/src/strongswan/src/libstrongswan/crypto/crypto_tester.c

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/*
 * Copyright (C) 2009-2010 Martin Willi
 * Copyright (C) 2016-2019 Andreas Steffen
 *
 * Copyright (C) secunet Security Networks AG
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details.
 */

#ifdef HAVE_DLADDR
# define _GNU_SOURCE
# include <dlfcn.h>
#endif
#include <time.h>

#include "crypto_tester.h"

#include <utils/debug.h>
#include <collections/linked_list.h>
#include <crypto/rngs/rng_tester.h>

typedef struct private_crypto_tester_t private_crypto_tester_t;

/**
 * Private data of an crypto_tester_t object.
 */
struct private_crypto_tester_t {

  /**
   * Public crypto_tester_t interface.
   */
  crypto_tester_t public;

  /**
   * List of crypter test vectors
   */
  linked_list_t *crypter;

  /**
   * List of aead test vectors
   */
  linked_list_t *aead;

  /**
   * List of signer test vectors
   */
  linked_list_t *signer;

  /**
   * List of hasher test vectors
   */
  linked_list_t *hasher;

  /**
   * List of PRF test vectors
   */
  linked_list_t *prf;

  /**
   * List of XOF test vectors
   */
  linked_list_t *xof;

  /**
   * List of KDF test vectors
   */
  linked_list_t *kdf;

  /**
   * List of DRBG test vectors
   */
  linked_list_t *drbg;

  /**
   * List of RNG test vectors
   */
  linked_list_t *rng;

  /**
   * List of key exchange method test vectors
   */
  linked_list_t *ke;

  /**
   * Is a test vector required to pass a test?
   */
  bool required;

  /**
   * should we run RNG_TRUE tests? Enough entropy?
   */
  bool rng_true;

  /**
   * time we test each algorithm
   */
  int bench_time;

  /**
   * size of buffer we use for benchmarking
   */
  int bench_size;
};

#if DEBUG_LEVEL >= 1
/**
 * Get the name of a test vector, if available
 */
static const char* get_name(void *sym)
{
#ifdef HAVE_DLADDR
  Dl_info dli;

  if (dladdr(sym, &dli))
  {
    return dli.dli_sname;
  }
#endif
  return "unknown";
}
#endif

#if defined(CLOCK_THREAD_CPUTIME_ID) && defined(HAVE_CLOCK_GETTIME)

/**
 * Start a benchmark timer
 */
static void start_timing(struct timespec *start)
{
  clock_gettime(CLOCK_THREAD_CPUTIME_ID, start);
}

/**
 * End a benchmark timer, return ms
 */
static u_int end_timing(struct timespec *start)
{
  struct timespec end;

  clock_gettime(CLOCK_THREAD_CPUTIME_ID, &end);
  return (end.tv_nsec - start->tv_nsec) / 1000000 +
      (end.tv_sec - start->tv_sec) * 1000;
}

#else /* CLOCK_THREAD_CPUTIME_ID */

/* Make benchmarking a no-op if CLOCK_THREAD_CPUTIME_ID is not available */
#define start_timing(start) ((start)->tv_sec = 0, (start)->tv_nsec = 0)
#define end_timing(...) (this->bench_time)

#endif /* CLOCK_THREAD_CPUTIME_ID */

/**
 * Benchmark a crypter
 */
static u_int bench_crypter(private_crypto_tester_t *this,
  encryption_algorithm_t alg, crypter_constructor_t create, size_t key_size)
{
  crypter_t *crypter;

  crypter = create(alg, key_size);
  if (crypter)
  {
    char iv[crypter->get_iv_size(crypter)];
    char key[crypter->get_key_size(crypter)];
    chunk_t buf;
    struct timespec start;
    u_int runs;

    memset(iv, 0x56, sizeof(iv));
    memset(key, 0x12, sizeof(key));
    if (!crypter->set_key(crypter, chunk_from_thing(key)))
    {
      return 0;
    }

    buf = chunk_alloc(this->bench_size);
    memset(buf.ptr, 0x34, buf.len);

    runs = 0;
    start_timing(&start);
    while (end_timing(&start) < this->bench_time)
    {
      if (crypter->encrypt(crypter, buf, chunk_from_thing(iv), NULL))
      {
        runs++;
      }
      if (crypter->decrypt(crypter, buf, chunk_from_thing(iv), NULL))
      {
        runs++;
      }
    }
    free(buf.ptr);
    crypter->destroy(crypter);

    return runs;
  }
  return 0;
}

METHOD(crypto_tester_t, test_crypter, bool,
  private_crypto_tester_t *this, encryption_algorithm_t alg, size_t key_size,
  crypter_constructor_t create, u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  crypter_test_vector_t *vector;
  bool failed = FALSE;
  u_int tested = 0;

  enumerator = this->crypter->create_enumerator(this->crypter);
  while (enumerator->enumerate(enumerator, &vector))
  {
    crypter_t *crypter;
    chunk_t key, iv, plain = chunk_empty, cipher = chunk_empty;

    if (vector->alg != alg)
    {
      continue;
    }
    if (key_size && key_size != vector->key_size)
    { /* test only vectors with a specific key size, if key size given */
      continue;
    }

    crypter = create(alg, vector->key_size);
    if (!crypter)
    { /* key size not supported */
      continue;
    }
    tested++;
    failed = TRUE;

    key = chunk_create(vector->key, crypter->get_key_size(crypter));
    if (!crypter->set_key(crypter, key))
    {
      goto failure;
    }
    iv = chunk_create(vector->iv, crypter->get_iv_size(crypter));

