Ruby 2.0.0p247(2013-06-27revision41674)

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ossl_pkey_rsa.c
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1 /*
2 * $Id: ossl_pkey_rsa.c 36355 2012-07-10 13:57:11Z nobu $
3 * 'OpenSSL for Ruby' project
4 * Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
5 * All rights reserved.
6 */
7 /*
8 * This program is licenced under the same licence as Ruby.
9 * (See the file 'LICENCE'.)
10 */
11 #if !defined(OPENSSL_NO_RSA)
12
13 #include "ossl.h"
14
15 #define GetPKeyRSA(obj, pkey) do { \
16 GetPKey((obj), (pkey)); \
17 if (EVP_PKEY_type((pkey)->type) != EVP_PKEY_RSA) { /* PARANOIA? */ \
18 ossl_raise(rb_eRuntimeError, "THIS IS NOT A RSA!") ; \
19 } \
20 } while (0)
21
22 #define RSA_HAS_PRIVATE(rsa) ((rsa)->p && (rsa)->q)
23 #define RSA_PRIVATE(obj,rsa) (RSA_HAS_PRIVATE(rsa)||OSSL_PKEY_IS_PRIVATE(obj))
24
25 /*
26 * Classes
27 */
28 VALUE cRSA;
29 VALUE eRSAError;
30
31 /*
32 * Public
33 */
34 static VALUE
35 rsa_instance(VALUE klass, RSA *rsa)
36 {
37 EVP_PKEY *pkey;
38 VALUE obj;
39
40 if (!rsa) {
41 return Qfalse;
42 }
43 if (!(pkey = EVP_PKEY_new())) {
44 return Qfalse;
45 }
46 if (!EVP_PKEY_assign_RSA(pkey, rsa)) {
47 EVP_PKEY_free(pkey);
48 return Qfalse;
49 }
50 WrapPKey(klass, obj, pkey);
51
52 return obj;
53 }
54
55 VALUE
56 ossl_rsa_new(EVP_PKEY *pkey)
57 {
58 VALUE obj;
59
60 if (!pkey) {
61 obj = rsa_instance(cRSA, RSA_new());
62 }
63 else {
64 if (EVP_PKEY_type(pkey->type) != EVP_PKEY_RSA) {
65 ossl_raise(rb_eTypeError, "Not a RSA key!");
66 }
67 WrapPKey(cRSA, obj, pkey);
68 }
69 if (obj == Qfalse) {
70 ossl_raise(eRSAError, NULL);
71 }
72
73 return obj;
74 }
75
76 /*
77 * Private
78 */
79 #if defined(HAVE_RSA_GENERATE_KEY_EX) && HAVE_BN_GENCB
80 struct rsa_blocking_gen_arg {
81 RSA *rsa;
82 BIGNUM *e;
83 int size;
84 BN_GENCB *cb;
85 int result;
86 };
87
88 static void *
89 rsa_blocking_gen(void *arg)
90 {
91 struct rsa_blocking_gen_arg *gen = (struct rsa_blocking_gen_arg *)arg;
92 gen->result = RSA_generate_key_ex(gen->rsa, gen->size, gen->e, gen->cb);
93 return 0;
94 }
95 #endif
96
97 static RSA *
98 rsa_generate(int size, unsigned long exp)
99 {
100 #if defined(HAVE_RSA_GENERATE_KEY_EX) && HAVE_BN_GENCB
101 int i;
102 BN_GENCB cb;
103 struct ossl_generate_cb_arg cb_arg;
104 struct rsa_blocking_gen_arg gen_arg;
105 RSA *rsa = RSA_new();
106 BIGNUM *e = BN_new();
107
108 if (!rsa || !e) {
109 if (e) BN_free(e);
110 if (rsa) RSA_free(rsa);
