diff options
Diffstat (limited to 'Source/charon/utils/gmp_helper.c')
| -rw-r--r-- | Source/charon/utils/gmp_helper.c | 35 |
1 files changed, 13 insertions, 22 deletions
diff --git a/Source/charon/utils/gmp_helper.c b/Source/charon/utils/gmp_helper.c index f0454a0be..998e94b10 100644 --- a/Source/charon/utils/gmp_helper.c +++ b/Source/charon/utils/gmp_helper.c @@ -1,7 +1,7 @@ /** * @file gmp_helper.c * - * @brief Class with helper functions for gmp operations + * @brief Implementation of gmp_helper_t. * */ @@ -29,10 +29,11 @@ #include <utils/randomizer.h> /** - * Number of times the probabilistic primality test is applied + * Number of times the probabilistic primality test is applied. */ #define PRIMECHECK_ROUNDS 30 + typedef struct private_gmp_helper_t private_gmp_helper_t; /** @@ -40,7 +41,7 @@ typedef struct private_gmp_helper_t private_gmp_helper_t; */ struct private_gmp_helper_t { /** - * public gmp_helper_t interface + * Public gmp_helper_t interface. */ gmp_helper_t public; @@ -48,8 +49,7 @@ struct private_gmp_helper_t { /** - * Implements private_gmp_helper_t's chunk_to_mpz function. - * See #private_gmp_helper_t.chunk_to_mpz for description. + * Implementation of gmp_helper_t.chunk_to_mpz. */ static void chunk_to_mpz(private_gmp_helper_t *this, mpz_t *mpz_value, chunk_t data) { @@ -65,8 +65,7 @@ static void chunk_to_mpz(private_gmp_helper_t *this, mpz_t *mpz_value, chunk_t d } /** - * Implements private_gmp_helper_t's mpz_to_chunk function. - * See #private_gmp_helper_t.mpz_to_chunk for description. + * Implementation of gmp_helper_t.mpz_to_chunk. */ static status_t mpz_to_chunk (private_gmp_helper_t *this,mpz_t *mpz_value, chunk_t *data,size_t bytes) { @@ -115,8 +114,7 @@ static status_t mpz_to_chunk (private_gmp_helper_t *this,mpz_t *mpz_value, chunk } /** - * Implements gmp_helper_t's init_prime function. - * See #gmp_helper_t.init_prime for description. + * Implementation of gmp_helper_t.init_prime. */ static status_t init_prime (private_gmp_helper_t *this, mpz_t *prime, int bytes) { @@ -140,11 +138,7 @@ static status_t init_prime (private_gmp_helper_t *this, mpz_t *prime, int bytes) /* not needed anymore */ randomizer->destroy(randomizer); - if (status != SUCCESS) - { - return status; - } - + /* convert chunk to mpz value */ this->public.chunk_to_mpz(&(this->public),prime, random_bytes); @@ -158,7 +152,9 @@ static status_t init_prime (private_gmp_helper_t *this, mpz_t *prime, int bytes) return SUCCESS; } - +/** + * Implementation of gmp_helper_t.init_prime_fast. + */ static status_t init_prime_fast (private_gmp_helper_t *this, mpz_t *prime, int bytes){ randomizer_t *randomizer; chunk_t random_bytes; @@ -182,10 +178,6 @@ static status_t init_prime_fast (private_gmp_helper_t *this, mpz_t *prime, int b random_bytes.ptr[0] = random_bytes.ptr[0] | 0x80; /* not needed anymore */ randomizer->destroy(randomizer); - if (status != SUCCESS) - { - return status; - } /* convert chunk to mpz value */ this->public.chunk_to_mpz(&(this->public),prime, random_bytes); @@ -214,7 +206,7 @@ static status_t init_prime_fast (private_gmp_helper_t *this, mpz_t *prime, int b length = mpz_sizeinbase(*prime, 2); - /* check bit length of primee */ + /* check bit length of prime */ if ((length < (bytes * 8)) || (length > ((bytes * 8) + 1))) { return FAILED; @@ -235,8 +227,7 @@ static status_t init_prime_fast (private_gmp_helper_t *this, mpz_t *prime, int b /** - * Implements gmp_helper_t's destroy function. - * See #gmp_helper_t.destroy for description. + * Implementation of gmp_helper_t.destroy. */ static status_t destroy(private_gmp_helper_t *this) { |