    /* allocated encryption */
    plain = chunk_create(vector->plain, vector->len);
    if (!crypter->encrypt(crypter, plain, iv, &cipher))
    {
      goto failure;
    }
    if (!memeq(vector->cipher, cipher.ptr, cipher.len))
    {
      goto failure;
    }
    /* inline decryption */
    if (!crypter->decrypt(crypter, cipher, iv, NULL))
    {
      goto failure;
    }
    if (!memeq(vector->plain, cipher.ptr, cipher.len))
    {
      goto failure;
    }
    /* allocated decryption */
    if (!crypter->decrypt(crypter,
            chunk_create(vector->cipher, vector->len), iv, &plain))
    {
      goto failure;
    }
    if (!memeq(vector->plain, plain.ptr, plain.len))
    {
      goto failure;
    }
    /* inline encryption */
    if (!crypter->encrypt(crypter, plain, iv, NULL))
    {
      goto failure;
    }
    if (!memeq(vector->cipher, plain.ptr, plain.len))
    {
      goto failure;
    }

    failed = FALSE;
failure:
    crypter->destroy(crypter);
    chunk_free(&cipher);
    if (plain.ptr != vector->plain)
    {
      chunk_free(&plain);
    }
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         encryption_algorithm_names, alg, plugin_name, get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    if (failed)
    {
      DBG1(DBG_LIB,"disable %N[%s]: %zd byte key size not supported",
         encryption_algorithm_names, alg, plugin_name, key_size);
      return FALSE;
    }
    else
    {
      DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
         this->required ? "disabled" : "enabled ",
         encryption_algorithm_names, alg, plugin_name);
      return !this->required;
    }
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_crypter(this, alg, create, key_size);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points "
         "(%zd bit key)", encryption_algorithm_names, alg,
         plugin_name, tested, *speed, key_size * 8);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         encryption_algorithm_names, alg, plugin_name, tested);
    }
  }
  return !failed;
}

/**
 * Benchmark an aead transform
 */
static u_int bench_aead(private_crypto_tester_t *this,
  encryption_algorithm_t alg, aead_constructor_t create, size_t key_size)
{
  aead_t *aead;

  aead = create(alg, key_size, 0);
  if (aead)
  {
    char iv[aead->get_iv_size(aead)];
    char key[aead->get_key_size(aead)];
    char assoc[4];
    chunk_t buf;
    struct timespec start;
    u_int runs;
    size_t icv;

    memset(iv, 0x56, sizeof(iv));
    memset(key, 0x12, sizeof(key));
    memset(assoc, 0x78, sizeof(assoc));
    if (!aead->set_key(aead, chunk_from_thing(key)))
    {
      return 0;
    }
    icv = aead->get_icv_size(aead);

    buf = chunk_alloc(this->bench_size + icv);
    memset(buf.ptr, 0x34, buf.len);
    buf.len -= icv;

    runs = 0;
    start_timing(&start);
    while (end_timing(&start) < this->bench_time)
    {
      if (aead->encrypt(aead, buf, chunk_from_thing(assoc),
            chunk_from_thing(iv), NULL))
      {
        runs += 2;
      }
      if (aead->decrypt(aead, chunk_create(buf.ptr, buf.len + icv),
            chunk_from_thing(assoc), chunk_from_thing(iv), NULL))
      {
        runs += 2;
      }
    }
    free(buf.ptr);
    aead->destroy(aead);

    return runs;
  }
  return 0;
}

METHOD(crypto_tester_t, test_aead, bool,
  private_crypto_tester_t *this, encryption_algorithm_t alg, size_t key_size,
  size_t salt_size, aead_constructor_t create,
  u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  aead_test_vector_t *vector;
  bool failed = FALSE;
  u_int tested = 0;

  enumerator = this->aead->create_enumerator(this->aead);
  while (enumerator->enumerate(enumerator, &vector))
  {
    aead_t *aead;
    chunk_t key, iv, assoc, plain = chunk_empty, cipher = chunk_empty;
    size_t icv;

    if (vector->alg != alg)
    {
      continue;
    }
    if (key_size && key_size != vector->key_size)
    { /* test only vectors with a specific key size, if key size given */
      continue;
    }
    if (salt_size && salt_size != vector->salt_size)
    {
      continue;
    }

    tested++;
    failed = TRUE;
    aead = create(alg, vector->key_size, vector->salt_size);
    if (!aead)
    {
      DBG1(DBG_LIB, "%N[%s]: %u bit key size not supported",
         encryption_algorithm_names, alg, plugin_name,
         BITS_PER_BYTE * vector->key_size);
      continue;
    }

    key = chunk_create(vector->key, aead->get_key_size(aead));
    if (!aead->set_key(aead, key))
    {
      goto failure;
    }
    iv = chunk_create(vector->iv, aead->get_iv_size(aead));
    assoc = chunk_create(vector->adata, vector->alen);
    icv = aead->get_icv_size(aead);

    /* allocated encryption */
    plain = chunk_create(vector->plain, vector->len);
    if (!aead->encrypt(aead, plain, assoc, iv, &cipher))
    {
      goto failure;
    }
    if (!memeq(vector->cipher, cipher.ptr, cipher.len))
    {
      goto failure;
    }
    /* inline decryption */
    if (!aead->decrypt(aead, cipher, assoc, iv, NULL))
    {
      goto failure;
    }
    if (!memeq(vector->plain, cipher.ptr, cipher.len - icv))
    {
      goto failure;
    }
    /* allocated decryption */
    if (!aead->decrypt(aead, chunk_create(vector->cipher, vector->len + icv),
               assoc, iv, &plain))
    {
      goto failure;
    }
    if (!memeq(vector->plain, plain.ptr, plain.len))
    {
      goto failure;
    }
    plain.ptr = realloc(plain.ptr, plain.len + icv);
    /* inline encryption */
    if (!aead->encrypt(aead, plain, assoc, iv, NULL))
    {
      goto failure;
    }
    if (!memeq(vector->cipher, plain.ptr, plain.len + icv))
    {
      goto failure;
    }

