Streamlined DRBG and MGF1 debug output
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bced16ee11
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@ -71,6 +71,7 @@ ntru_mgftp1(
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ntru_mgf1_t *mgf1;
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/* generate minimum MGF1 output */
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DBG2(DBG_LIB, "MGF1 is seeded with %u octets", seed_len);
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mgf1 = ntru_mgf1_create(hash_algid, chunk_create(seed, seed_len), TRUE);
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if (!mgf1)
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{
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@ -80,7 +81,8 @@ ntru_mgftp1(
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octets = buf;
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octets_available = min_calls * md_len;
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DBG2(DBG_LIB, "MGF1 generates %u octets", octets_available);
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DBG2(DBG_LIB, "MGF1 generates %u octets to extract %d trits",
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octets_available, num_trits_needed);
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if (!mgf1->get_mask(mgf1, octets_available, octets))
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{
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mgf1->destroy(mgf1);
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@ -96,7 +98,8 @@ ntru_mgftp1(
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octets = buf;
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octets_available = md_len;
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DBG2(DBG_LIB, "MGF1 generates another %u octets", octets_available);
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DBG2(DBG_LIB, "MGF1 generates another %u octets for the remaining "
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"%u trits", octets_available, num_trits_needed);
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if (!mgf1->get_mask(mgf1, octets_available, octets))
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{
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mgf1->destroy(mgf1);
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@ -125,7 +128,8 @@ ntru_mgftp1(
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octets = buf;
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octets_available = md_len;
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DBG2(DBG_LIB, "MGF1 generates another %u octets", octets_available);
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DBG2(DBG_LIB, "MGF1 generates another %u octets for the remaining "
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"%u trits", octets_available, num_trits_needed);
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if (!mgf1->get_mask(mgf1, octets_available, octets))
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{
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mgf1->destroy(mgf1);
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@ -93,6 +93,7 @@ ntru_gen_poly(
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ntru_mgf1_t *mgf1;
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/* generate minimum MGF1 output */
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DBG2(DBG_LIB, "MGF1 is seeded with %u octets", seed_len);
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mgf1 = ntru_mgf1_create(hash_algid, chunk_create(seed, seed_len), TRUE);
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if (!mgf1)
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{
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@ -102,13 +103,6 @@ ntru_gen_poly(
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octets = buf;
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octets_available = min_calls * md_len;
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DBG2(DBG_LIB, "MGF1 generates %u octets", octets_available);
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if (!mgf1->get_mask(mgf1, octets_available, octets))
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{
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mgf1->destroy(mgf1);
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return NTRU_MGF1_FAIL;
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}
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/* init indices counts for number of polynomials being generated */
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if (is_product_form) {
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@ -134,6 +128,13 @@ ntru_gen_poly(
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memset(used, 0, N);
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/* generate indices (IGF-2) for all polynomials */
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DBG2(DBG_LIB, "MGF1 generates %u octets for %u indices",
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octets_available, num_indices);
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if (!mgf1->get_mask(mgf1, octets_available, octets))
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{
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mgf1->destroy(mgf1);
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return NTRU_MGF1_FAIL;
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}
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while (num_polys > 0) {
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@ -166,8 +167,9 @@ ntru_gen_poly(
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octets = buf;
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octets_available = md_len;
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DBG2(DBG_LIB, "MGF1 generates another %u octets",
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octets_available);
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DBG2(DBG_LIB, "MGF1 generates another %u octets for the "
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"remaining %u indices", octets_available,
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num_indices - index_cnt);
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if (!mgf1->get_mask(mgf1, octets_available, octets))
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{
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mgf1->destroy(mgf1);
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@ -119,7 +119,7 @@ METHOD(ntru_drbg_t, reseed, bool,
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chunk_t seed;
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seed = chunk_alloc(this->strength / BITS_PER_BYTE);
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DBG2(DBG_LIB, "DBRG requesting %u bytes of entropy", seed.len);
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DBG2(DBG_LIB, "DRG requests %u bytes of entropy", seed.len);
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if (!this->entropy->get_bytes(this->entropy, seed.len, seed.ptr))
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{
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@ -254,7 +254,7 @@ ntru_drbg_t *ntru_drbg_create(u_int32_t strength, chunk_t pers_str,
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entropy_len = (strength + strength/2) / BITS_PER_BYTE;
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seed = chunk_alloc(entropy_len + pers_str.len);
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DBG2(DBG_LIB, "DBRG requesting %u bytes of entropy", entropy_len);
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DBG2(DBG_LIB, "DRBG requests %u bytes of entropy", entropy_len);
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if (!this->entropy->get_bytes(this->entropy, entropy_len, seed.ptr))
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{
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