111 return 0;
112 }
113 for (i = 0; i < (int)sizeof(exp) * 8; ++i) {
114 if (exp & (1UL << i)) {
115 if (BN_set_bit(e, i) == 0) {
116 BN_free(e);
117 RSA_free(rsa);
118 return 0;
119 }
120 }
121 }
122
123 memset(&cb_arg, 0, sizeof(struct ossl_generate_cb_arg));
124 if (rb_block_given_p())
125 cb_arg.yield = 1;
126 BN_GENCB_set(&cb, ossl_generate_cb_2, &cb_arg);
127 gen_arg.rsa = rsa;
128 gen_arg.e = e;
129 gen_arg.size = size;
130 gen_arg.cb = &cb;
131 if (cb_arg.yield == 1) {
132 /* we cannot release GVL when callback proc is supplied */
133 rsa_blocking_gen(&gen_arg);
134 } else {
135 /* there's a chance to unblock */
136 rb_thread_call_without_gvl(rsa_blocking_gen, &gen_arg, ossl_generate_cb_stop, &cb_arg);
137 }
138 if (!gen_arg.result) {
139 BN_free(e);
140 RSA_free(rsa);
141 if (cb_arg.state) rb_jump_tag(cb_arg.state);
142 return 0;
143 }
144
145 BN_free(e);
146 return rsa;
147 #else
148 return RSA_generate_key(size, exp, rb_block_given_p() ? ossl_generate_cb : NULL, NULL);
149 #endif
150 }
151
152 /*
153 * call-seq:
154 * RSA.generate(size) => RSA instance
155 * RSA.generate(size, exponent) => RSA instance
156 *
157 * Generates an RSA keypair. +size+ is an integer representing the desired key
158 * size. Keys smaller than 1024 should be considered insecure. +exponent+ is
159 * an odd number normally 3, 17, or 65537.
160 */
161 static VALUE
162 ossl_rsa_s_generate(int argc, VALUE *argv, VALUE klass)
163 {
164 /* why does this method exist? why can't initialize take an optional exponent? */
165 RSA *rsa;
166 VALUE size, exp;
167 VALUE obj;
168
169 rb_scan_args(argc, argv, "11", &size, &exp);
170
171 rsa = rsa_generate(NUM2INT(size), NIL_P(exp) ? RSA_F4 : NUM2ULONG(exp)); /* err handled by rsa_instance */
172 obj = rsa_instance(klass, rsa);
173
174 if (obj == Qfalse) {
175 RSA_free(rsa);
176 ossl_raise(eRSAError, NULL);
177 }
178
179 return obj;
180 }
181
182 /*
183 * call-seq:
184 * RSA.new(key_size) => RSA instance
185 * RSA.new(encoded_key) => RSA instance
186 * RSA.new(encoded_key, pass_phrase) => RSA instance
187 *
188 * Generates or loads an RSA keypair. If an integer +key_size+ is given it
189 * represents the desired key size. Keys less than 1024 bits should be
190 * considered insecure.
191 *
192 * A key can instead be loaded from an +encoded_key+ which must be PEM or DER
193 * encoded. A +pass_phrase+ can be used to decrypt the key. If none is given
194 * OpenSSL will prompt for the pass phrase.