    failed = FALSE;
failure:
    aead->destroy(aead);
    chunk_free(&cipher);
    if (plain.ptr != vector->plain)
    {
      chunk_free(&plain);
    }
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         encryption_algorithm_names, alg, plugin_name, get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    if (failed)
    {
      DBG1(DBG_LIB,"disable %N[%s]: %zd byte key size not supported",
         encryption_algorithm_names, alg, plugin_name, key_size);
      return FALSE;
    }
    else
    {
      DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
         this->required ? "disabled" : "enabled ",
         encryption_algorithm_names, alg, plugin_name);
      return !this->required;
    }
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_aead(this, alg, create, key_size);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points "
         "(%zd bit key)", encryption_algorithm_names, alg,
         plugin_name, tested, *speed, key_size * 8);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         encryption_algorithm_names, alg, plugin_name, tested);
    }
  }
  return !failed;
}

/**
 * Benchmark a signer
 */
static u_int bench_signer(private_crypto_tester_t *this,
  integrity_algorithm_t alg, signer_constructor_t create)
{
  signer_t *signer;

  signer = create(alg);
  if (signer)
  {
    char key[signer->get_key_size(signer)];
    char mac[signer->get_block_size(signer)];
    chunk_t buf;
    struct timespec start;
    u_int runs;

    memset(key, 0x12, sizeof(key));
    if (!signer->set_key(signer, chunk_from_thing(key)))
    {
      return 0;
    }

    buf = chunk_alloc(this->bench_size);
    memset(buf.ptr, 0x34, buf.len);

    runs = 0;
    start_timing(&start);
    while (end_timing(&start) < this->bench_time)
    {
      if (signer->get_signature(signer, buf, mac))
      {
        runs++;
      }
      if (signer->verify_signature(signer, buf, chunk_from_thing(mac)))
      {
        runs++;
      }
    }
    free(buf.ptr);
    signer->destroy(signer);

    return runs;
  }
  return 0;
}

METHOD(crypto_tester_t, test_signer, bool,
  private_crypto_tester_t *this, integrity_algorithm_t alg,
  signer_constructor_t create, u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  signer_test_vector_t *vector;
  bool failed = FALSE;
  u_int tested = 0;

  enumerator = this->signer->create_enumerator(this->signer);
  while (enumerator->enumerate(enumerator, &vector))
  {
    signer_t *signer;
    chunk_t key, data, mac = chunk_empty;

    if (vector->alg != alg)
    {
      continue;
    }

    tested++;
    failed = TRUE;
    signer = create(alg);
    if (!signer)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: creating instance failed",
         integrity_algorithm_names, alg, plugin_name);
      break;
    }

    data = chunk_create(vector->data, vector->len);
    key = chunk_create(vector->key, signer->get_key_size(signer));
    if (!signer->set_key(signer, key))
    {
      goto failure;
    }
    /* do partial append mode and check if key gets set correctly */
    if (!signer->get_signature(signer, data, NULL))
    {
      goto failure;
    }
    if (!signer->set_key(signer, key))
    {
      goto failure;
    }
    /* allocated signature */
    if (!signer->allocate_signature(signer, data, &mac))
    {
      goto failure;
    }
    if (mac.len != signer->get_block_size(signer))
    {
      goto failure;
    }
    if (!memeq(vector->mac, mac.ptr, mac.len))
    {
      goto failure;
    }
    /* signature to existing buffer */
    memset(mac.ptr, 0, mac.len);
    if (!signer->get_signature(signer, data, mac.ptr))
    {
      goto failure;
    }
    if (!memeq(vector->mac, mac.ptr, mac.len))
    {
      goto failure;
    }
    /* signature verification, good case */
    if (!signer->verify_signature(signer, data, mac))
    {
      goto failure;
    }
    /* signature verification, bad case */
    *(mac.ptr + mac.len - 1) += 1;
    if (signer->verify_signature(signer, data, mac))
    {
      goto failure;
    }
    /* signature to existing buffer, using append mode */
    if (data.len > 2)
    {
      if (!signer->allocate_signature(signer,
                      chunk_create(data.ptr, 1), NULL))
      {
        goto failure;
      }
      if (!signer->get_signature(signer,
                     chunk_create(data.ptr + 1, 1), NULL))
      {
        goto failure;
      }
      if (!signer->verify_signature(signer, chunk_skip(data, 2),
                      chunk_create(vector->mac, mac.len)))
      {
        goto failure;
      }
    }

    failed = FALSE;
failure:
    signer->destroy(signer);
    chunk_free(&mac);
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         integrity_algorithm_names, alg, plugin_name, get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
       this->required ? "disabled" : "enabled ",
       integrity_algorithm_names, alg, plugin_name);
    return !this->required;
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_signer(this, alg, create);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points",
         integrity_algorithm_names, alg, plugin_name, tested, *speed);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         integrity_algorithm_names, alg, plugin_name, tested);
    }
  }
  return !failed;
}

