5f, 0x4f, 0xd9, 0x21, 0x38, 0x11, 0x36, 0xb0, 0x9a, 0x36, 0xab,

      0x97, 0x47, 0x75, 0xf7, 0x2e, 0xfd, 0x75, 0x1f, 0x58, 0x16, 0x9c, 0xf6,

      0x14, 0xe9, 0x8e, 0xa3, 0x69, 0x9d, 0x9d, 0x86, 0xfe, 0x5c, 0x1b, 0x3b,

      0x11, 0xf5, 0x55, 0x64, 0x77, 0xc4, 0xfc, 0x53, 0xaa, 0x8c, 0x78, 0x9f,

      0x75, 0xab, 0x20, 0x3a, 0xa1, 0x77, 0x37, 0x22, 0x02, 0x8e, 0x54, 0x8a,

      0x67, 0x1c, 0x5e, 0xe0, 0x3e, 0xd9, 0x44, 0x37, 0xd1, 0x29, 0xee, 0x56,

      0x6c, 0x30, 0x9a, 0x93, 0x4d, 0xd9, 0xdb, 0xc5, 0x03, 0x1a, 0x75, 0xcc,

      0x0f, 0xc2, 0x61, 0xb5, 0x6c, 0x62, 0x9f, 0xc6, 0xa8, 0xc7, 0x8a, 0x60,

      0x17, 0x11, 0x62, 0x4c, 0xef, 0x74, 0x31, 0x97, 0xad, 0x89, 0x2d, 0xe8,

      0x31, 0x1d, 0x8b, 0x58, 0x82, 0xe3, 0x03, 0x1a, 0x6b, 0xdf, 0x3f, 0x3e,

      0xa4, 0x27, 0x19, 0xef, 0x46, 0x7a, 0x90, 0xdf, 0xa7, 0xe7, 0xc9, 0x66,

      0xab, 0x41, 0x1d, 0x65, 0x78, 0x1c, 0x18, 0x40, 0x5c, 0xd6, 0x87, 0xb5,

      0xea, 0x29, 0x44, 0xb3, 0xf5, 0xb3, 0xd2, 0x4f, 0xce, 0x88, 0x78, 0x49,

      0x27, 0x4e, 0x0b, 0x30, 0x85, 0xfb, 0x73, 0xfd, 0x8b, 0x32, 0x15, 0xee,

      0x1f, 0xc9, 0x0e, 0x89, 0xb9, 0x43, 0x2f, 0xe9, 0x60, 0x8d, 0xda, 0xae,

      0x2b, 0x30, 0x99, 0xee, 0x88, 0x81, 0x20, 0x7b, 0x4a, 0xc3, 0x18, 0xf2,

      0x94, 0x02, 0x79, 0x94, 0xaa, 0x65, 0xd9, 0x1b, 0x45, 0x2a, 0xac, 0x6e,

      0x30, 0x48, 0x57, 0xea, 0xbe, 0x79, 0x7d, 0xfc, 0x67, 0xaa, 0x47, 0xc0,

      0xf7, 0x52, 0xfd, 0x0b, 0x63, 0x4e, 0x3d, 0x2e, 0xcc, 0x36, 0xa0, 0xdb,

      0x92, 0x0b, 0xa9, 0x1b, 0xeb, 0xc2, 0xd5, 0x08, 0xd3, 0x85, 0x87, 0xf8,

      0x5d, 0x1a, 0xf6, 0xc1,

  };

  static const uint8_t kP[] = {

      0xf7, 0x06, 0xa3, 0x98, 0x8a, 0x52, 0xf8, 0x63, 0x68, 0x27, 0x4f, 0x68,

      0x7f, 0x34, 0xec, 0x8e, 0x5d, 0xf8, 0x30, 0x92, 0xb3, 0x62, 0x4c, 0xeb,

      0xdb, 0x19, 0x6b, 0x09, 0xc5, 0xa3, 0xf0, 0xbb, 0xff, 0x0f, 0xc2, 0xd4,

      0x9b, 0xc9, 0x54, 0x4f, 0xb9, 0xf9, 0xe1, 0x4c, 0xf0, 0xe3, 0x4c, 0x90,

      0xda, 0x7a, 0x01, 0xc2, 0x9f, 0xc4, 0xc8, 0x8e, 0xb1, 0x1e, 0x93, 0x75,

      0x75, 0xc6, 0x13, 0x25, 0xc3, 0xee, 0x3b, 0xcc, 0xb8, 0x72, 0x6c, 0x49,

      0xb0, 0x09, 0xfb, 0xab, 0x44, 0xeb, 0x4d, 0x40, 0xf0, 0x61, 0x6b, 0xe5,

      0xe6, 0xfe, 0x3e, 0x0a, 0x77, 0x26, 0x39, 0x76, 0x3d, 0x4c, 0x3e, 0x9b,

      0x5b, 0xc0, 0xaf, 0xa2, 0x58, 0x76, 0xb0, 0xe9, 0xda, 0x7f, 0x0e, 0x78,

      0xc9, 0x76, 0x49, 0x5c, 0xfa, 0xb3, 0xb0, 0x15, 0x4b, 0x41, 0xc7, 0x27,

      0xa4, 0x75, 0x28, 0x5c, 0x30, 0x69, 0x50, 0x29,

  };

  static const uint8_t kQ[] = {

      0xda, 0xe6, 0xd2, 0xbb, 0x44, 0xff, 0x4f, 0xdf, 0x57, 0xc1, 0x11, 0xa3,

      0x51, 0xba, 0x17, 0x89, 0x4c, 0x01, 0xc0, 0x0c, 0x97, 0x34, 0x50, 0xcf,

      0x32, 0x1e, 0xc0, 0xbd, 0x7b, 0x35, 0xb5, 0x6a, 0x26, 0xcc, 0xea, 0x4c,

      0x8e, 0x87, 0x4a, 0x67, 0x8b, 0xd3, 0xe5, 0x4f, 0x3a, 0x60, 0x48, 0x59,

      0x04, 0x93, 0x39, 0xd7, 0x7c, 0xfb, 0x19, 0x1a, 0x34, 0xd5, 0xe8, 0xaf,

      0xe7, 0x22, 0x2c, 0x0d, 0xc2, 0x91, 0x69, 0xb6, 0xe9, 0x2a, 0xe9, 0x1c,

      0x4c, 0x6e, 0x8f, 0x40, 0xf5, 0xa8, 0x3e, 0x82, 0x69, 0x69, 0xbe, 0x9f,

      0x7d, 0x5c, 0x7f, 0x92, 0x78, 0x17, 0xa3, 0x6d, 0x41, 0x2d, 0x72, 0xed,

      0x3f, 0x71, 0xfa, 0x97, 0xb4, 0x63, 0xe4, 0x4f, 0xd9, 0x46, 0x03, 0xfb,

      0x00, 0xeb, 0x30, 0x70, 0xb9, 0x51, 0xd9, 0x0a, 0xd2, 0xf8, 0x50, 0xd4,

      0xfb, 0x43, 0x84, 0xf8, 0xac, 0x58, 0xc3, 0x7b,

  };

