lib/hcrypto/rsa.c

1 /*	$NetBSD: rsa.c,v 1.2 2017/01/28 21:31:47 christos Exp $	*/
43 #include <rsa.h>
57  *   same rsa keys (1024 and 2048)
101     RSA *rsa;
103     rsa = calloc(1, sizeof(*rsa));
104     if (rsa == NULL)
107     rsa->references = 1;
111 	rsa->engine = engine;
113 	rsa->engine = ENGINE_get_default_RSA();
116     if (rsa->engine) {
117 	rsa->meth = ENGINE_get_RSA(rsa->engine);
118 	if (rsa->meth == NULL) {
120 	    free(rsa);
125     if (rsa->meth == NULL)
126 	rsa->meth = rk_UNCONST(RSA_get_default_method());
128     (*rsa->meth->init)(rsa);
130     return rsa;
136  * @param rsa the RSA object to free.
141 RSA_free(RSA *rsa)
143     if (rsa->references <= 0)
146     if (--rsa->references > 0)
149     (*rsa->meth->finish)(rsa);
151     if (rsa->engine)
152 	ENGINE_finish(rsa->engine);
155     free_if(rsa->n);
156     free_if(rsa->e);
157     free_if(rsa->d);
158     free_if(rsa->p);
159     free_if(rsa->q);
160     free_if(rsa->dmp1);
161     free_if(rsa->dmq1);
162     free_if(rsa->iqmp);
165     memset(rsa, 0, sizeof(*rsa));
166     free(rsa);
173  * @param rsa the object to add reference counting too.
182 RSA_up_ref(RSA *rsa)
184     return ++rsa->references;
190  * @param rsa the object to get the method from.
198 RSA_get_method(const RSA *rsa)
200     return rsa->meth;
206  * @param rsa rsa parameter.
215 RSA_set_method(RSA *rsa, const RSA_METHOD *method)
217     (*rsa->meth->finish)(rsa);
219     if (rsa->engine) {
220 	ENGINE_finish(rsa->engine);
221 	rsa->engine = NULL;
224     rsa->meth = method;
225     (*rsa->meth->init)(rsa);
232  * @param rsa the rsa object to set the parameter for
241 RSA_set_app_data(RSA *rsa, void *arg)
243     rsa->ex_data.sk = arg;
250  * @param rsa the rsa object to get the parameter for
258 RSA_get_app_data(const RSA *rsa)
260     return rsa->ex_data.sk;
267     RSA *rsa = rk_UNCONST(key);
277     if ((rsa->d == NULL || rsa->n == NULL) &&
278 	(rsa->p == NULL || rsa->q || rsa->dmp1 == NULL || rsa->dmq1 == NULL || rsa->iqmp == NULL))
281     buffer = malloc(RSA_size(rsa));
286 			     rsa, RSA_PKCS1_PADDING);
293 			      rsa, RSA_PKCS1_PADDING);
308 RSA_size(const RSA *rsa)
310     return BN_num_bytes(rsa->n);
342 	 unsigned char *to, unsigned int *tlen, RSA *rsa)
344     if (rsa->meth->rsa_sign)
345 	return rsa->meth->rsa_sign(type, from, flen, to, tlen, rsa);
347     if (rsa->meth->rsa_priv_enc) {
378 	ret = rsa->meth->rsa_priv_enc(indata.length, indata.data, to,
379 				      rsa, RSA_PKCS1_PADDING);
395 	   unsigned char *sigbuf, unsigned int siglen, RSA *rsa)
397     if (rsa->meth->rsa_verify)
398 	return rsa->meth->rsa_verify(type, from, flen, sigbuf, siglen, rsa);
400     if (rsa->meth->rsa_pub_dec) {
407 	data = malloc(RSA_size(rsa));
413 	ret = rsa->meth->rsa_pub_dec(siglen, sigbuf, data, rsa, RSA_PKCS1_PADDING);
485 null_rsa_init(RSA *rsa)
491 null_rsa_finish(RSA *rsa)
542 d2i_RSAPrivateKey(RSA *rsa, const unsigned char **pp, size_t len)
545     RSA *k = rsa;
584 i2d_RSAPrivateKey(RSA *rsa, unsigned char **pp)
590     if (rsa->n == NULL || rsa->e == NULL || rsa->d == NULL || rsa->p == NULL ||
591 	rsa->q == NULL || rsa->dmp1 == NULL || rsa->dmq1 == NULL ||
592 	rsa->iqmp == NULL)
597     ret  = _hc_BN_to_integer(rsa->n, &data.modulus);
598     ret |= _hc_BN_to_integer(rsa->e, &data.publicExponent);
599     ret |= _hc_BN_to_integer(rsa->d, &data.privateExponent);
600     ret |= _hc_BN_to_integer(rsa->p, &data.prime1);
601     ret |= _hc_BN_to_integer(rsa->q, &data.prime2);
602     ret |= _hc_BN_to_integer(rsa->dmp1, &data.exponent1);
603     ret |= _hc_BN_to_integer(rsa->dmq1, &data.exponent2);
604     ret |= _hc_BN_to_integer(rsa->iqmp, &data.coefficient);
634 i2d_RSAPublicKey(RSA *rsa, unsigned char **pp)
642     if (_hc_BN_to_integer(rsa->n, &data.modulus) ||
643 	_hc_BN_to_integer(rsa->e, &data.publicExponent))
673 d2i_RSAPublicKey(RSA *rsa, const unsigned char **pp, size_t len)
676     RSA *k = rsa;