/**
 * Benchmark a hasher
 */
static u_int bench_hasher(private_crypto_tester_t *this,
  hash_algorithm_t alg, hasher_constructor_t create)
{
  hasher_t *hasher;

  hasher = create(alg);
  if (hasher)
  {
    char hash[hasher->get_hash_size(hasher)];
    chunk_t buf;
    struct timespec start;
    u_int runs;

    buf = chunk_alloc(this->bench_size);
    memset(buf.ptr, 0x34, buf.len);

    runs = 0;
    start_timing(&start);
    while (end_timing(&start) < this->bench_time)
    {
      if (hasher->get_hash(hasher, buf, hash))
      {
        runs++;
      }
    }
    free(buf.ptr);
    hasher->destroy(hasher);

    return runs;
  }
  return 0;
}

METHOD(crypto_tester_t, test_hasher, bool,
  private_crypto_tester_t *this, hash_algorithm_t alg,
  hasher_constructor_t create, u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  hasher_test_vector_t *vector;
  bool failed = FALSE;
  u_int tested = 0;

  enumerator = this->hasher->create_enumerator(this->hasher);
  while (enumerator->enumerate(enumerator, &vector))
  {
    hasher_t *hasher;
    chunk_t data, hash;

    if (vector->alg != alg)
    {
      continue;
    }

    tested++;
    failed = TRUE;
    hasher = create(alg);
    if (!hasher)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: creating instance failed",
         hash_algorithm_names, alg, plugin_name);
      break;
    }

    /* allocated hash */
    data = chunk_create(vector->data, vector->len);
    if (!hasher->allocate_hash(hasher, data, &hash))
    {
      goto failure;
    }
    if (hash.len != hasher->get_hash_size(hasher))
    {
      goto failure;
    }
    if (!memeq(vector->hash, hash.ptr, hash.len))
    {
      goto failure;
    }
    /* hash to existing buffer, with a reset */
    memset(hash.ptr, 0, hash.len);
    if (!hasher->get_hash(hasher, data, NULL))
    {
      goto failure;
    }
    if (!hasher->reset(hasher))
    {
      goto failure;
    }
    if (!hasher->get_hash(hasher, data, hash.ptr))
    {
      goto failure;
    }
    if (!memeq(vector->hash, hash.ptr, hash.len))
    {
      goto failure;
    }
    /* hasher to existing buffer, using append mode */
    if (data.len > 2)
    {
      memset(hash.ptr, 0, hash.len);
      if (!hasher->allocate_hash(hasher, chunk_create(data.ptr, 1), NULL))
      {
        goto failure;
      }
      if (!hasher->get_hash(hasher, chunk_create(data.ptr + 1, 1), NULL))
      {
        goto failure;
      }
      if (!hasher->get_hash(hasher, chunk_skip(data, 2), hash.ptr))
      {
        goto failure;
      }
      if (!memeq(vector->hash, hash.ptr, hash.len))
      {
        goto failure;
      }
    }

    failed = FALSE;
failure:
    hasher->destroy(hasher);
    chunk_free(&hash);
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         hash_algorithm_names, alg, plugin_name, get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
       this->required ? "disabled" : "enabled ",
       hash_algorithm_names, alg, plugin_name);
    return !this->required;
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_hasher(this, alg, create);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points",
         hash_algorithm_names, alg, plugin_name, tested, *speed);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         hash_algorithm_names, alg, plugin_name, tested);
    }
  }
  return !failed;
}

/**
 * Benchmark a PRF
 */
static u_int bench_prf(private_crypto_tester_t *this,
             pseudo_random_function_t alg, prf_constructor_t create)
{
  prf_t *prf;

  prf = create(alg);
  if (prf)
  {
    char bytes[prf->get_block_size(prf)], key[prf->get_block_size(prf)];
    chunk_t buf;
    struct timespec start;
    u_int runs;

    memset(key, 0x56, prf->get_block_size(prf));
    if (!prf->set_key(prf, chunk_create(key, prf->get_block_size(prf))))
    {
      prf->destroy(prf);
      return 0;
    }

    buf = chunk_alloc(this->bench_size);
    memset(buf.ptr, 0x34, buf.len);

    runs = 0;
    start_timing(&start);
    while (end_timing(&start) < this->bench_time)
    {
      if (prf->get_bytes(prf, buf, bytes))
      {
        runs++;
      }
    }
    free(buf.ptr);
    prf->destroy(prf);

    return runs;
  }
  return 0;
}

METHOD(crypto_tester_t, test_prf, bool,
  private_crypto_tester_t *this, pseudo_random_function_t alg,
  prf_constructor_t create, u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  prf_test_vector_t *vector;
  bool failed = FALSE;
  u_int tested = 0;

  enumerator = this->prf->create_enumerator(this->prf);
  while (enumerator->enumerate(enumerator, &vector))
  {
    prf_t *prf;
    chunk_t key, seed, out = chunk_empty;

    if (vector->alg != alg)
    {
      continue;
    }

    tested++;
    failed = TRUE;
    prf = create(alg);
    if (!prf)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: creating instance failed",
         pseudo_random_function_names, alg, plugin_name);
      break;
    }

    seed = chunk_create(vector->seed, vector->len);
    key = chunk_create(vector->key, vector->key_size);
    if (!prf->set_key(prf, key))
    {
      goto failure;
    }
    if (alg != PRF_FIPS_SHA1_160)
    {
      /* do partial append mode and check if key gets set correctly */
      if (!prf->get_bytes(prf, seed, NULL))
      {
        goto failure;
      }
      if (!prf->set_key(prf, key))
      {
        goto failure;
      }
    }
    /* allocated bytes */
    if (!prf->allocate_bytes(prf, seed, &out))
    {
      goto failure;
    }
    if (out.len != prf->get_block_size(prf))
    {
      goto failure;
    }
    if (!memeq(vector->out, out.ptr, out.len))
    {
      goto failure;
    }
    /* bytes to existing buffer */
    memset(out.ptr, 0, out.len);
    if (vector->stateful)
    {
      if (!prf->set_key(prf, key))
      {
        goto failure;
      }
    }
    if (!prf->get_bytes(prf, seed, out.ptr))
    {
      goto failure;
    }
    if (!memeq(vector->out, out.ptr, out.len))
    {
      goto failure;
    }
    /* bytes to existing buffer, using append mode */
    if (alg != PRF_FIPS_SHA1_160 && seed.len > 2)
    {
      memset(out.ptr, 0, out.len);
      if (vector->stateful)
      {
        if (!prf->set_key(prf, key))
        {
          goto failure;
        }
      }
      if (!prf->allocate_bytes(prf, chunk_create(seed.ptr, 1), NULL))
      {
        goto failure;
      }
      if (!prf->get_bytes(prf, chunk_create(seed.ptr + 1, 1), NULL))
      {
        goto failure;
      }
      if (!prf->get_bytes(prf, chunk_skip(seed, 2), out.ptr))
      {
        goto failure;
      }
      if (!memeq(vector->out, out.ptr, out.len))
      {
        goto failure;
      }
    }

