diff options
Diffstat (limited to 'src/libstrongswan/plugins/fips_prf/fips_prf.c')
-rw-r--r-- | src/libstrongswan/plugins/fips_prf/fips_prf.c | 55 |
1 files changed, 26 insertions, 29 deletions
diff --git a/src/libstrongswan/plugins/fips_prf/fips_prf.c b/src/libstrongswan/plugins/fips_prf/fips_prf.c index ad03fa585..ee71f6efd 100644 --- a/src/libstrongswan/plugins/fips_prf/fips_prf.c +++ b/src/libstrongswan/plugins/fips_prf/fips_prf.c @@ -106,7 +106,8 @@ static void chunk_mod(size_t length, chunk_t chunk, u_int8_t buffer[]) * 0xcb, 0x0f, 0x6c, 0x55, 0xba, 0xbb, 0x13, 0x78, * 0x8e, 0x20, 0xd7, 0x37, 0xa3, 0x27, 0x51, 0x16 */ -static void get_bytes(private_fips_prf_t *this, chunk_t seed, u_int8_t w[]) +METHOD(prf_t, get_bytes, void, + private_fips_prf_t *this, chunk_t seed, u_int8_t w[]) { int i; u_int8_t xval[this->b]; @@ -139,34 +140,26 @@ static void get_bytes(private_fips_prf_t *this, chunk_t seed, u_int8_t w[]) /* 3.3 done already, mod q not used */ } -/** - * Implementation of prf_t.get_block_size. - */ -static size_t get_block_size(private_fips_prf_t *this) +METHOD(prf_t, get_block_size, size_t, + private_fips_prf_t *this) { return 2 * this->b; } -/** - * Implementation of prf_t.allocate_bytes. - */ -static void allocate_bytes(private_fips_prf_t *this, chunk_t seed, chunk_t *chunk) +METHOD(prf_t, allocate_bytes, void, + private_fips_prf_t *this, chunk_t seed, chunk_t *chunk) { *chunk = chunk_alloc(get_block_size(this)); get_bytes(this, seed, chunk->ptr); } -/** - * Implementation of prf_t.get_key_size. - */ -static size_t get_key_size(private_fips_prf_t *this) +METHOD(prf_t, get_key_size, size_t, + private_fips_prf_t *this) { return this->b; } -/** - * Implementation of prf_t.set_key. - */ -static void set_key(private_fips_prf_t *this, chunk_t key) +METHOD(prf_t, set_key, void, + private_fips_prf_t *this, chunk_t key) { /* save key as "key mod 2^b" */ chunk_mod(this->b, key, this->key); @@ -198,10 +191,8 @@ void g_sha1(private_fips_prf_t *this, chunk_t c, u_int8_t res[]) this->keyed_prf->get_bytes(this->keyed_prf, c, res); } -/** - * Implementation of prf_t.destroy. - */ -static void destroy(private_fips_prf_t *this) +METHOD(prf_t, destroy, void, + private_fips_prf_t *this) { this->keyed_prf->destroy(this->keyed_prf); free(this->key); @@ -213,14 +204,20 @@ static void destroy(private_fips_prf_t *this) */ fips_prf_t *fips_prf_create(pseudo_random_function_t algo) { - private_fips_prf_t *this = malloc_thing(private_fips_prf_t); - - this->public.prf_interface.get_bytes = (void (*) (prf_t *,chunk_t,u_int8_t*))get_bytes; - this->public.prf_interface.allocate_bytes = (void (*) (prf_t*,chunk_t,chunk_t*))allocate_bytes; - this->public.prf_interface.get_block_size = (size_t (*) (prf_t*))get_block_size; - this->public.prf_interface.get_key_size = (size_t (*) (prf_t*))get_key_size; - this->public.prf_interface.set_key = (void (*) (prf_t *,chunk_t))set_key; - this->public.prf_interface.destroy = (void (*) (prf_t *))destroy; + private_fips_prf_t *this; + + INIT(this, + .public = { + .prf_interface = { + .get_bytes = _get_bytes, + .allocate_bytes = _allocate_bytes, + .get_block_size = _get_block_size, + .get_key_size = _get_key_size, + .set_key = _set_key, + .destroy = _destroy, + }, + }, + ); switch (algo) { |