Lines Matching defs:prng
35 @param prng [out] The PRNG state to initialize
38 int yarrow_start(prng_state *prng)
42 LTC_ARGCHK(prng != NULL);
47 prng->yarrow.cipher = register_cipher(&rijndael_enc_desc);
49 prng->yarrow.cipher = register_cipher(&aes_enc_desc);
51 prng->yarrow.cipher = register_cipher(&rijndael_desc);
53 prng->yarrow.cipher = register_cipher(&aes_desc);
56 prng->yarrow.cipher = register_cipher(&blowfish_desc);
58 prng->yarrow.cipher = register_cipher(&twofish_desc);
60 prng->yarrow.cipher = register_cipher(&rc6_desc);
62 prng->yarrow.cipher = register_cipher(&rc5_desc);
64 prng->yarrow.cipher = register_cipher(&saferp_desc);
66 prng->yarrow.cipher = register_cipher(&rc2_desc);
68 prng->yarrow.cipher = register_cipher(&noekeon_desc);
70 prng->yarrow.cipher = register_cipher(&anubis_desc);
72 prng->yarrow.cipher = register_cipher(&kseed_desc);
74 prng->yarrow.cipher = register_cipher(&khazad_desc);
76 prng->yarrow.cipher = register_cipher(&cast5_desc);
78 prng->yarrow.cipher = register_cipher(&xtea_desc);
80 prng->yarrow.cipher = register_cipher(&safer_sk128_desc);
82 prng->yarrow.cipher = register_cipher(&des3_desc);
86 if ((err = cipher_is_valid(prng->yarrow.cipher)) != CRYPT_OK) {
91 prng->yarrow.hash = register_hash(&sha256_desc);
93 prng->yarrow.hash = register_hash(&sha512_desc);
95 prng->yarrow.hash = register_hash(&tiger_desc);
97 prng->yarrow.hash = register_hash(&sha1_desc);
99 prng->yarrow.hash = register_hash(&rmd320_desc);
101 prng->yarrow.hash = register_hash(&rmd256_desc);
103 prng->yarrow.hash = register_hash(&rmd160_desc);
105 prng->yarrow.hash = register_hash(&rmd128_desc);
107 prng->yarrow.hash = register_hash(&md5_desc);
109 prng->yarrow.hash = register_hash(&md4_desc);
111 prng->yarrow.hash = register_hash(&md2_desc);
113 prng->yarrow.hash = register_hash(&whirlpool_desc);
117 if ((err = hash_is_valid(prng->yarrow.hash)) != CRYPT_OK) {
122 zeromem(prng->yarrow.pool, sizeof(prng->yarrow.pool));
123 LTC_MUTEX_INIT(&prng->yarrow.prng_lock)
132 @param prng PRNG state to update
135 int yarrow_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng)
141 LTC_ARGCHK(prng != NULL);
143 LTC_MUTEX_LOCK(&prng->yarrow.prng_lock);
145 if ((err = hash_is_valid(prng->yarrow.hash)) != CRYPT_OK) {
146 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
151 if ((err = hash_descriptor[prng->yarrow.hash].init(&md)) != CRYPT_OK) {
152 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
157 if ((err = hash_descriptor[prng->yarrow.hash].process(&md, prng->yarrow.pool,
158 hash_descriptor[prng->yarrow.hash].hashsize)) != CRYPT_OK) {
159 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
164 if ((err = hash_descriptor[prng->yarrow.hash].process(&md, in, inlen)) != CRYPT_OK) {
165 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
170 if ((err = hash_descriptor[prng->yarrow.hash].done(&md, prng->yarrow.pool)) != CRYPT_OK) {
171 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
175 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
181 @param prng The PRNG to make active
184 int yarrow_ready(prng_state *prng)
188 LTC_ARGCHK(prng != NULL);
189 LTC_MUTEX_LOCK(&prng->yarrow.prng_lock);
191 if ((err = hash_is_valid(prng->yarrow.hash)) != CRYPT_OK) {
192 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
196 if ((err = cipher_is_valid(prng->yarrow.cipher)) != CRYPT_OK) {
197 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
202 ks = (int)hash_descriptor[prng->yarrow.hash].hashsize;
203 if ((err = cipher_descriptor[prng->yarrow.cipher].keysize(&ks)) != CRYPT_OK) {
204 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
208 if ((err = ctr_start(prng->yarrow.cipher, /* what cipher to use */
209 prng->yarrow.pool, /* IV */
210 prng->yarrow.pool, ks, /* KEY and key size */
213 &prng->yarrow.ctr)) != CRYPT_OK) {
214 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
217 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
225 @param prng The active PRNG to read from
228 unsigned long yarrow_read(unsigned char *out, unsigned long outlen, prng_state *prng)
231 LTC_ARGCHK(prng != NULL);
233 LTC_MUTEX_LOCK(&prng->yarrow.prng_lock);
239 if (ctr_encrypt(out, out, outlen, &prng->yarrow.ctr) != CRYPT_OK) {
240 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
243 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
249 @param prng The PRNG to terminate
252 int yarrow_done(prng_state *prng)
255 LTC_ARGCHK(prng != NULL);
257 LTC_MUTEX_LOCK(&prng->yarrow.prng_lock);
262 err = ctr_done(&prng->yarrow.ctr);
264 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
272 @param prng The PRNG to export
275 int yarrow_export(unsigned char *out, unsigned long *outlen, prng_state *prng)
279 LTC_ARGCHK(prng != NULL);
281 LTC_MUTEX_LOCK(&prng->yarrow.prng_lock);
285 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
290 if (yarrow_read(out, 64, prng) != 64) {
291 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
303 @param prng The PRNG to import
306 int yarrow_import(const unsigned char *in, unsigned long inlen, prng_state *prng)
311 LTC_ARGCHK(prng != NULL);
313 LTC_MUTEX_LOCK(&prng->yarrow.prng_lock);
316 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
320 if ((err = yarrow_start(prng)) != CRYPT_OK) {
321 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
324 err = yarrow_add_entropy(in, 64, prng);
325 LTC_MUTEX_UNLOCK(&prng->yarrow.prng_lock);
339 prng_state prng;
341 if ((err = yarrow_start(&prng)) != CRYPT_OK) {
346 if ((err = cipher_descriptor[prng.yarrow.cipher].test()) != CRYPT_OK) {
349 if ((err = hash_descriptor[prng.yarrow.hash].test()) != CRYPT_OK) {