    failed = FALSE;
failure:
    prf->destroy(prf);
    chunk_free(&out);
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         pseudo_random_function_names, alg, plugin_name, get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
       this->required ? "disabled" : "enabled ",
       pseudo_random_function_names, alg, plugin_name);
    return !this->required;
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_prf(this, alg, create);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points",
         pseudo_random_function_names, alg, plugin_name, tested, *speed);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         pseudo_random_function_names, alg, plugin_name, tested);
    }
  }
  return !failed;
}

/**
 * Benchmark an XOF
 */
static u_int bench_xof(private_crypto_tester_t *this,
             ext_out_function_t alg, xof_constructor_t create)
{
  xof_t *xof;

  xof = create(alg);
  if (xof)
  {
    char seed[xof->get_seed_size(xof)];
    char bytes[xof->get_block_size(xof)];
    struct timespec start;
    u_int runs;

    memset(seed, 0x56, xof->get_seed_size(xof));
    if (!xof->set_seed(xof, chunk_create(seed, xof->get_seed_size(xof))))
    {
      xof->destroy(xof);
      return 0;
    }

    runs = 0;
    start_timing(&start);
    while (end_timing(&start) < this->bench_time)
    {
      if (xof->get_bytes(xof, xof->get_block_size(xof), bytes))
      {
        runs++;
      }
    }
    xof->destroy(xof);

    return runs;
  }
  return 0;
}

METHOD(crypto_tester_t, test_xof, bool,
  private_crypto_tester_t *this, ext_out_function_t alg,
  xof_constructor_t create, u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  xof_test_vector_t *vector;
  bool failed = FALSE;
  u_int tested = 0;

  enumerator = this->xof->create_enumerator(this->xof);
  while (enumerator->enumerate(enumerator, &vector))
  {
    xof_t *xof;
    chunk_t seed, out = chunk_empty;

    if (vector->alg != alg)
    {
      continue;
    }

    tested++;
    failed = TRUE;
    xof = create(alg);
    if (!xof)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: creating instance failed",
         ext_out_function_names, alg, plugin_name);
      break;
    }

    seed = chunk_create(vector->seed, vector->len);
    if (!xof->set_seed(xof, seed))
    {
      goto failure;
    }
    /* allocated bytes */
    if (!xof->allocate_bytes(xof, vector->out_len, &out))
    {
      goto failure;
    }
    if (out.len != vector->out_len)
    {
      goto failure;
    }
    if (!memeq(vector->out, out.ptr, out.len))
    {
      goto failure;
    }
    /* bytes to existing buffer */
    memset(out.ptr, 0, out.len);
    if (!xof->set_seed(xof, seed))
    {
      goto failure;
    }
    if (!xof->get_bytes(xof, vector->out_len, out.ptr))
    {
      goto failure;
    }
    if (!memeq(vector->out, out.ptr, vector->out_len))
    {
      goto failure;
    }
    /* bytes to existing buffer, using append mode */
    /* TODO */

    failed = FALSE;
failure:
    xof->destroy(xof);
    chunk_free(&out);
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         ext_out_function_names, alg, plugin_name, get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
       this->required ? "disabled" : "enabled ",
       ext_out_function_names, alg, plugin_name);
    return !this->required;
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_xof(this, alg, create);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points",
         ext_out_function_names, alg, plugin_name, tested, *speed);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         ext_out_function_names, alg, plugin_name, tested);
    }
  }
  return !failed;
}



/**
 * Create a KDF using the given arguments
 */
static kdf_t *create_kdf_args(kdf_constructor_t create,
                key_derivation_function_t alg, ...)
{
  va_list args;
  kdf_t *kdf;

  va_start(args, alg);
  kdf = create(alg, args);
  va_end(args);
  return kdf;
}

/**
 * Create a KDF using arguments from the given test vector
 */
static kdf_t *create_kdf_vector(kdf_constructor_t create,
                key_derivation_function_t alg,
                kdf_test_vector_t *vector)
{
  switch (alg)
  {
    case KDF_PRF:
    case KDF_PRF_PLUS:
      return create_kdf_args(create, alg, vector->arg.prf);
    case KDF_UNDEFINED:
      break;
  }
  return NULL;
}

/**
 * Check if the given test vector applies to the passed arguments
 */
static bool kdf_vector_applies(key_derivation_function_t alg,
                 kdf_test_args_t *args, kdf_test_vector_t *vector)
{
  bool applies = FALSE;

  switch (alg)
  {
    case KDF_PRF:
    case KDF_PRF_PLUS:
    {
      pseudo_random_function_t prf;
      VA_ARGS_VGET(args->args, prf);
      applies = (prf == vector->arg.prf);
      break;
    }
    case KDF_UNDEFINED:
      break;
  }
  return applies;
}