195 *
196 * = Examples
197 *
198 * OpenSSL::PKey::RSA.new 2048
199 * OpenSSL::PKey::RSA.new File.read 'rsa.pem'
200 * OpenSSL::PKey::RSA.new File.read('rsa.pem'), 'my pass phrase'
201 */
202 static VALUE
203 ossl_rsa_initialize(int argc, VALUE *argv, VALUE self)
204 {
205 EVP_PKEY *pkey;
206 RSA *rsa;
207 BIO *in;
208 char *passwd = NULL;
209 VALUE arg, pass;
210
211 GetPKey(self, pkey);
212 if(rb_scan_args(argc, argv, "02", &arg, &pass) == 0) {
213 rsa = RSA_new();
214 }
215 else if (FIXNUM_P(arg)) {
216 rsa = rsa_generate(FIX2INT(arg), NIL_P(pass) ? RSA_F4 : NUM2ULONG(pass));
217 if (!rsa) ossl_raise(eRSAError, NULL);
218 }
219 else {
220 if (!NIL_P(pass)) passwd = StringValuePtr(pass);
221 arg = ossl_to_der_if_possible(arg);
222 in = ossl_obj2bio(arg);
223 rsa = PEM_read_bio_RSAPrivateKey(in, NULL, ossl_pem_passwd_cb, passwd);
224 if (!rsa) {
225 OSSL_BIO_reset(in);
226 rsa = PEM_read_bio_RSA_PUBKEY(in, NULL, NULL, NULL);
227 }
228 if (!rsa) {
229 OSSL_BIO_reset(in);
230 rsa = d2i_RSAPrivateKey_bio(in, NULL);
231 }
232 if (!rsa) {
233 OSSL_BIO_reset(in);
234 rsa = d2i_RSA_PUBKEY_bio(in, NULL);
235 }
236 if (!rsa) {
237 OSSL_BIO_reset(in);
238 rsa = PEM_read_bio_RSAPublicKey(in, NULL, NULL, NULL);
239 }
240 if (!rsa) {
241 OSSL_BIO_reset(in);
242 rsa = d2i_RSAPublicKey_bio(in, NULL);
243 }
244 BIO_free(in);
245 if (!rsa) {
246 ossl_raise(eRSAError, "Neither PUB key nor PRIV key");
247 }
248 }
249 if (!EVP_PKEY_assign_RSA(pkey, rsa)) {
250 RSA_free(rsa);
251 ossl_raise(eRSAError, NULL);
252 }
253
254 return self;
255 }
256
257 /*
258 * call-seq:
259 * rsa.public? => true
260 *
261 * The return value is always true since every private key is also a public
262 * key.
263 */
264 static VALUE
265 ossl_rsa_is_public(VALUE self)
266 {
267 EVP_PKEY *pkey;
268
269 GetPKeyRSA(self, pkey);
270 /*
271 * This method should check for n and e. BUG.
272 */
273 return Qtrue;
274 }
275
276 /*
277 * call-seq:
278 * rsa.private? => true | false
279 *
280 * Does this keypair contain a private key?
281 */
282 static VALUE
283 ossl_rsa_is_private(VALUE self)
284 {
285 EVP_PKEY *pkey;
286
287 GetPKeyRSA(self, pkey);
288
289 return (RSA_PRIVATE(self, pkey->pkey.rsa)) ? Qtrue : Qfalse;
290 }
291
292 /*
293 * call-seq:
294 * rsa.to_pem => PEM-format String
295 * rsa.to_pem(cipher, pass_phrase) => PEM-format String
296 *
297 * Outputs this keypair in PEM encoding. If +cipher+ and +pass_phrase+ are
298 * given they will be used to encrypt the key. +cipher+ must be an
299 * OpenSSL::Cipher::Cipher instance.
300 */
301 static VALUE
302 ossl_rsa_export(int argc, VALUE *argv, VALUE self)
303 {
304 EVP_PKEY *pkey;
305 BIO *out;
306 const EVP_CIPHER *ciph = NULL;
307 char *passwd = NULL;
308 VALUE cipher, pass, str;
309
310 GetPKeyRSA(self, pkey);
311
312 rb_scan_args(argc, argv, "02", &cipher, &pass);
313
314 if (!NIL_P(cipher)) {
315 ciph = GetCipherPtr(cipher);
316 if (!NIL_P(pass)) {
317 StringValue(pass);
318 if (RSTRING_LENINT(pass) < OSSL_MIN_PWD_LEN)
319 ossl_raise(eOSSLError, "OpenSSL requires passwords to be at least four characters long");
320 passwd = RSTRING_PTR(pass);
321 }
322 }
323 if (!(out = BIO_new(BIO_s_mem()))) {
324 ossl_raise(eRSAError, NULL);
325 }
326 if (RSA_HAS_PRIVATE(pkey->pkey.rsa)) {
327 if (!PEM_write_bio_RSAPrivateKey(out, pkey->pkey.rsa, ciph,
328 NULL, 0, ossl_pem_passwd_cb, passwd)) {
329 BIO_free(out);
330 ossl_raise(eRSAError, NULL);
331 }
332 } else {
333 if (!PEM_write_bio_RSA_PUBKEY(out, pkey->pkey.rsa)) {
334 BIO_free(out);
335 ossl_raise(eRSAError, NULL);
336 }
337 }
338 str = ossl_membio2str(out);
339
340 return str;
341 }
342
343 /*
344 * call-seq:
345 * rsa.to_der => DER-format String
346 *
347 * Outputs this keypair in DER encoding.