  static const uint8_t kDModPMinusOne[] = {

      0xf5, 0x50, 0x8f, 0x88, 0x7d, 0xdd, 0xb5, 0xb4, 0x2a, 0x8b, 0xd7, 0x4d,

      0x23, 0xfe, 0xaf, 0xe9, 0x16, 0x22, 0xd2, 0x41, 0xed, 0x88, 0xf2, 0x70,

      0xcb, 0x4d, 0xeb, 0xc1, 0x71, 0x97, 0xc4, 0x0b, 0x3e, 0x5a, 0x2d, 0x96,

      0xab, 0xfa, 0xfd, 0x12, 0x8b, 0xd3, 0x3e, 0x4e, 0x05, 0x6f, 0x04, 0xeb,

      0x59, 0x3c, 0x0e, 0xa1, 0x73, 0xbe, 0x9d, 0x99, 0x2f, 0x05, 0xf9, 0x54,

      0x8d, 0x98, 0x1e, 0x0d, 0xc4, 0x0c, 0xc3, 0x30, 0x23, 0xff, 0xe5, 0xd0,

      0x2b, 0xd5, 0x4e, 0x2b, 0xa0, 0xae, 0xb8, 0x32, 0x84, 0x45, 0x8b, 0x3c,

      0x6d, 0xf0, 0x10, 0x36, 0x9e, 0x6a, 0xc4, 0x67, 0xca, 0xa9, 0xfc, 0x06,

      0x96, 0xd0, 0xbc, 0xda, 0xd1, 0x55, 0x55, 0x8d, 0x77, 0x21, 0xf4, 0x82,

      0x39, 0x37, 0x91, 0xd5, 0x97, 0x56, 0x78, 0xc8, 0x3c, 0xcb, 0x5e, 0xf6,

      0xdc, 0x58, 0x48, 0xb3, 0x7c, 0x94, 0x29, 0x39,

  };

  static const uint8_t kDModQMinusOne[] = {

      0x64, 0x65, 0xbd, 0x7d, 0x1a, 0x96, 0x26, 0xa1, 0xfe, 0xf3, 0x94, 0x0d,

      0x5d, 0xec, 0x85, 0xe2, 0xf8, 0xb3, 0x4c, 0xcb, 0xf9, 0x85, 0x8b, 0x12,

      0x9c, 0xa0, 0x32, 0x32, 0x35, 0x92, 0x5a, 0x94, 0x47, 0x1b, 0x70, 0xd2,

      0x90, 0x04, 0x49, 0x01, 0xd8, 0xc5, 0xe4, 0xc4, 0x43, 0xb7, 0xe9, 0x36,

      0xba, 0xbc, 0x73, 0xa8, 0xfb, 0xaf, 0x86, 0xc1, 0xd8, 0x3d, 0xcb, 0xac,

      0xf1, 0xcb, 0x60, 0x7d, 0x27, 0x21, 0xde, 0x64, 0x7f, 0xe8, 0xa8, 0x65,

      0xcc, 0x40, 0x60, 0xff, 0xa0, 0x2b, 0xfc, 0x0f, 0x80, 0x1d, 0x79, 0xca,

      0x58, 0x8a, 0xd6, 0x0f, 0xed, 0x78, 0x9a, 0x02, 0x00, 0x04, 0xc2, 0x53,

      0x41, 0xe8, 0x1a, 0xd0, 0xfd, 0x71, 0x5b, 0x43, 0xac, 0x19, 0x4a, 0xb6,

      0x12, 0xa3, 0xcb, 0xe1, 0xc7, 0x7d, 0x5c, 0x98, 0x74, 0x4e, 0x63, 0x74,

      0x6b, 0x91, 0x7a, 0x29, 0x3b, 0x92, 0xb2, 0x85,

  };

  static const uint8_t kQInverseModP[] = {

      0xd0, 0xde, 0x19, 0xda, 0x1e, 0xa2, 0xd8, 0x8f, 0x1c, 0x92, 0x73, 0xb0,

      0xc9, 0x90, 0xc7, 0xf5, 0xec, 0xc5, 0x89, 0x01, 0x05, 0x78, 0x11, 0x2d,

      0x74, 0x34, 0x44, 0xad, 0xd5, 0xf7, 0xa4, 0xfe, 0x9f, 0x25, 0x4d, 0x0b,

      0x92, 0xe3, 0xb8, 0x7d, 0xd3, 0xfd, 0xa5, 0xca, 0x95, 0x60, 0xa3, 0xf9,

      0x55, 0x42, 0x14, 0xb2, 0x45, 0x51, 0x9f, 0x73, 0x88, 0x43, 0x8a, 0xd1,

      0x65, 0x9e, 0xd1, 0xf7, 0x82, 0x2a, 0x2a, 0x8d, 0x70, 0x56, 0xe3, 0xef,

      0xc9, 0x0e, 0x2a, 0x2c, 0x15, 0xaf, 0x7f, 0x97, 0x81, 0x66, 0xf3, 0xb5,

      0x00, 0xa9, 0x26, 0xcc, 0x1e, 0xc2, 0x98, 0xdd, 0xd3, 0x37, 0x06, 0x79,

      0xb3, 0x60, 0x58, 0x79, 0x99, 0x3f, 0xa3, 0x15, 0x1f, 0x31, 0xe3, 0x11,

      0x88, 0x4c, 0x35, 0x57, 0xfa, 0x79, 0xd7, 0xd8, 0x72, 0xee, 0x73, 0x95,

      0x89, 0x29, 0xc7, 0x05, 0x27, 0x68, 0x90, 0x15,

  };

  RSA *rsa = RSA_new();

  if (rsa == NULL ||  //

      !set_bignum(&rsa->n, kN, sizeof(kN)) ||

      !set_bignum(&rsa->e, kE, sizeof(kE)) ||

      !set_bignum(&rsa->d, kD, sizeof(kD)) ||

      !set_bignum(&rsa->p, kP, sizeof(kP)) ||

      !set_bignum(&rsa->q, kQ, sizeof(kQ)) ||

      !set_bignum(&rsa->dmp1, kDModPMinusOne, sizeof(kDModPMinusOne)) ||

      !set_bignum(&rsa->dmq1, kDModQMinusOne, sizeof(kDModQMinusOne)) ||

      !set_bignum(&rsa->iqmp, kQInverseModP, sizeof(kQInverseModP))) {

    RSA_free(rsa);

    return NULL;

  }

  return rsa;

}

static EC_KEY *self_test_ecdsa_key(void) {

  static const uint8_t kQx[] = {

      0xc8, 0x15, 0x61, 0xec, 0xf2, 0xe5, 0x4e, 0xde, 0xfe, 0x66, 0x17,

      0xdb, 0x1c, 0x7a, 0x34, 0xa7, 0x07, 0x44, 0xdd, 0xb2, 0x61, 0xf2,

      0x69, 0xb8, 0x3d, 0xac, 0xfc, 0xd2, 0xad, 0xe5, 0xa6, 0x81,

  };

  static const uint8_t kQy[] = {

      0xe0, 0xe2, 0xaf, 0xa3, 0xf9, 0xb6, 0xab, 0xe4, 0xc6, 0x98, 0xef,

      0x64, 0x95, 0xf1, 0xbe, 0x49, 0xa3, 0x19, 0x6c, 0x50, 0x56, 0xac,

      0xb3, 0x76, 0x3f, 0xe4, 0x50, 0x7e, 0xec, 0x59, 0x6e, 0x88,

  };

  static const uint8_t kD[] = {

      0xc6, 0xc1, 0xaa, 0xda, 0x15, 0xb0, 0x76, 0x61, 0xf8, 0x14, 0x2c,

      0x6c, 0xaf, 0x0f, 0xdb, 0x24, 0x1a, 0xff, 0x2e, 0xfe, 0x46, 0xc0,

      0x93, 0x8b, 0x74, 0xf2, 0xbc, 0xc5, 0x30, 0x52, 0xb0, 0x77,

  };

  EC_KEY *ec_key = EC_KEY_new();

  BIGNUM *qx = BN_bin2bn(kQx, sizeof(kQx), NULL);

  BIGNUM *qy = BN_bin2bn(kQy, sizeof(kQy), NULL);

  BIGNUM *d = BN_bin2bn(kD, sizeof(kD), NULL);

  if (ec_key == NULL || qx == NULL || qy == NULL || d == NULL ||

      !EC_KEY_set_group(ec_key, EC_group_p256()) ||

      !EC_KEY_set_public_key_affine_coordinates(ec_key, qx, qy) ||

      !EC_KEY_set_private_key(ec_key, d)) {

    EC_KEY_free(ec_key);

    ec_key = NULL;

  }

  BN_free(qx);

  BN_free(qy);

  BN_free(d);

  return ec_key;