METHOD(crypto_tester_t, test_kdf, bool,
  private_crypto_tester_t *this, key_derivation_function_t alg,
  kdf_constructor_t create, kdf_test_args_t *args, u_int *speed,
  const char *plugin_name)
{
  enumerator_t *enumerator;
  kdf_test_vector_t *vector;
  va_list copy;
  bool failed = FALSE;
  u_int tested = 0, construction_failed = 0;

  enumerator = this->kdf->create_enumerator(this->kdf);
  while (enumerator->enumerate(enumerator, &vector))
  {
    kdf_t *kdf;
    chunk_t out = chunk_empty;

    if (vector->alg != alg ||
      (args && !kdf_vector_applies(alg, args, vector)))
    {
      continue;
    }

    tested++;
    failed = TRUE;
    if (args)
    {
      va_copy(copy, args->args);
      kdf = create(alg, copy);
      va_end(copy);
    }
    else
    {
      kdf = create_kdf_vector(create, alg, vector);
    }
    if (!kdf)
    {
      if (args)
      {
        DBG1(DBG_LIB, "disabled %N[%s]: creating instance failed",
           key_derivation_function_names, alg, plugin_name);
        break;
      }
      /* while there could be a problem, the constructor might just not
       * be able to create an instance for this test vector, we check
       * for that at the end */
      construction_failed++;
      failed = FALSE;
      continue;
    }

    if (vector->key.len &&
      !kdf->set_param(kdf, KDF_PARAM_KEY, vector->key))
    {
      goto failure;
    }
    if (vector->salt.len &&
      !kdf->set_param(kdf, KDF_PARAM_SALT, vector->salt))
    {
      goto failure;
    }
    if (kdf_has_fixed_output_length(alg))
    {
      if (kdf->get_length(kdf) != vector->out.len)
      {
        goto failure;
      }
    }
    else if (kdf->get_length(kdf) != SIZE_MAX)
    {
      goto failure;
    }
    /* allocated bytes */
    if (!kdf->allocate_bytes(kdf, vector->out.len, &out))
    {
      goto failure;
    }
    if (!chunk_equals(out, vector->out))
    {
      goto failure;
    }
    /* allocate without knowing the length */
    if (kdf_has_fixed_output_length(alg))
    {
      chunk_free(&out);
      if (!kdf->allocate_bytes(kdf, 0, &out))
      {
        goto failure;
      }
      if (!chunk_equals(out, vector->out))
      {
        goto failure;
      }
    }
    /* bytes to existing buffer */
    memset(out.ptr, 0, out.len);
    if (!kdf->get_bytes(kdf, out.len, out.ptr))
    {
      goto failure;
    }
    if (!chunk_equals(out, vector->out))
    {
      goto failure;
    }

    failed = FALSE;
failure:
    kdf->destroy(kdf);
    chunk_free(&out);
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         key_derivation_function_names, alg, plugin_name,
         get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
       this->required ? "disabled" : "enabled ",
       key_derivation_function_names, alg, plugin_name);
    return !this->required;
  }
  tested -= construction_failed;
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: unable to apply any available test vectors",
       this->required ? "disabled" : "enabled ",
       key_derivation_function_names, alg, plugin_name);
    return !this->required;
  }
  if (!failed)
  {
    if (speed)
    {
      DBG2(DBG_LIB, "benchmarking for %N is currently not supported",
         key_derivation_function_names, alg);
    }
    DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
       key_derivation_function_names, alg, plugin_name, tested);
  }
  return !failed;
}

/**
 * Benchmark a DRBG
 */
static u_int bench_drbg(private_crypto_tester_t *this,
            drbg_type_t type, drbg_constructor_t create)
{
  drbg_t *drbg;
  rng_t *entropy;
  uint32_t strength = 128;
  chunk_t seed = chunk_alloca(48);

  memset(seed.ptr, 0x81, seed.len);
  entropy = rng_tester_create(seed);

  drbg = create(type, strength, entropy, chunk_empty);
  if (drbg)
  {
    struct timespec start;
    u_int runs = 0;
    size_t out_len = 128;
    char out_buf[out_len];

    start_timing(&start);
    while (end_timing(&start) < this->bench_time)
    {
      if (drbg->generate(drbg, out_len, out_buf))
      {
        runs++;
      }
    }
    drbg->destroy(drbg);

    return runs;
  }
  return 0;
}

METHOD(crypto_tester_t, test_drbg, bool,
  private_crypto_tester_t *this, drbg_type_t type,
  drbg_constructor_t create, u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  drbg_test_vector_t *vector;
  bool failed = FALSE;
  u_int tested = 0;

  enumerator = this->drbg->create_enumerator(this->drbg);
  while (enumerator->enumerate(enumerator, &vector))
  {
    drbg_t *drbg;
    rng_t *entropy;
    chunk_t out = chunk_empty;

    if (vector->type != type)
    {
      continue;
    }
    tested++;
    failed = TRUE;

    entropy = rng_tester_create(vector->entropy);
    out = chunk_alloc(vector->out.len);

    drbg = create(type, vector->strength, entropy,
            vector->personalization_str);
    if (!drbg)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: creating instance failed",
         drbg_type_names, type, plugin_name);
      entropy->destroy(entropy);
      chunk_free(&out);
      break;
    }
    if (!drbg->reseed(drbg))
    {
      goto failure;
    }
    if (!drbg->generate(drbg, out.len, out.ptr))
    {
      goto failure;
    }
    if (!drbg->generate(drbg, out.len, out.ptr))
    {
      goto failure;
    }
    if (!chunk_equals(out, vector->out))
    {
      goto failure;
    }
    failed = FALSE;

failure:
    drbg->destroy(drbg);
    chunk_free(&out);
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         drbg_type_names, type, plugin_name, get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
       this->required ? "disabled" : "enabled ",
       drbg_type_names, type, plugin_name);
    return !this->required;
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_drbg(this, type, create);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points",
         drbg_type_names, type, plugin_name, tested, *speed);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         drbg_type_names, type, plugin_name, tested);
    }
  }
  return !failed;
}

