kris/pqcrypto
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Code Issues 1 Releases Wiki Activity

remove OPENSSL preprocessor conditionals

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This commit is contained in:
Matthias J. Kannwischer 2019-05-21 15:17:57 +02:00
parent 081442bb8d
commit 7701666093
1 changed files with 0 additions and 34 deletions
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34
crypto_kem/frodokem640shake/opt/matrix_shake.c
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@ -28,19 +28,8 @@ int PQCLEAN_FRODOKEM640SHAKE_OPT_mul_add_as_plus_e(uint16_t *out, const uint16_t
#if defined(USE_AES128_FOR_A)
int16_t a_row_temp[4 * PARAMS_N] = {0}; // Take four lines of A at once
#if !defined(USE_OPENSSL)
uint8_t aes_key_schedule[16 * 11];
AES128_load_schedule(seed_A, aes_key_schedule);
#else
EVP_CIPHER_CTX *aes_key_schedule;
int len;
if (!(aes_key_schedule = EVP_CIPHER_CTX_new())) {
handleErrors();
}
if (1 != EVP_EncryptInit_ex(aes_key_schedule, EVP_aes_128_ecb(), NULL, seed_A, NULL)) {
handleErrors();
}
#endif
for (j = 0; j < PARAMS_N; j += PARAMS_STRIPE_STEP) {
a_row_temp[j + 1 + 0 * PARAMS_N] = PQCLEAN_FRODOKEM640SHAKE_OPT_UINT16_TO_LE(j); // Loading values in the little-endian order
@ -57,13 +46,7 @@ int PQCLEAN_FRODOKEM640SHAKE_OPT_mul_add_as_plus_e(uint16_t *out, const uint16_t
a_row_temp[j + 3 * PARAMS_N] = PQCLEAN_FRODOKEM640SHAKE_OPT_UINT16_TO_LE(i + 3);
}
#if !defined(USE_OPENSSL)
AES128_ECB_enc_sch((uint8_t *)a_row_temp, 4 * PARAMS_N * sizeof(int16_t), aes_key_schedule, (uint8_t *)a_row);
#else
if (1 != EVP_EncryptUpdate(aes_key_schedule, (uint8_t *)a_row, &len, (uint8_t *)a_row_temp, 4 * PARAMS_N * sizeof(int16_t))) {
handleErrors();
}
#endif
#elif defined (USE_SHAKE128_FOR_A)
uint8_t seed_A_separated[2 + BYTES_SEED_A];
uint16_t *seed_A_origin = (uint16_t *)&seed_A_separated;
@ -121,19 +104,8 @@ int PQCLEAN_FRODOKEM640SHAKE_OPT_mul_add_sa_plus_e(uint16_t *out, const uint16_t
uint16_t a_cols[PARAMS_N * PARAMS_STRIPE_STEP] = {0};
uint16_t a_cols_t[PARAMS_N * PARAMS_STRIPE_STEP];
uint16_t a_cols_temp[PARAMS_N * PARAMS_STRIPE_STEP] = {0};
#if !defined(USE_OPENSSL)
uint8_t aes_key_schedule[16 * 11];
AES128_load_schedule(seed_A, aes_key_schedule);
#else
EVP_CIPHER_CTX *aes_key_schedule;
int len;
if (!(aes_key_schedule = EVP_CIPHER_CTX_new())) {
handleErrors();
}
if (1 != EVP_EncryptInit_ex(aes_key_schedule, EVP_aes_128_ecb(), NULL, seed_A, NULL)) {
handleErrors();
}
#endif
for (i = 0, j = 0; i < PARAMS_N; i++, j += PARAMS_STRIPE_STEP) {
a_cols_temp[j] = PQCLEAN_FRODOKEM640SHAKE_OPT_UINT16_TO_LE(i); // Loading values in the little-endian order
@ -144,13 +116,7 @@ int PQCLEAN_FRODOKEM640SHAKE_OPT_mul_add_sa_plus_e(uint16_t *out, const uint16_t
a_cols_temp[i + 1] = PQCLEAN_FRODOKEM640SHAKE_OPT_UINT16_TO_LE(kk); // Loading values in the little-endian order
}
#if !defined(USE_OPENSSL)
AES128_ECB_enc_sch((uint8_t *)a_cols_temp, PARAMS_N * PARAMS_STRIPE_STEP * sizeof(int16_t), aes_key_schedule, (uint8_t *)a_cols);
#else
if (1 != EVP_EncryptUpdate(aes_key_schedule, (uint8_t *)a_cols, &len, (uint8_t *)a_cols_temp, PARAMS_N * PARAMS_STRIPE_STEP * sizeof(int16_t))) {
handleErrors();
}
#endif
for (i = 0; i < PARAMS_N; i++) { // Transpose a_cols to have access to it in the column-major order.
for (k = 0; k < PARAMS_STRIPE_STEP; k++) {