}

static DH *self_test_dh(void) {

  DH *dh = DH_get_rfc7919_2048();

  if (!dh) {

    return NULL;

  }

  BIGNUM *priv = BN_new();

  if (!priv) {

    goto err;

  }

  // kFFDHE2048PrivateKeyData is a 225-bit value. (225 because that's the

  // minimum private key size in

  // https://tools.ietf.org/html/rfc7919#appendix-A.1.)

  static const BN_ULONG kFFDHE2048PrivateKeyData[] = {

      TOBN(0x187be36b, 0xd38a4fa1),

      TOBN(0x0a152f39, 0x6458f3b8),

      TOBN(0x0570187e, 0xc422eeb7),

      TOBN(0x00000001, 0x91173f2a),

  };

  bn_set_static_words(priv, kFFDHE2048PrivateKeyData,

                      OPENSSL_ARRAY_SIZE(kFFDHE2048PrivateKeyData));

  if (!DH_set0_key(dh, NULL, priv)) {

    goto err;

  }

  return dh;

err:

  BN_free(priv);

  DH_free(dh);

  return NULL;

}

// Lazy self-tests

//

// Self tests that are slow are deferred until the corresponding algorithm is

// actually exercised, in FIPS mode. (In non-FIPS mode these tests are only run

// when requested by |BORINGSSL_self_test|.)

static int boringssl_self_test_rsa(void) {

  int ret = 0;

  uint8_t output[256];

  RSA *const rsa_key = self_test_rsa_key();

  if (rsa_key == NULL) {

    fprintf(CRYPTO_get_stderr(), "RSA key construction failed\n");

    goto err;

  }

  // Disable blinding for the power-on tests because it's not needed and

  // triggers an entropy draw.

  rsa_key->flags |= RSA_FLAG_NO_BLINDING;

  // RSA Sign KAT

  static const uint8_t kRSASignDigest[32] = {

      0xd2, 0xb5, 0x6e, 0x53, 0x30, 0x6f, 0x72, 0x0d, 0x79, 0x29, 0xd8,

      0x70, 0x8b, 0xf4, 0x6f, 0x1c, 0x22, 0x30, 0x03, 0x05, 0x58, 0x2b,

      0x11, 0x5b, 0xed, 0xca, 0xc7, 0x22, 0xd8, 0xaa, 0x5a, 0xb2,

  };

  static const uint8_t kRSASignSignature[256] = {

      0x64, 0xce, 0xdd, 0x91, 0x27, 0xb0, 0x4f, 0xb9, 0x14, 0xea, 0xc0, 0xb4,

      0xa2, 0x06, 0xc5, 0xd8, 0x40, 0x0f, 0x6c, 0x54, 0xac, 0xf7, 0x02, 0xde,

      0x26, 0xbb, 0xfd, 0x33, 0xe5, 0x2f, 0x4d, 0xb1, 0x53, 0xc4, 0xff, 0xd0,

      0x5f, 0xea, 0x15, 0x89, 0x83, 0x4c, 0xe3, 0x80, 0x0b, 0xe9, 0x13, 0x82,

      0x1d, 0x71, 0x92, 0x1a, 0x03, 0x60, 0x2c, 0xaf, 0xe2, 0x16, 0xc7, 0x43,

      0x3f, 0xde, 0x6b, 0x94, 0xfd, 0x6e, 0x08, 0x7b, 0x11, 0xf1, 0x34, 0x52,

      0xe5, 0xc0, 0x97, 0x66, 0x4a, 0xe0, 0x91, 0x45, 0xc8, 0xb1, 0x3d, 0x6a,

      0x54, 0xc1, 0x32, 0x0f, 0x32, 0xad, 0x25, 0x11, 0x3e, 0x49, 0xad, 0x41,

      0xce, 0x7b, 0xca, 0x95, 0x6b, 0x54, 0x5e, 0x86, 0x1b, 0xce, 0xfa, 0x2a,

      0x60, 0xe8, 0xfa, 0xbb, 0x23, 0xb2, 0x41, 0xbc, 0x7c, 0x98, 0xec, 0x73,

      0x20, 0xed, 0xb3, 0xcf, 0xab, 0x07, 0x24, 0x85, 0x6a, 0x2a, 0x61, 0x76,

      0x28, 0xf8, 0x00, 0x80, 0xeb, 0xd9, 0x3a, 0x63, 0xe2, 0x01, 0xb1, 0xee,

      0x6d, 0xe9, 0x73, 0xe9, 0xb6, 0x75, 0x2e, 0xf9, 0x81, 0xd9, 0xa8, 0x79,

      0xf6, 0x8f, 0xe3, 0x02, 0x7d, 0xf6, 0xea, 0xdc, 0x35, 0xe4, 0x62, 0x0d,

      0x91, 0xba, 0x3e, 0x7d, 0x8b, 0x82, 0xbf, 0x15, 0x74, 0x6a, 0x4e, 0x29,

      0xf8, 0x9b, 0x2c, 0x94, 0x8d, 0xa7, 0x00, 0x4d, 0x7b, 0xbf, 0x35, 0x07,

      0xeb, 0xdd, 0x10, 0xef, 0xd5, 0x2f, 0xe6, 0x98, 0x4b, 0x7e, 0x24, 0x80,

      0xe2, 0x01, 0xf2, 0x66, 0xb7, 0xd3, 0x93, 0xfe, 0x2a, 0xb3, 0x74, 0xed,

      0xec, 0x4b, 0xb1, 0x5f, 0x5f, 0xee, 0x85, 0x44, 0xa7, 0x26, 0xdf, 0xc1,

      0x2e, 0x7a, 0xf3, 0xa5, 0x8f, 0xf8, 0x64, 0xda, 0x65, 0xad, 0x91, 0xe2,

      0x90, 0x94, 0x20, 0x16, 0xb8, 0x61, 0xa5, 0x0a, 0x7d, 0xb4, 0xbf, 0xc0,

      0x10, 0xaf, 0x72, 0x67,

  };

  unsigned sig_len;

  if (!rsa_sign_no_self_test(NID_sha256, kRSASignDigest, sizeof(kRSASignDigest),

                             output, &sig_len, rsa_key) ||

      !BORINGSSL_check_test(kRSASignSignature, output,

                            sizeof(kRSASignSignature), "RSA-sign KAT")) {

    fprintf(CRYPTO_get_stderr(), "RSA signing test failed.\n");

    goto err;

  }

  // RSA Verify KAT

  static const uint8_t kRSAVerifyDigest[32] = {

      0x09, 0x65, 0x2f, 0xd8, 0xed, 0x9d, 0xc2, 0x6d, 0xbc, 0xbf, 0xf2,

      0xa7, 0xa5, 0xed, 0xe1, 0x37, 0x13, 0x78, 0x21, 0x36, 0xcf, 0x8d,

      0x22, 0x3d, 0xab, 0x93, 0xb4, 0x12, 0xa8, 0xb5, 0x15, 0x53,

  };