348 */
349 static VALUE
350 ossl_rsa_to_der(VALUE self)
351 {
352 EVP_PKEY *pkey;
353 int (*i2d_func)_((const RSA*, unsigned char**));
354 unsigned char *p;
355 long len;
356 VALUE str;
357
358 GetPKeyRSA(self, pkey);
359 if(RSA_HAS_PRIVATE(pkey->pkey.rsa))
360 i2d_func = i2d_RSAPrivateKey;
361 else
362 i2d_func = (int (*)(const RSA*, unsigned char**))i2d_RSA_PUBKEY;
363 if((len = i2d_func(pkey->pkey.rsa, NULL)) <= 0)
364 ossl_raise(eRSAError, NULL);
365 str = rb_str_new(0, len);
366 p = (unsigned char *)RSTRING_PTR(str);
367 if(i2d_func(pkey->pkey.rsa, &p) < 0)
368 ossl_raise(eRSAError, NULL);
369 ossl_str_adjust(str, p);
370
371 return str;
372 }
373
374 #define ossl_rsa_buf_size(pkey) (RSA_size((pkey)->pkey.rsa)+16)
375
376 /*
377 * call-seq:
378 * rsa.public_encrypt(string) => String
379 * rsa.public_encrypt(string, padding) => String
380 *
381 * Encrypt +string+ with the public key. +padding+ defaults to PKCS1_PADDING.
382 * The encrypted string output can be decrypted using #private_decrypt.
383 */
384 static VALUE
385 ossl_rsa_public_encrypt(int argc, VALUE *argv, VALUE self)
386 {
387 EVP_PKEY *pkey;
388 int buf_len, pad;
389 VALUE str, buffer, padding;
390
391 GetPKeyRSA(self, pkey);
392 rb_scan_args(argc, argv, "11", &buffer, &padding);
393 pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding);
394 StringValue(buffer);
395 str = rb_str_new(0, ossl_rsa_buf_size(pkey));
396 buf_len = RSA_public_encrypt(RSTRING_LENINT(buffer), (unsigned char *)RSTRING_PTR(buffer),
397 (unsigned char *)RSTRING_PTR(str), pkey->pkey.rsa,
398 pad);
399 if (buf_len < 0) ossl_raise(eRSAError, NULL);
400 rb_str_set_len(str, buf_len);
401
402 return str;
403 }
404
405 /*
406 * call-seq:
407 * rsa.public_decrypt(string) => String
408 * rsa.public_decrypt(string, padding) => String
409 *
410 * Decrypt +string+, which has been encrypted with the private key, with the
411 * public key. +padding+ defaults to PKCS1_PADDING.