/**
 * Benchmark a RNG
 */
static u_int bench_rng(private_crypto_tester_t *this,
             rng_quality_t quality, rng_constructor_t create)
{
  rng_t *rng;

  rng = create(quality);
  if (rng)
  {
    struct timespec start;
    chunk_t buf;
    u_int runs;

    runs = 0;
    buf = chunk_alloc(this->bench_size);
    start_timing(&start);
    while (end_timing(&start) < this->bench_time)
    {
      if (!rng->get_bytes(rng, buf.len, buf.ptr))
      {
        runs = 0;
        break;
      }
      runs++;
    }
    free(buf.ptr);
    rng->destroy(rng);

    return runs;
  }
  return 0;
}

METHOD(crypto_tester_t, test_rng, bool,
  private_crypto_tester_t *this, rng_quality_t quality,
  rng_constructor_t create, u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  rng_test_vector_t *vector;
  bool failed = FALSE;
  u_int tested = 0;

  if (!this->rng_true && quality == RNG_TRUE)
  {
    DBG1(DBG_LIB, "enabled  %N[%s]: skipping test (disabled by config)",
       rng_quality_names, quality, plugin_name);
    return TRUE;
  }

  enumerator = this->rng->create_enumerator(this->rng);
  while (enumerator->enumerate(enumerator, &vector))
  {
    chunk_t data = chunk_empty;
    rng_t *rng;

    if (vector->quality != quality)
    {
      continue;
    }

    tested++;
    failed = TRUE;
    rng = create(quality);
    if (!rng)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: creating instance failed",
         rng_quality_names, quality, plugin_name);
      break;
    }

    /* allocated bytes */
    if (!rng->allocate_bytes(rng, vector->len, &data) ||
      data.len != vector->len ||
      !vector->test(vector->user, data))
    {
      goto failure;
    }
    /* write bytes into existing buffer */
    memset(data.ptr, 0, data.len);
    if (!rng->get_bytes(rng, vector->len, data.ptr))
    {
      goto failure;
    }
    if (!vector->test(vector->user, data))
    {
      goto failure;
    }

    failed = FALSE;
failure:
    rng->destroy(rng);
    chunk_free(&data);
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         rng_quality_names, quality, plugin_name, get_name(vector));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: no test vectors found",
       this->required ? ", disabled" : "enabled ",
       rng_quality_names, quality, plugin_name);
    return !this->required;
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_rng(this, quality, create);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points",
         rng_quality_names, quality, plugin_name, tested, *speed);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         rng_quality_names, quality, plugin_name, tested);
    }
  }
  return !failed;
}

/**
 * Benchmark a key exchange backend
 */
static u_int bench_ke(private_crypto_tester_t *this,
            key_exchange_method_t method, ke_constructor_t create)
{
  chunk_t pub = chunk_empty, shared = chunk_empty;
  key_exchange_t *ke;
  struct timespec start;
  u_int runs;

  runs = 0;
  start_timing(&start);
  while (end_timing(&start) < this->bench_time)
  {
    ke = create(method);
    if (!ke)
    {
      return 0;
    }
    if (ke->get_public_key(ke, &pub) &&
      ke->set_public_key(ke, pub) &&
      ke->get_shared_secret(ke, &shared))
    {
      runs++;
    }
    chunk_free(&pub);
    chunk_free(&shared);
    ke->destroy(ke);
  }
  return runs;
}

METHOD(crypto_tester_t, test_ke, bool,
  private_crypto_tester_t *this, key_exchange_method_t method,
  ke_constructor_t create, u_int *speed, const char *plugin_name)
{
  enumerator_t *enumerator;
  ke_test_vector_t *v;
  bool failed = FALSE;
  u_int tested = 0;

  enumerator = this->ke->create_enumerator(this->ke);
  while (enumerator->enumerate(enumerator, &v))
  {
    key_exchange_t *a, *b;
    chunk_t apub, bpub, asec, bsec;

    if (v->method != method)
    {
      continue;
    }

    a = create(method);
    b = create(method);
    if (!a || !b)
    {
      DESTROY_IF(a);
      DESTROY_IF(b);
      failed = TRUE;
      tested++;
      DBG1(DBG_LIB, "disabled %N[%s]: creating instance failed",
         key_exchange_method_names, method, plugin_name);
      break;
    }

    if (!a->set_private_key || !b->set_private_key)
    { /* does not support testing */
      a->destroy(a);
      b->destroy(b);
      continue;
    }
    failed = TRUE;
    tested++;

    apub = bpub = asec = bsec = chunk_empty;

    if (!a->set_private_key(a, chunk_create(v->priv_a, v->priv_len)) ||
      !b->set_private_key(b, chunk_create(v->priv_b, v->priv_len)))
    {
      goto failure;
    }
    if (!a->get_public_key(a, &apub) ||
      !chunk_equals(apub, chunk_create(v->pub_a, v->pub_len)))
    {
      goto failure;
    }
    if (!b->get_public_key(b, &bpub) ||
      !chunk_equals(bpub, chunk_create(v->pub_b, v->pub_len)))
    {
      goto failure;
    }
    if (!a->set_public_key(a, bpub) ||
      !b->set_public_key(b, apub))
    {
      goto failure;
    }
    if (!a->get_shared_secret(a, &asec) ||
      !chunk_equals(asec, chunk_create(v->shared, v->shared_len)))
    {
      goto failure;
    }
    if (!b->get_shared_secret(b, &bsec) ||
      !chunk_equals(bsec, chunk_create(v->shared, v->shared_len)))
    {
      goto failure;
    }