  static const uint8_t kRSAVerifySignature[256] = {

      0xab, 0xe2, 0xcb, 0xc1, 0x3d, 0x6b, 0xd3, 0x9d, 0x48, 0xdb, 0x53, 0x34,

      0xdd, 0xbf, 0x8d, 0x07, 0x0a, 0x93, 0xbd, 0xcb, 0x10, 0x4e, 0x2c, 0xc5,

      0xd0, 0xee, 0x48, 0x6e, 0xe2, 0x95, 0xf6, 0xb3, 0x1b, 0xda, 0x12, 0x6c,

      0x41, 0x89, 0x0b, 0x98, 0xb7, 0x3e, 0x70, 0xe6, 0xb6, 0x5d, 0x82, 0xf9,

      0x5c, 0x66, 0x31, 0x21, 0x75, 0x5a, 0x90, 0x74, 0x4c, 0x8d, 0x1c, 0x21,

      0x14, 0x8a, 0x19, 0x60, 0xbe, 0x0e, 0xca, 0x44, 0x6e, 0x9f, 0xf4, 0x97,

      0xf1, 0x34, 0x5c, 0x53, 0x7e, 0xf8, 0x11, 0x9b, 0x9a, 0x43, 0x98, 0xe9,

      0x5c, 0x5c, 0x6d, 0xe2, 0xb1, 0xc9, 0x55, 0x90, 0x5c, 0x52, 0x99, 0xd8,

      0xce, 0x7a, 0x3b, 0x6a, 0xb7, 0x63, 0x80, 0xd9, 0xba, 0xbd, 0xd1, 0x5f,

      0x61, 0x02, 0x37, 0xe1, 0xf3, 0xf2, 0xaa, 0x1c, 0x1f, 0x1e, 0x77, 0x0b,

      0x62, 0xfb, 0xb5, 0x96, 0x38, 0x1b, 0x2e, 0xbd, 0xd7, 0x7e, 0xce, 0xf9,

      0xc9, 0x0d, 0x4c, 0x92, 0xf7, 0xb6, 0xb0, 0x5f, 0xed, 0x29, 0x36, 0x28,

      0x5f, 0xa9, 0x48, 0x26, 0xe6, 0x20, 0x55, 0x32, 0x2a, 0x33, 0xb6, 0xf0,

      0x4c, 0x74, 0xce, 0x69, 0xe5, 0xd8, 0xd7, 0x37, 0xfb, 0x83, 0x8b, 0x79,

      0xd2, 0xd4, 0x8e, 0x3d, 0xaf, 0x71, 0x38, 0x75, 0x31, 0x88, 0x25, 0x31,

      0xa9, 0x5a, 0xc9, 0x64, 0xd0, 0x2e, 0xa4, 0x13, 0xbf, 0x85, 0x95, 0x29,

      0x82, 0xbb, 0xc0, 0x89, 0x52, 0x7d, 0xaf, 0xf5, 0xb8, 0x45, 0xc9, 0xa0,

      0xf4, 0xd1, 0x4e, 0xf1, 0x95, 0x6d, 0x9c, 0x3a, 0xca, 0xe8, 0x82, 0xd1,

      0x2d, 0xa6, 0x6d, 0xa0, 0xf3, 0x57, 0x94, 0xf5, 0xee, 0x32, 0x23, 0x23,

      0x33, 0x51, 0x7d, 0xb9, 0x31, 0x52, 0x32, 0xa1, 0x83, 0xb9, 0x91, 0x65,

      0x4d, 0xbe, 0xa4, 0x16, 0x15, 0x34, 0x5c, 0x88, 0x53, 0x25, 0x92, 0x67,

      0x44, 0xa5, 0x39, 0x15,

  };

  if (!rsa_verify_no_self_test(NID_sha256, kRSAVerifyDigest,

                               sizeof(kRSAVerifyDigest), kRSAVerifySignature,

                               sizeof(kRSAVerifySignature), rsa_key)) {

    fprintf(CRYPTO_get_stderr(), "RSA-verify KAT failed.\n");

    goto err;

  }

  ret = 1;

err:

  RSA_free(rsa_key);

  return ret;

}

static int boringssl_self_test_ecc(void) {

  int ret = 0;

  EC_KEY *ec_key = NULL;

  EC_POINT *ec_point_in = NULL;

  EC_POINT *ec_point_out = NULL;

  BIGNUM *ec_scalar = NULL;

  const EC_GROUP *ec_group = NULL;

  // The 'k' value for ECDSA is fixed to avoid an entropy draw.

  uint8_t ecdsa_k[32] = {0};

  ecdsa_k[31] = 42;

  ec_key = self_test_ecdsa_key();

  if (ec_key == NULL) {

    fprintf(CRYPTO_get_stderr(), "ECDSA KeyGen failed\n");

    goto err;

  }

  // ECDSA Sign/Verify KAT

  static const uint8_t kECDSASignDigest[32] = {

      0x1e, 0x35, 0x93, 0x0b, 0xe8, 0x60, 0xd0, 0x94, 0x2c, 0xa7, 0xbb,

      0xd6, 0xf6, 0xde, 0xd8, 0x7f, 0x15, 0x7e, 0x4d, 0xe2, 0x4f, 0x81,

      0xed, 0x4b, 0x87, 0x5c, 0x0e, 0x01, 0x8e, 0x89, 0xa8, 0x1f,

  };

  static const uint8_t kECDSASignSig[64] = {

      0x67, 0x80, 0xc5, 0xfc, 0x70, 0x27, 0x5e, 0x2c, 0x70, 0x61, 0xa0,

      0xe7, 0x87, 0x7b, 0xb1, 0x74, 0xde, 0xad, 0xeb, 0x98, 0x87, 0x02,

      0x7f, 0x3f, 0xa8, 0x36, 0x54, 0x15, 0x8b, 0xa7, 0xf5, 0x0c, 0x68,

      0x04, 0x73, 0x40, 0x94, 0xb2, 0xd1, 0x90, 0xac, 0x2d, 0x0c, 0xd7,

      0xa5, 0x7f, 0x2f, 0x2e, 0xb2, 0x62, 0xb0, 0x09, 0x16, 0xe1, 0xa6,

      0x70, 0xb5, 0xbb, 0x0d, 0xfd, 0x8e, 0x0c, 0x02, 0x3f,

  };

  uint8_t ecdsa_sign_output[64];

  size_t ecdsa_sign_output_len;

  if (!ecdsa_sign_fixed_with_nonce_for_known_answer_test(

          kECDSASignDigest, sizeof(kECDSASignDigest), ecdsa_sign_output,

          &ecdsa_sign_output_len, sizeof(ecdsa_sign_output), ec_key, ecdsa_k,

          sizeof(ecdsa_k)) ||

      !BORINGSSL_check_test(kECDSASignSig, ecdsa_sign_output,

                            sizeof(ecdsa_sign_output),

                            "ECDSA-sign signature")) {

    fprintf(CRYPTO_get_stderr(), "ECDSA-sign KAT failed.\n");

    goto err;

  }

  static const uint8_t kECDSAVerifyDigest[32] = {

      0x78, 0x7c, 0x50, 0x5c, 0x60, 0xc9, 0xe4, 0x13, 0x6c, 0xe4, 0x48,

      0xba, 0x93, 0xff, 0x71, 0xfa, 0x9c, 0x18, 0xf4, 0x17, 0x09, 0x4f,

      0xdf, 0x5a, 0xe2, 0x75, 0xc0, 0xcc, 0xd2, 0x67, 0x97, 0xad,

  };

  static const uint8_t kECDSAVerifySig[64] = {

      0x67, 0x80, 0xc5, 0xfc, 0x70, 0x27, 0x5e, 0x2c, 0x70, 0x61, 0xa0,

      0xe7, 0x87, 0x7b, 0xb1, 0x74, 0xde, 0xad, 0xeb, 0x98, 0x87, 0x02,

      0x7f, 0x3f, 0xa8, 0x36, 0x54, 0x15, 0x8b, 0xa7, 0xf5, 0x0c, 0x2d,

      0x36, 0xe5, 0x79, 0x97, 0x90, 0xbf, 0xbe, 0x21, 0x83, 0xd3, 0x3e,

      0x96, 0xf3, 0xc5, 0x1f, 0x6a, 0x23, 0x2f, 0x2a, 0x24, 0x48, 0x8c,

      0x8e, 0x5f, 0x64, 0xc3, 0x7e, 0xa2, 0xcf, 0x05, 0x29,

  };

  if (!ecdsa_verify_fixed_no_self_test(

          kECDSAVerifyDigest, sizeof(kECDSAVerifyDigest), kECDSAVerifySig,

          sizeof(kECDSAVerifySig), ec_key)) {

    fprintf(CRYPTO_get_stderr(), "ECDSA-verify KAT failed.\n");

    goto err;

  }

  // Primitive Z Computation KAT (IG 9.6).