412 */
413 static VALUE
414 ossl_rsa_public_decrypt(int argc, VALUE *argv, VALUE self)
415 {
416 EVP_PKEY *pkey;
417 int buf_len, pad;
418 VALUE str, buffer, padding;
419
420 GetPKeyRSA(self, pkey);
421 rb_scan_args(argc, argv, "11", &buffer, &padding);
422 pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding);
423 StringValue(buffer);
424 str = rb_str_new(0, ossl_rsa_buf_size(pkey));
425 buf_len = RSA_public_decrypt(RSTRING_LENINT(buffer), (unsigned char *)RSTRING_PTR(buffer),
426 (unsigned char *)RSTRING_PTR(str), pkey->pkey.rsa,
427 pad);
428 if (buf_len < 0) ossl_raise(eRSAError, NULL);
429 rb_str_set_len(str, buf_len);
430
431 return str;
432 }
433
434 /*
435 * call-seq:
436 * rsa.private_encrypt(string) => String
437 * rsa.private_encrypt(string, padding) => String
438 *
439 * Encrypt +string+ with the private key. +padding+ defaults to PKCS1_PADDING.
440 * The encrypted string output can be decrypted using #public_decrypt.
441 */
442 static VALUE
443 ossl_rsa_private_encrypt(int argc, VALUE *argv, VALUE self)
444 {
445 EVP_PKEY *pkey;
446 int buf_len, pad;
447 VALUE str, buffer, padding;
448
449 GetPKeyRSA(self, pkey);
450 if (!RSA_PRIVATE(self, pkey->pkey.rsa)) {
451 ossl_raise(eRSAError, "private key needed.");
452 }
453 rb_scan_args(argc, argv, "11", &buffer, &padding);
454 pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding);
455 StringValue(buffer);
456 str = rb_str_new(0, ossl_rsa_buf_size(pkey));
457 buf_len = RSA_private_encrypt(RSTRING_LENINT(buffer), (unsigned char *)RSTRING_PTR(buffer),
458 (unsigned char *)RSTRING_PTR(str), pkey->pkey.rsa,
459 pad);
460 if (buf_len < 0) ossl_raise(eRSAError, NULL);
461 rb_str_set_len(str, buf_len);
462
463 return str;
464 }
465
466 /*
467 * call-seq:
468 * rsa.private_decrypt(string) => String
469 * rsa.private_decrypt(string, padding) => String
470 *
471 * Decrypt +string+, which has been encrypted with the public key, with the
472 * private key. +padding+ defaults to PKCS1_PADDING.
473 */
474 static VALUE
475 ossl_rsa_private_decrypt(int argc, VALUE *argv, VALUE self)
476 {
477 EVP_PKEY *pkey;
478 int buf_len, pad;
479 VALUE str, buffer, padding;
480
481 GetPKeyRSA(self, pkey);
482 if (!RSA_PRIVATE(self, pkey->pkey.rsa)) {
483 ossl_raise(eRSAError, "private key needed.");
484 }
485 rb_scan_args(argc, argv, "11", &buffer, &padding);
486 pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding);
487 StringValue(buffer);
488 str = rb_str_new(0, ossl_rsa_buf_size(pkey));
489 buf_len = RSA_private_decrypt(RSTRING_LENINT(buffer), (unsigned char *)RSTRING_PTR(buffer),
490 (unsigned char *)RSTRING_PTR(str), pkey->pkey.rsa,
491 pad);
492 if (buf_len < 0) ossl_raise(eRSAError, NULL);
493 rb_str_set_len(str, buf_len);
494
495 return str;
496 }
497
498 /*
499 * call-seq:
500 * rsa.params => hash
501 *
502 * THIS METHOD IS INSECURE, PRIVATE INFORMATION CAN LEAK OUT!!!
503 *
504 * Stores all parameters of key to the hash. The hash has keys 'n', 'e', 'd',
505 * 'p', 'q', 'dmp1', 'dmq1', 'iqmp'.