    failed = FALSE;
failure:
    a->destroy(a);
    b->destroy(b);
    chunk_free(&apub);
    chunk_free(&bpub);
    chunk_free(&asec);
    chunk_free(&bsec);
    if (failed)
    {
      DBG1(DBG_LIB, "disabled %N[%s]: %s test vector failed",
         key_exchange_method_names, method, plugin_name, get_name(v));
      break;
    }
  }
  enumerator->destroy(enumerator);
  if (!tested)
  {
    DBG1(DBG_LIB, "%s %N[%s]: no test vectors found / untestable",
       this->required ? "disabled" : "enabled ",
       key_exchange_method_names, method, plugin_name);
    return !this->required;
  }
  if (!failed)
  {
    if (speed)
    {
      *speed = bench_ke(this, method, create);
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors, %d points",
         key_exchange_method_names, method, plugin_name, tested, *speed);
    }
    else
    {
      DBG1(DBG_LIB, "enabled  %N[%s]: passed %u test vectors",
         key_exchange_method_names, method, plugin_name, tested);
    }
  }
  return !failed;
}

METHOD(crypto_tester_t, add_crypter_vector, void,
  private_crypto_tester_t *this, crypter_test_vector_t *vector)
{
  this->crypter->insert_last(this->crypter, vector);
}

METHOD(crypto_tester_t, add_aead_vector, void,
  private_crypto_tester_t *this, aead_test_vector_t *vector)
{
  this->aead->insert_last(this->aead, vector);
}

METHOD(crypto_tester_t, add_signer_vector, void,
  private_crypto_tester_t *this, signer_test_vector_t *vector)
{
  this->signer->insert_last(this->signer, vector);
}

METHOD(crypto_tester_t, add_hasher_vector, void,
  private_crypto_tester_t *this, hasher_test_vector_t *vector)
{
  this->hasher->insert_last(this->hasher, vector);
}

METHOD(crypto_tester_t, add_prf_vector, void,
  private_crypto_tester_t *this, prf_test_vector_t *vector)
{
  this->prf->insert_last(this->prf, vector);
}

METHOD(crypto_tester_t, add_xof_vector, void,
  private_crypto_tester_t *this, xof_test_vector_t *vector)
{
  this->xof->insert_last(this->xof, vector);
}

METHOD(crypto_tester_t, add_kdf_vector, void,
  private_crypto_tester_t *this, kdf_test_vector_t *vector)
{
  this->kdf->insert_last(this->kdf, vector);
}

METHOD(crypto_tester_t, add_drbg_vector, void,
  private_crypto_tester_t *this, drbg_test_vector_t *vector)
{
  this->drbg->insert_last(this->drbg, vector);
}

METHOD(crypto_tester_t, add_rng_vector, void,
  private_crypto_tester_t *this, rng_test_vector_t *vector)
{
  this->rng->insert_last(this->rng, vector);
}

METHOD(crypto_tester_t, add_ke_vector, void,
  private_crypto_tester_t *this, ke_test_vector_t *vector)
{
  this->ke->insert_last(this->ke, vector);
}

METHOD(crypto_tester_t, destroy, void,
  private_crypto_tester_t *this)
{
  this->crypter->destroy(this->crypter);
  this->aead->destroy(this->aead);
  this->signer->destroy(this->signer);
  this->hasher->destroy(this->hasher);
  this->prf->destroy(this->prf);
  this->xof->destroy(this->xof);
  this->kdf->destroy(this->kdf);
  this->drbg->destroy(this->drbg);
  this->rng->destroy(this->rng);
  this->ke->destroy(this->ke);
  free(this);
}

/**
 * See header
 */
crypto_tester_t *crypto_tester_create()
{
  private_crypto_tester_t *this;

  INIT(this,
    .public = {
      .test_crypter = _test_crypter,
      .test_aead = _test_aead,
      .test_signer = _test_signer,
      .test_hasher = _test_hasher,
      .test_prf = _test_prf,
      .test_xof = _test_xof,
      .test_kdf = _test_kdf,
      .test_drbg = _test_drbg,
      .test_rng = _test_rng,
      .test_ke = _test_ke,
      .add_crypter_vector = _add_crypter_vector,
      .add_aead_vector = _add_aead_vector,
      .add_signer_vector = _add_signer_vector,
      .add_hasher_vector = _add_hasher_vector,
      .add_prf_vector = _add_prf_vector,
      .add_xof_vector = _add_xof_vector,
      .add_kdf_vector = _add_kdf_vector,
      .add_drbg_vector = _add_drbg_vector,
      .add_rng_vector = _add_rng_vector,
      .add_ke_vector = _add_ke_vector,
      .destroy = _destroy,
    },
    .crypter = linked_list_create(),
    .aead = linked_list_create(),
    .signer = linked_list_create(),
    .hasher = linked_list_create(),
    .prf = linked_list_create(),
    .xof = linked_list_create(),
    .kdf = linked_list_create(),
    .drbg = linked_list_create(),
    .rng = linked_list_create(),
    .ke = linked_list_create(),

    .required = lib->settings->get_bool(lib->settings,
                "%s.crypto_test.required", FALSE, lib->ns),
    .rng_true = lib->settings->get_bool(lib->settings,
                "%s.crypto_test.rng_true", FALSE, lib->ns),
    .bench_time = lib->settings->get_int(lib->settings,
                "%s.crypto_test.bench_time", 50, lib->ns),
    .bench_size = lib->settings->get_int(lib->settings,
                "%s.crypto_test.bench_size", 1024, lib->ns),
  );

  /* enforce a block size of 16, should be fine for all algorithms */
  this->bench_size = this->bench_size / 16 * 16;

  return &this->public;
}

Coverage Report

Created: 2024-02-29 06:05