  // kP256Point is SHA256("Primitive Z Computation KAT")×G within P-256.

  static const uint8_t kP256Point[65] = {

      0x04, 0x4e, 0xc1, 0x94, 0x8c, 0x5c, 0xf4, 0x37, 0x35, 0x0d, 0xa3,

      0xf9, 0x55, 0xf9, 0x8b, 0x26, 0x23, 0x5c, 0x43, 0xe0, 0x83, 0x51,

      0x2b, 0x0d, 0x4b, 0x56, 0x24, 0xc3, 0xe4, 0xa5, 0xa8, 0xe2, 0xe9,

      0x95, 0xf2, 0xc4, 0xb9, 0xb7, 0x48, 0x7d, 0x2a, 0xae, 0xc5, 0xc0,

      0x0a, 0xcc, 0x1b, 0xd0, 0xec, 0xb8, 0xdc, 0xbe, 0x0c, 0xbe, 0x52,

      0x79, 0x93, 0x7c, 0x0b, 0x92, 0x2b, 0x7f, 0x17, 0xa5, 0x80,

  };

  // kP256Scalar is SHA256("Primitive Z Computation KAT scalar").

  static const uint8_t kP256Scalar[32] = {

      0xe7, 0x60, 0x44, 0x91, 0x26, 0x9a, 0xfb, 0x5b, 0x10, 0x2d, 0x6e,

      0xa5, 0x2c, 0xb5, 0x9f, 0xeb, 0x70, 0xae, 0xde, 0x6c, 0xe3, 0xbf,

      0xb3, 0xe0, 0x10, 0x54, 0x85, 0xab, 0xd8, 0x61, 0xd7, 0x7b,

  };

  // kP256PointResult is |kP256Scalar|×|kP256Point|.

  static const uint8_t kP256PointResult[65] = {

      0x04, 0xf1, 0x63, 0x00, 0x88, 0xc5, 0xd5, 0xe9, 0x05, 0x52, 0xac,

      0xb6, 0xec, 0x68, 0x76, 0xb8, 0x73, 0x7f, 0x0f, 0x72, 0x34, 0xe6,

      0xbb, 0x30, 0x32, 0x22, 0x37, 0xb6, 0x2a, 0x80, 0xe8, 0x9e, 0x6e,

      0x6f, 0x36, 0x02, 0xe7, 0x21, 0xd2, 0x31, 0xdb, 0x94, 0x63, 0xb7,

      0xd8, 0x19, 0x0e, 0xc2, 0xc0, 0xa7, 0x2f, 0x15, 0x49, 0x1a, 0xa2,

      0x7c, 0x41, 0x8f, 0xaf, 0x9c, 0x40, 0xaf, 0x2e, 0x4a, 0x0c,

  };

  ec_group = EC_group_p256();

  ec_point_in = EC_POINT_new(ec_group);

  ec_point_out = EC_POINT_new(ec_group);

  ec_scalar = BN_new();

  uint8_t z_comp_result[65];

  if (ec_point_in == NULL || ec_point_out == NULL || ec_scalar == NULL ||

      !EC_POINT_oct2point(ec_group, ec_point_in, kP256Point, sizeof(kP256Point),

                          NULL) ||

      !BN_bin2bn(kP256Scalar, sizeof(kP256Scalar), ec_scalar) ||

      !ec_point_mul_no_self_test(ec_group, ec_point_out, NULL, ec_point_in,

                                 ec_scalar, NULL) ||

      !EC_POINT_point2oct(ec_group, ec_point_out, POINT_CONVERSION_UNCOMPRESSED,

                          z_comp_result, sizeof(z_comp_result), NULL) ||

      !BORINGSSL_check_test(kP256PointResult, z_comp_result,

                            sizeof(z_comp_result), "Z Computation Result")) {

    fprintf(CRYPTO_get_stderr(), "Z-computation KAT failed.\n");

    goto err;

  }

  ret = 1;

err:

  EC_KEY_free(ec_key);

  EC_POINT_free(ec_point_in);

  EC_POINT_free(ec_point_out);

  BN_free(ec_scalar);

  return ret;

}

static int boringssl_self_test_ffdh(void) {

  int ret = 0;

  DH *dh = NULL;

  BIGNUM *ffdhe2048_value = NULL;

  // FFC Diffie-Hellman KAT

  // kFFDHE2048PublicValueData is an arbitrary public value, mod

  // kFFDHE2048Data. (The private key happens to be 4096.)

  static const BN_ULONG kFFDHE2048PublicValueData[] = {

      TOBN(0x187be36b, 0xd38a4fa1), TOBN(0x0a152f39, 0x6458f3b8),

      TOBN(0x0570187e, 0xc422eeb7), TOBN(0x18af7482, 0x91173f2a),

      TOBN(0xe9fdac6a, 0xcff4eaaa), TOBN(0xf6afebb7, 0x6e589d6c),

      TOBN(0xf92f8e9a, 0xb7e33fb0), TOBN(0x70acf2aa, 0x4cf36ddd),

      TOBN(0x561ab426, 0xd07137fd), TOBN(0x5f57d037, 0x430ee91e),

      TOBN(0xe3e768c8, 0x60d10b8a), TOBN(0xb14884d8, 0xa18af8ce),

      TOBN(0xf8a98014, 0xa12b74e4), TOBN(0x748d407c, 0x3437b7a8),

      TOBN(0x627588c4, 0x9875d5a7), TOBN(0xdd24a127, 0x53c8f09d),

      TOBN(0x85a997d5, 0x0cd51aec), TOBN(0x44f0c619, 0xce348458),

      TOBN(0x9b894b24, 0x5f6b69a1), TOBN(0xae1302f2, 0xf6d4777e),

      TOBN(0xe6678eeb, 0x375db18e), TOBN(0x2674e1d6, 0x4fbcbdc8),

      TOBN(0xb297a823, 0x6fa93d28), TOBN(0x6a12fb70, 0x7c8c0510),

      TOBN(0x5c6d1aeb, 0xdb06f65b), TOBN(0xe8c2954e, 0x4c1804ca),

      TOBN(0x06bdeac1, 0xf5500fa7), TOBN(0x6a315604, 0x189cd76b),

      TOBN(0xbae7b0b3, 0x6e362dc0), TOBN(0xa57c73bd, 0xdc70fb82),

      TOBN(0xfaff50d2, 0x9d573457), TOBN(0x352bd399, 0xbe84058e),

  };