506 *
507 * Don't use :-)) (It's up to you)
508 */
509 static VALUE
510 ossl_rsa_get_params(VALUE self)
511 {
512 EVP_PKEY *pkey;
513 VALUE hash;
514
515 GetPKeyRSA(self, pkey);
516
517 hash = rb_hash_new();
518
519 rb_hash_aset(hash, rb_str_new2("n"), ossl_bn_new(pkey->pkey.rsa->n));
520 rb_hash_aset(hash, rb_str_new2("e"), ossl_bn_new(pkey->pkey.rsa->e));
521 rb_hash_aset(hash, rb_str_new2("d"), ossl_bn_new(pkey->pkey.rsa->d));
522 rb_hash_aset(hash, rb_str_new2("p"), ossl_bn_new(pkey->pkey.rsa->p));
523 rb_hash_aset(hash, rb_str_new2("q"), ossl_bn_new(pkey->pkey.rsa->q));
524 rb_hash_aset(hash, rb_str_new2("dmp1"), ossl_bn_new(pkey->pkey.rsa->dmp1));
525 rb_hash_aset(hash, rb_str_new2("dmq1"), ossl_bn_new(pkey->pkey.rsa->dmq1));
526 rb_hash_aset(hash, rb_str_new2("iqmp"), ossl_bn_new(pkey->pkey.rsa->iqmp));
527
528 return hash;
529 }
530
531 /*
532 * call-seq:
533 * rsa.to_text => String
534 *
535 * THIS METHOD IS INSECURE, PRIVATE INFORMATION CAN LEAK OUT!!!
536 *
537 * Dumps all parameters of a keypair to a String
538 *
539 * Don't use :-)) (It's up to you)
540 */
541 static VALUE
542 ossl_rsa_to_text(VALUE self)
543 {
544 EVP_PKEY *pkey;
545 BIO *out;
546 VALUE str;
547
548 GetPKeyRSA(self, pkey);
549 if (!(out = BIO_new(BIO_s_mem()))) {
550 ossl_raise(eRSAError, NULL);
551 }
552 if (!RSA_print(out, pkey->pkey.rsa, 0)) { /* offset = 0 */
553 BIO_free(out);
554 ossl_raise(eRSAError, NULL);
555 }
556 str = ossl_membio2str(out);
557
558 return str;
559 }
560
561 /*
562 * call-seq:
563 * rsa.public_key -> RSA
564 *
565 * Makes new RSA instance containing the public key from the private key.
566 */
567 static VALUE
568 ossl_rsa_to_public_key(VALUE self)
569 {
570 EVP_PKEY *pkey;
571 RSA *rsa;
572 VALUE obj;
573
574 GetPKeyRSA(self, pkey);
575 /* err check performed by rsa_instance */
576 rsa = RSAPublicKey_dup(pkey->pkey.rsa);
577 obj = rsa_instance(CLASS_OF(self), rsa);
578 if (obj == Qfalse) {
579 RSA_free(rsa);
580 ossl_raise(eRSAError, NULL);
581 }
582 return obj;
583 }
584
585 /*
586 * TODO: Test me
587
588 static VALUE
589 ossl_rsa_blinding_on(VALUE self)
590 {
591 EVP_PKEY *pkey;
592
593 GetPKeyRSA(self, pkey);
594
595 if (RSA_blinding_on(pkey->pkey.rsa, ossl_bn_ctx) != 1) {
596 ossl_raise(eRSAError, NULL);
597 }
598 return self;
599 }
600
601 static VALUE
602 ossl_rsa_blinding_off(VALUE self)
603 {
604 EVP_PKEY *pkey;
605
606 GetPKeyRSA(self, pkey);
607 RSA_blinding_off(pkey->pkey.rsa);
608
609 return self;
610 }
611 */
612
613 OSSL_PKEY_BN(rsa, n)
614 OSSL_PKEY_BN(rsa, e)
615 OSSL_PKEY_BN(rsa, d)
616 OSSL_PKEY_BN(rsa, p)
617 OSSL_PKEY_BN(rsa, q)
618 OSSL_PKEY_BN(rsa, dmp1)
619 OSSL_PKEY_BN(rsa, dmq1)
620 OSSL_PKEY_BN(rsa, iqmp)
621
622 /*
623 * INIT
624 */
625 #define DefRSAConst(x) rb_define_const(cRSA, #x,INT2FIX(RSA_##x))
626
627 void
628 Init_ossl_rsa()
629 {
630 #if 0
631 mOSSL = rb_define_module("OpenSSL"); /* let rdoc know about mOSSL and mPKey */
632 mPKey = rb_define_module_under(mOSSL, "PKey");
633 #endif
634
635 /* Document-class: OpenSSL::PKey::RSAError
636 *
637 * Generic exception that is raised if an operation on an RSA PKey
638 * fails unexpectedly or in case an instantiation of an instance of RSA
639 * fails due to non-conformant input data.