  static const uint8_t kDHOutput[2048 / 8] = {

      0x2a, 0xe6, 0xd3, 0xa6, 0x13, 0x58, 0x8e, 0xce, 0x53, 0xaa, 0xf6, 0x5d,

      0x9a, 0xae, 0x02, 0x12, 0xf5, 0x80, 0x3d, 0x06, 0x09, 0x76, 0xac, 0x57,

      0x37, 0x9e, 0xab, 0x38, 0x62, 0x25, 0x05, 0x1d, 0xf3, 0xa9, 0x39, 0x60,

      0xf6, 0xae, 0x90, 0xed, 0x1e, 0xad, 0x6e, 0xe9, 0xe3, 0xba, 0x27, 0xf6,

      0xdb, 0x54, 0xdf, 0xe2, 0xbd, 0xbb, 0x7f, 0xf1, 0x81, 0xac, 0x1a, 0xfa,

      0xdb, 0x87, 0x07, 0x98, 0x76, 0x90, 0x21, 0xf2, 0xae, 0xda, 0x0d, 0x84,

      0x97, 0x64, 0x0b, 0xbf, 0xb8, 0x8d, 0x10, 0x46, 0xe2, 0xd5, 0xca, 0x1b,

      0xbb, 0xe5, 0x37, 0xb2, 0x3b, 0x35, 0xd3, 0x1b, 0x65, 0xea, 0xae, 0xf2,

      0x03, 0xe2, 0xb6, 0xde, 0x22, 0xb7, 0x86, 0x49, 0x79, 0xfe, 0xd7, 0x16,

      0xf7, 0xdc, 0x9c, 0x59, 0xf5, 0xb7, 0x70, 0xc0, 0x53, 0x42, 0x6f, 0xb1,

      0xd2, 0x4e, 0x00, 0x25, 0x4b, 0x2d, 0x5a, 0x9b, 0xd0, 0xe9, 0x27, 0x43,

      0xcc, 0x00, 0x66, 0xea, 0x94, 0x7a, 0x0b, 0xb9, 0x89, 0x0c, 0x5e, 0x94,

      0xb8, 0x3a, 0x78, 0x9c, 0x4d, 0x84, 0xe6, 0x32, 0x2c, 0x38, 0x7c, 0xf7,

      0x43, 0x9c, 0xd8, 0xb8, 0x1c, 0xce, 0x24, 0x91, 0x20, 0x67, 0x7a, 0x54,

      0x1f, 0x7e, 0x86, 0x7f, 0xa1, 0xc1, 0x03, 0x4e, 0x2c, 0x26, 0x71, 0xb2,

      0x06, 0x30, 0xb3, 0x6c, 0x15, 0xcc, 0xac, 0x25, 0xe5, 0x37, 0x3f, 0x24,

      0x8f, 0x2a, 0x89, 0x5e, 0x3d, 0x43, 0x94, 0xc9, 0x36, 0xae, 0x40, 0x00,

      0x6a, 0x0d, 0xb0, 0x6e, 0x8b, 0x2e, 0x70, 0x57, 0xe1, 0x88, 0x53, 0xd6,

      0x06, 0x80, 0x2a, 0x4e, 0x5a, 0xf0, 0x1e, 0xaa, 0xcb, 0xab, 0x06, 0x0e,

      0x27, 0x0f, 0xd9, 0x88, 0xd9, 0x01, 0xe3, 0x07, 0xeb, 0xdf, 0xc3, 0x12,

      0xe3, 0x40, 0x88, 0x7b, 0x5f, 0x59, 0x78, 0x6e, 0x26, 0x20, 0xc3, 0xdf,

      0xc8, 0xe4, 0x5e, 0xb8,

  };

  ffdhe2048_value = BN_new();

  if (ffdhe2048_value) {

    bn_set_static_words(ffdhe2048_value, kFFDHE2048PublicValueData,

                        OPENSSL_ARRAY_SIZE(kFFDHE2048PublicValueData));

  }

  dh = self_test_dh();

  uint8_t dh_out[sizeof(kDHOutput)];

  if (dh == NULL || ffdhe2048_value == NULL || sizeof(dh_out) != DH_size(dh) ||

      dh_compute_key_padded_no_self_test(dh_out, ffdhe2048_value, dh) !=

          sizeof(dh_out) ||

      !BORINGSSL_check_test(kDHOutput, dh_out, sizeof(dh_out), "FFC DH")) {

    fprintf(CRYPTO_get_stderr(), "FFDH failed.\n");

    goto err;

  }

  ret = 1;

err:

  DH_free(dh);

  BN_free(ffdhe2048_value);

  return ret;

}

#if defined(BORINGSSL_FIPS)

static void run_self_test_rsa(void) {

  FIPS_service_indicator_lock_state();

  if (!boringssl_self_test_rsa()) {

    BORINGSSL_FIPS_abort();

  }

  FIPS_service_indicator_unlock_state();

}

DEFINE_STATIC_ONCE(g_self_test_once_rsa)

void boringssl_ensure_rsa_self_test(void) {

  CRYPTO_once(g_self_test_once_rsa_bss_get(), run_self_test_rsa);

}

static void run_self_test_ecc(void) {

  FIPS_service_indicator_lock_state();

  if (!boringssl_self_test_ecc()) {

    BORINGSSL_FIPS_abort();

  }

  FIPS_service_indicator_unlock_state();

}

DEFINE_STATIC_ONCE(g_self_test_once_ecc)

void boringssl_ensure_ecc_self_test(void) {

  CRYPTO_once(g_self_test_once_ecc_bss_get(), run_self_test_ecc);

}

static void run_self_test_ffdh(void) {

  FIPS_service_indicator_lock_state();

  if (!boringssl_self_test_ffdh()) {

    BORINGSSL_FIPS_abort();

  }

  FIPS_service_indicator_unlock_state();

}

DEFINE_STATIC_ONCE(g_self_test_once_ffdh)

void boringssl_ensure_ffdh_self_test(void) {

  CRYPTO_once(g_self_test_once_ffdh_bss_get(), run_self_test_ffdh);

}

#endif  // BORINGSSL_FIPS

// Startup self tests.

//

// These tests are run at process start when in FIPS mode.

int boringssl_self_test_sha256(void) {

  static const uint8_t kInput[16] = {

      0xff, 0x3b, 0x85, 0x7d, 0xa7, 0x23, 0x6a, 0x2b,

      0xaa, 0x0f, 0x39, 0x6b, 0x51, 0x52, 0x22, 0x17,

  };

  static const uint8_t kPlaintextSHA256[32] = {

      0x7f, 0xe4, 0xd5, 0xf1, 0xa1, 0xe3, 0x82, 0x87, 0xd9, 0x58, 0xf5,

      0x11, 0xc7, 0x1d, 0x5e, 0x27, 0x5e, 0xcc, 0xd2, 0x66, 0xcf, 0xb9,

      0xc8, 0xc6, 0x60, 0xd8, 0x92, 0x1e, 0x57, 0xfd, 0x46, 0x75,

  };

  uint8_t output[SHA256_DIGEST_LENGTH];

  // SHA-256 KAT

  SHA256(kInput, sizeof(kInput), output);

  return BORINGSSL_check_test(kPlaintextSHA256, output,

                              sizeof(kPlaintextSHA256), "SHA-256 KAT");

}

int boringssl_self_test_sha512(void) {

  static const uint8_t kInput[16] = {

      0x21, 0x25, 0x12, 0xf8, 0xd2, 0xad, 0x83, 0x22,

      0x78, 0x1c, 0x6c, 0x4d, 0x69, 0xa9, 0xda, 0xa1,

  };

  static const uint8_t kPlaintextSHA512[64] = {

      0x29, 0x3c, 0x94, 0x35, 0x4e, 0x98, 0x83, 0xe5, 0xc2, 0x78, 0x36,

      0x7a, 0xe5, 0x18, 0x90, 0xbf, 0x35, 0x41, 0x01, 0x64, 0x19, 0x8d,

      0x26, 0xeb, 0xe1, 0xf8, 0x2f, 0x04, 0x8e, 0xfa, 0x8b, 0x2b, 0xc6,

      0xb2, 0x9d, 0x5d, 0x46, 0x76, 0x5a, 0xc8, 0xb5, 0x25, 0xa3, 0xea,

      0x52, 0x84, 0x47, 0x6d, 0x6d, 0xf4, 0xc9, 0x71, 0xf3, 0x3d, 0x89,

      0x4c, 0x3b, 0x20, 0x8c, 0x5b, 0x75, 0xe8, 0xf8, 0x7c,

  };

  uint8_t output[SHA512_DIGEST_LENGTH];

  // SHA-512 KAT

  SHA512(kInput, sizeof(kInput), output);

  return BORINGSSL_check_test(kPlaintextSHA512, output,

                              sizeof(kPlaintextSHA512), "SHA-512 KAT");

}

int boringssl_self_test_hmac_sha256(void) {

  static const uint8_t kInput[16] = {

      0xda, 0xd9, 0x12, 0x93, 0xdf, 0xcf, 0x2a, 0x7c,

      0x8e, 0xcd, 0x13, 0xfe, 0x35, 0x3f, 0xa7, 0x5b,

  };

  static const uint8_t kPlaintextHMACSHA256[32] = {

      0x36, 0x5f, 0x5b, 0xd5, 0xf5, 0xeb, 0xfd, 0xc7, 0x6e, 0x53, 0xa5,

      0x73, 0x6d, 0x73, 0x20, 0x13, 0xaa, 0xd3, 0xbc, 0x86, 0x4b, 0xb8,

      0x84, 0x94, 0x16, 0x46, 0x88, 0x9c, 0x48, 0xee, 0xa9, 0x0e,

  };

  uint8_t output[EVP_MAX_MD_SIZE];

  unsigned output_len;

  HMAC(EVP_sha256(), kInput, sizeof(kInput), kInput, sizeof(kInput), output,

       &output_len);

  return output_len == sizeof(kPlaintextHMACSHA256) &&

         BORINGSSL_check_test(kPlaintextHMACSHA256, output,

                              sizeof(kPlaintextHMACSHA256), "HMAC-SHA-256 KAT");

}

static int boringssl_self_test_fast(void) {

  static const uint8_t kAESKey[16] = {

      'B', 'o', 'r', 'i', 'n', 'g', 'C', 'r',

      'y', 'p', 't', 'o', ' ', 'K', 'e', 'y',

  };

  static const uint8_t kAESIV[16] = {0};

  AES_KEY aes_key;

  uint8_t aes_iv[16];

  uint8_t output[256];

  // AES-CBC Encryption KAT

  static const uint8_t kAESCBCEncPlaintext[32] = {

      0x07, 0x86, 0x09, 0xa6, 0xc5, 0xac, 0x25, 0x44, 0x69, 0x9a, 0xdf,

      0x68, 0x2f, 0xa3, 0x77, 0xf9, 0xbe, 0x8a, 0xb6, 0xae, 0xf5, 0x63,

      0xe8, 0xc5, 0x6a, 0x36, 0xb8, 0x4f, 0x55, 0x7f, 0xad, 0xd3,

  };

  static const uint8_t kAESCBCEncCiphertext[sizeof(kAESCBCEncPlaintext)] = {

      0x56, 0x46, 0xc1, 0x41, 0xf4, 0x13, 0xd6, 0xff, 0x62, 0x92, 0x41,

      0x7a, 0x26, 0xc6, 0x86, 0xbd, 0x30, 0x5f, 0xb6, 0x57, 0xa7, 0xd2,

      0x50, 0x3a, 0xc5, 0x5e, 0x8e, 0x93, 0x40, 0xf2, 0x10, 0xd8,

  };

  memcpy(aes_iv, kAESIV, sizeof(kAESIV));

  if (!bcm_success(

          BCM_aes_set_encrypt_key(kAESKey, 8 * sizeof(kAESKey), &aes_key))) {

    fprintf(CRYPTO_get_stderr(), "BCM_aes_set_encrypt_key failed.\n");

    return 0;

  }

  AES_cbc_encrypt(kAESCBCEncPlaintext, output, sizeof(kAESCBCEncPlaintext),

                  &aes_key, aes_iv, AES_ENCRYPT);

  if (!BORINGSSL_check_test(kAESCBCEncCiphertext, output,

                            sizeof(kAESCBCEncCiphertext),

                            "AES-CBC-encrypt KAT")) {

    return 0;

  }

  // AES-CBC Decryption KAT

  static const uint8_t kAESCBCDecCiphertext[32] = {

      0x34, 0x7a, 0xa5, 0xa0, 0x24, 0xb2, 0x82, 0x57, 0xb3, 0x65, 0x10,

      0xbe, 0x58, 0x3d, 0x4f, 0x47, 0xad, 0xb7, 0xbb, 0xee, 0xdc, 0x60,

      0x05, 0xbb, 0xbd, 0x0d, 0x0a, 0x9f, 0x06, 0xbb, 0x7b, 0x10,

  };

  static const uint8_t kAESCBCDecPlaintext[sizeof(kAESCBCDecCiphertext)] = {

      0x51, 0xa7, 0xa0, 0x1f, 0x6b, 0x79, 0x6c, 0xcd, 0x48, 0x03, 0xa1,

      0x41, 0xdc, 0x56, 0xa6, 0xc2, 0x16, 0xb5, 0xd1, 0xd3, 0xb7, 0x06,

      0xb2, 0x25, 0x6f, 0xa6, 0xd0, 0xd2, 0x0e, 0x6f, 0x19, 0xb5,

  };

  memcpy(aes_iv, kAESIV, sizeof(kAESIV));

  if (!bcm_success(

          BCM_aes_set_decrypt_key(kAESKey, 8 * sizeof(kAESKey), &aes_key))) {

    fprintf(CRYPTO_get_stderr(), "BCM_aes_set_decrypt_key failed.\n");

    return 0;

  }

  AES_cbc_encrypt(kAESCBCDecCiphertext, output, sizeof(kAESCBCDecCiphertext),

                  &aes_key, aes_iv, AES_DECRYPT);

  if (!BORINGSSL_check_test(kAESCBCDecPlaintext, output,

                            sizeof(kAESCBCDecPlaintext),

                            "AES-CBC-decrypt KAT")) {

    return 0;

  }

  size_t out_len;

  uint8_t nonce[EVP_AEAD_MAX_NONCE_LENGTH];

  OPENSSL_memset(nonce, 0, sizeof(nonce));

  bssl::ScopedEVP_AEAD_CTX aead_ctx;

  if (!EVP_AEAD_CTX_init(aead_ctx.get(), EVP_aead_aes_128_gcm(), kAESKey,

                         sizeof(kAESKey), 0, NULL)) {

    fprintf(CRYPTO_get_stderr(), "EVP_AEAD_CTX_init for AES-128-GCM failed.\n");

    return 0;

  }

  // AES-GCM Encryption KAT

  static const uint8_t kAESGCMEncPlaintext[32] = {

      0x8f, 0xcc, 0x40, 0x99, 0x80, 0x8e, 0x75, 0xca, 0xaf, 0xf5, 0x82,

      0x89, 0x88, 0x48, 0xa8, 0x8d, 0x80, 0x8b, 0x55, 0xab, 0x4e, 0x93,

      0x70, 0x79, 0x7d, 0x94, 0x0b, 0xe8, 0xcc, 0x1d, 0x78, 0x84,

  };

  static const uint8_t kAESGCMCiphertext[sizeof(kAESGCMEncPlaintext) + 16] = {

      0x87, 0x7b, 0xd5, 0x8d, 0x96, 0x3e, 0x4b, 0xe6, 0x64, 0x94, 0x40, 0x2f,

      0x61, 0x9b, 0x7e, 0x56, 0x52, 0x7d, 0xa4, 0x5a, 0xf9, 0xa6, 0xe2, 0xdb,

      0x1c, 0x63, 0x2e, 0x97, 0x93, 0x0f, 0xfb, 0xed, 0xb5, 0x9e, 0x1c, 0x20,

      0xb2, 0xb0, 0x58, 0xda, 0x48, 0x07, 0x2d, 0xbd, 0x96, 0x0d, 0x34, 0xc6,

  };

  if (!EVP_AEAD_CTX_seal(aead_ctx.get(), output, &out_len, sizeof(output),

                         nonce, EVP_AEAD_nonce_length(EVP_aead_aes_128_gcm()),

                         kAESGCMEncPlaintext, sizeof(kAESGCMEncPlaintext), NULL,

                         0) ||

      !BORINGSSL_check_test(kAESGCMCiphertext, output,

                            sizeof(kAESGCMCiphertext), "AES-GCM-encrypt KAT")) {

    fprintf(CRYPTO_get_stderr(), "EVP_AEAD_CTX_seal for AES-128-GCM failed.\n");

    return 0;