640 */
641 eRSAError = rb_define_class_under(mPKey, "RSAError", ePKeyError);
642
643 /* Document-class: OpenSSL::PKey::RSA
644 *
645 * RSA is an asymmetric public key algorithm that has been formalized in
646 * RFC 3447. It is in widespread use in public key infrastuctures (PKI)
647 * where certificates (cf. OpenSSL::X509::Certificate) often are issued
648 * on the basis of a public/private RSA key pair. RSA is used in a wide
649 * field of applications such as secure (symmetric) key exchange, e.g.
650 * when establishing a secure TLS/SSL connection. It is also used in
651 * various digital signature schemes.
652 */
653 cRSA = rb_define_class_under(mPKey, "RSA", cPKey);
654
655 rb_define_singleton_method(cRSA, "generate", ossl_rsa_s_generate, -1);
656 rb_define_method(cRSA, "initialize", ossl_rsa_initialize, -1);
657
658 rb_define_method(cRSA, "public?", ossl_rsa_is_public, 0);
659 rb_define_method(cRSA, "private?", ossl_rsa_is_private, 0);
660 rb_define_method(cRSA, "to_text", ossl_rsa_to_text, 0);
661 rb_define_method(cRSA, "export", ossl_rsa_export, -1);
662 rb_define_alias(cRSA, "to_pem", "export");
663 rb_define_alias(cRSA, "to_s", "export");
664 rb_define_method(cRSA, "to_der", ossl_rsa_to_der, 0);
665 rb_define_method(cRSA, "public_key", ossl_rsa_to_public_key, 0);
666 rb_define_method(cRSA, "public_encrypt", ossl_rsa_public_encrypt, -1);
667 rb_define_method(cRSA, "public_decrypt", ossl_rsa_public_decrypt, -1);
668 rb_define_method(cRSA, "private_encrypt", ossl_rsa_private_encrypt, -1);
669 rb_define_method(cRSA, "private_decrypt", ossl_rsa_private_decrypt, -1);
670
671 DEF_OSSL_PKEY_BN(cRSA, rsa, n);
672 DEF_OSSL_PKEY_BN(cRSA, rsa, e);
673 DEF_OSSL_PKEY_BN(cRSA, rsa, d);
674 DEF_OSSL_PKEY_BN(cRSA, rsa, p);
675 DEF_OSSL_PKEY_BN(cRSA, rsa, q);
676 DEF_OSSL_PKEY_BN(cRSA, rsa, dmp1);
677 DEF_OSSL_PKEY_BN(cRSA, rsa, dmq1);
678 DEF_OSSL_PKEY_BN(cRSA, rsa, iqmp);
679
680 rb_define_method(cRSA, "params", ossl_rsa_get_params, 0);
681
682 DefRSAConst(PKCS1_PADDING);
683 DefRSAConst(SSLV23_PADDING);
684 DefRSAConst(NO_PADDING);
685 DefRSAConst(PKCS1_OAEP_PADDING);
686
687 /*
688 * TODO: Test it
689 rb_define_method(cRSA, "blinding_on!", ossl_rsa_blinding_on, 0);
690 rb_define_method(cRSA, "blinding_off!", ossl_rsa_blinding_off, 0);
691 */
692 }
693
694 #else /* defined NO_RSA */
695 void
696 Init_ossl_rsa()
697 {
698 }
699 #endif /* NO_RSA */
700
701