  }

  // AES-GCM Decryption KAT

  static const uint8_t kAESGCMDecCiphertext[48] = {

      0x35, 0xf3, 0x05, 0x8f, 0x87, 0x57, 0x60, 0xff, 0x09, 0xd3, 0x12, 0x0f,

      0x70, 0xc4, 0xbc, 0x9e, 0xd7, 0xa8, 0x68, 0x72, 0xe1, 0x34, 0x52, 0x20,

      0x21, 0x76, 0xf7, 0x37, 0x1a, 0xe0, 0x4f, 0xaa, 0xe1, 0xdd, 0x39, 0x19,

      0x20, 0xf5, 0xd1, 0x39, 0x53, 0xd8, 0x96, 0x78, 0x59, 0x94, 0x82, 0x3c,

  };

  static const uint8_t kAESGCMDecPlaintext[sizeof(kAESGCMDecCiphertext) - 16] =

      {

          0x3d, 0x44, 0x90, 0x9b, 0x91, 0xe7, 0x5e, 0xd3, 0xc2, 0xb2, 0xd0,

          0xa9, 0x99, 0x17, 0x6a, 0x45, 0x05, 0x5e, 0x99, 0x83, 0x56, 0x01,

          0xc0, 0x82, 0x40, 0x81, 0xd2, 0x48, 0x45, 0xf2, 0xcc, 0xc3,

      };

  if (!EVP_AEAD_CTX_open(aead_ctx.get(), output, &out_len, sizeof(output),

                         nonce, EVP_AEAD_nonce_length(EVP_aead_aes_128_gcm()),

                         kAESGCMDecCiphertext, sizeof(kAESGCMDecCiphertext),

                         NULL, 0) ||

      !BORINGSSL_check_test(kAESGCMDecPlaintext, output,

                            sizeof(kAESGCMDecPlaintext),

                            "AES-GCM-decrypt KAT")) {

    fprintf(CRYPTO_get_stderr(),

            "AES-GCM-decrypt KAT failed because EVP_AEAD_CTX_open failed.\n");

    return 0;

  }

  // SHA-1 KAT

  static const uint8_t kSHA1Input[16] = {

      0x13, 0x2f, 0xd9, 0xba, 0xd5, 0xc1, 0x82, 0x62,

      0x63, 0xba, 0xfb, 0xb6, 0x99, 0xf7, 0x07, 0xa5,

  };

  static const uint8_t kSHA1Digest[20] = {

      0x94, 0x19, 0x55, 0x93, 0x0a, 0x58, 0x29, 0x38, 0xeb, 0xf5,

      0x09, 0x11, 0x6d, 0x1a, 0xfd, 0x0f, 0x1e, 0x11, 0xe3, 0xcb,

  };

  SHA1(kSHA1Input, sizeof(kSHA1Input), output);

  if (!BORINGSSL_check_test(kSHA1Digest, output, sizeof(kSHA1Digest),

                            "SHA-1 KAT")) {

    return 0;

  }

  if (!boringssl_self_test_sha256() || !boringssl_self_test_sha512() ||

      !boringssl_self_test_hmac_sha256()) {

    return 0;

  }

  // DBRG KAT

  static const uint8_t kDRBGEntropy[48] = {

      0xc4, 0xda, 0x07, 0x40, 0xd5, 0x05, 0xf1, 0xee, 0x28, 0x0b, 0x95, 0xe5,

      0x8c, 0x49, 0x31, 0xac, 0x6d, 0xe8, 0x46, 0xa0, 0x15, 0x2f, 0xbb, 0x4a,

      0x3f, 0x17, 0x4c, 0xf4, 0x78, 0x7a, 0x4f, 0x1a, 0x40, 0xc2, 0xb5, 0x0b,

      0xab, 0xe1, 0x4a, 0xae, 0x53, 0x0b, 0xe5, 0x88, 0x6d, 0x91, 0x0a, 0x27,

  };

  static const uint8_t kDRBGPersonalization[18] = {

      'B', 'C', 'M', 'P', 'e', 'r', 's', 'o', 'n',

      'a', 'l', 'i', 'z', 'a', 't', 'i', 'o', 'n'};

  static const uint8_t kDRBGAD[16] = {'B', 'C', 'M', ' ', 'D', 'R', 'B', 'G',

                                      ' ', 'K', 'A', 'T', ' ', 'A', 'D', ' '};

  static const uint8_t kDRBGOutput[64] = {

      0x19, 0x1f, 0x2b, 0x49, 0x76, 0x85, 0xfd, 0x51, 0xb6, 0x56, 0xbc,

      0x1c, 0x7d, 0xd5, 0xdd, 0x44, 0x76, 0xa3, 0x5e, 0x17, 0x9b, 0x8e,

      0xb8, 0x98, 0x65, 0x12, 0xca, 0x35, 0x6c, 0xa0, 0x6f, 0xa0, 0x22,

      0xe4, 0xf6, 0xd8, 0x43, 0xed, 0x4e, 0x2d, 0x97, 0x39, 0x43, 0x3b,

      0x57, 0xfc, 0x23, 0x3f, 0x71, 0x0a, 0xe0, 0xed, 0xfe, 0xd5, 0xb8,

      0x67, 0x7a, 0x00, 0x39, 0xb2, 0x6e, 0xa9, 0x25, 0x97,

  };

  static const uint8_t kDRBGEntropy2[48] = {

      0xc7, 0x16, 0x1c, 0xa3, 0x6c, 0x23, 0x09, 0xb7, 0x16, 0xe9, 0x85, 0x9b,

      0xb9, 0x6c, 0x6d, 0x49, 0xbd, 0xc8, 0x35, 0x21, 0x03, 0xa1, 0x8c, 0xd2,

      0x4e, 0xf4, 0x2e, 0xc9, 0x7e, 0xf4, 0x6b, 0xf4, 0x46, 0xeb, 0x1a, 0x45,

      0x76, 0xc1, 0x86, 0xe9, 0x35, 0x18, 0x03, 0x76, 0x3a, 0x79, 0x12, 0xfe,

  };

  static const uint8_t kDRBGReseedOutput[64] = {

      0x00, 0xf2, 0x05, 0xaa, 0xfd, 0x11, 0x6c, 0x77, 0xbc, 0x81, 0x86,

      0x99, 0xca, 0x51, 0xcf, 0x80, 0x15, 0x9f, 0x02, 0x9e, 0x0b, 0xcd,

      0x26, 0xc8, 0x4b, 0x87, 0x8a, 0x15, 0x1a, 0xdd, 0xf2, 0xf3, 0xeb,

      0x94, 0x0b, 0x08, 0xc8, 0xc9, 0x57, 0xa4, 0x0b, 0x4b, 0x0f, 0x13,

      0xde, 0x7c, 0x0c, 0x6a, 0xac, 0x34, 0x4a, 0x9a, 0xf2, 0xd0, 0x83,

      0x02, 0x05, 0x17, 0xc9, 0x81, 0x8f, 0x2a, 0x81, 0x92,

  };

  CTR_DRBG_STATE drbg;

  if (!CTR_DRBG_init(&drbg, kDRBGEntropy, kDRBGPersonalization,

                     sizeof(kDRBGPersonalization)) ||

      !CTR_DRBG_generate(&drbg, output, sizeof(kDRBGOutput), kDRBGAD,

                         sizeof(kDRBGAD)) ||

      !BORINGSSL_check_test(kDRBGOutput, output, sizeof(kDRBGOutput),

                            "DRBG Generate KAT") ||

      !CTR_DRBG_reseed(&drbg, kDRBGEntropy2, kDRBGAD, sizeof(kDRBGAD)) ||

      !CTR_DRBG_generate(&drbg, output, sizeof(kDRBGReseedOutput), kDRBGAD,

                         sizeof(kDRBGAD)) ||

      !BORINGSSL_check_test(kDRBGReseedOutput, output,

                            sizeof(kDRBGReseedOutput), "DRBG-reseed KAT")) {

    fprintf(CRYPTO_get_stderr(), "CTR-DRBG failed.\n");

    return 0;

  }

  CTR_DRBG_clear(&drbg);

  CTR_DRBG_STATE kZeroDRBG;

  memset(&kZeroDRBG, 0, sizeof(kZeroDRBG));

  if (!BORINGSSL_check_test(&kZeroDRBG, &drbg, sizeof(drbg),

                            "DRBG Clear KAT")) {

    return 0;

  }