diff options
Diffstat (limited to 'trunk/ext/openssl/ossl_pkey_dh.c')
| -rw-r--r-- | trunk/ext/openssl/ossl_pkey_dh.c | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/trunk/ext/openssl/ossl_pkey_dh.c b/trunk/ext/openssl/ossl_pkey_dh.c deleted file mode 100644 index 4e58a95bf0..0000000000 --- a/trunk/ext/openssl/ossl_pkey_dh.c +++ /dev/null @@ -1,532 +0,0 @@ -/* - * $Id$ - * 'OpenSSL for Ruby' project - * Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz> - * All rights reserved. - */ -/* - * This program is licenced under the same licence as Ruby. - * (See the file 'LICENCE'.) - */ -#if !defined(OPENSSL_NO_DH) - -#include "ossl.h" - -#define GetPKeyDH(obj, pkey) do { \ - GetPKey(obj, pkey); \ - if (EVP_PKEY_type(pkey->type) != EVP_PKEY_DH) { /* PARANOIA? */ \ - ossl_raise(rb_eRuntimeError, "THIS IS NOT A DH!") ; \ - } \ -} while (0) - -#define DH_HAS_PRIVATE(dh) ((dh)->priv_key) - -#ifdef OSSL_ENGINE_ENABLED -# define DH_PRIVATE(dh) (DH_HAS_PRIVATE(dh) || (dh)->engine) -#else -# define DH_PRIVATE(dh) DH_HAS_PRIVATE(dh) -#endif - - -/* - * Classes - */ -VALUE cDH; -VALUE eDHError; - -/* - * Public - */ -static VALUE -dh_instance(VALUE klass, DH *dh) -{ - EVP_PKEY *pkey; - VALUE obj; - - if (!dh) { - return Qfalse; - } - if (!(pkey = EVP_PKEY_new())) { - return Qfalse; - } - if (!EVP_PKEY_assign_DH(pkey, dh)) { - EVP_PKEY_free(pkey); - return Qfalse; - } - WrapPKey(klass, obj, pkey); - - return obj; -} - -VALUE -ossl_dh_new(EVP_PKEY *pkey) -{ - VALUE obj; - - if (!pkey) { - obj = dh_instance(cDH, DH_new()); - } else { - if (EVP_PKEY_type(pkey->type) != EVP_PKEY_DH) { - ossl_raise(rb_eTypeError, "Not a DH key!"); - } - WrapPKey(cDH, obj, pkey); - } - if (obj == Qfalse) { - ossl_raise(eDHError, NULL); - } - - return obj; -} - -/* - * Private - */ -static DH * -dh_generate(int size, int gen) -{ - DH *dh; - - dh = DH_generate_parameters(size, gen, - rb_block_given_p() ? ossl_generate_cb : NULL, - NULL); - if (!dh) return 0; - - if (!DH_generate_key(dh)) { - DH_free(dh); - return 0; - } - - return dh; -} - -/* - * call-seq: - * DH.generate(size [, generator]) -> dh - * - * === Parameters - * * +size+ is an integer representing the desired key size. Keys smaller than 1024 should be considered insecure. - * * +generator+ is a small number > 1, typically 2 or 5. - * - */ -static VALUE -ossl_dh_s_generate(int argc, VALUE *argv, VALUE klass) -{ - DH *dh ; - int g = 2; - VALUE size, gen, obj; - - if (rb_scan_args(argc, argv, "11", &size, &gen) == 2) { - g = NUM2INT(gen); - } - dh = dh_generate(NUM2INT(size), g); - obj = dh_instance(klass, dh); - if (obj == Qfalse) { - DH_free(dh); - ossl_raise(eDHError, NULL); - } - - return obj; -} - -/* - * call-seq: - * DH.new([size [, generator] | string]) -> dh - * - * === Parameters - * * +size+ is an integer representing the desired key size. Keys smaller than 1024 should be considered insecure. - * * +generator+ is a small number > 1, typically 2 or 5. - * * +string+ contains the DER or PEM encoded key. - * - * === Examples - * * DH.new -> dh - * * DH.new(1024) -> dh - * * DH.new(1024, 5) -> dh - * * DH.new(File.read('key.pem')) -> dh - */ -static VALUE -ossl_dh_initialize(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - DH *dh; - int g = 2; - BIO *in; - VALUE arg, gen; - - GetPKey(self, pkey); - if(rb_scan_args(argc, argv, "02", &arg, &gen) == 0) { - dh = DH_new(); - } - else if (FIXNUM_P(arg)) { - if (!NIL_P(gen)) { - g = NUM2INT(gen); - } - if (!(dh = dh_generate(FIX2INT(arg), g))) { - ossl_raise(eDHError, NULL); - } - } - else { - arg = ossl_to_der_if_possible(arg); - in = ossl_obj2bio(arg); - dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); - if (!dh){ - (void)BIO_reset(in); - dh = d2i_DHparams_bio(in, NULL); - } - BIO_free(in); - if (!dh) ossl_raise(eDHError, NULL); - } - if (!EVP_PKEY_assign_DH(pkey, dh)) { - DH_free(dh); - ossl_raise(eDHError, NULL); - } - return self; -} - -/* - * call-seq: - * dh.public? -> true | false - * - */ -static VALUE -ossl_dh_is_public(VALUE self) -{ - EVP_PKEY *pkey; - - GetPKeyDH(self, pkey); - - return (pkey->pkey.dh->pub_key) ? Qtrue : Qfalse; -} - -/* - * call-seq: - * dh.private? -> true | false - * - */ -static VALUE -ossl_dh_is_private(VALUE self) -{ - EVP_PKEY *pkey; - - GetPKeyDH(self, pkey); - - return (DH_PRIVATE(pkey->pkey.dh)) ? Qtrue : Qfalse; -} - -/* - * call-seq: - * dh.to_pem -> aString - * - */ -static VALUE -ossl_dh_export(VALUE self) -{ - EVP_PKEY *pkey; - BIO *out; - VALUE str; - - GetPKeyDH(self, pkey); - if (!(out = BIO_new(BIO_s_mem()))) { - ossl_raise(eDHError, NULL); - } - if (!PEM_write_bio_DHparams(out, pkey->pkey.dh)) { - BIO_free(out); - ossl_raise(eDHError, NULL); - } - str = ossl_membio2str(out); - - return str; -} - -/* - * call-seq: - * dh.to_der -> aString - * - */ -static VALUE -ossl_dh_to_der(VALUE self) -{ - EVP_PKEY *pkey; - unsigned char *p; - long len; - VALUE str; - - GetPKeyDH(self, pkey); - if((len = i2d_DHparams(pkey->pkey.dh, NULL)) <= 0) - ossl_raise(eDHError, NULL); - str = rb_str_new(0, len); - p = (unsigned char *)RSTRING_PTR(str); - if(i2d_DHparams(pkey->pkey.dh, &p) < 0) - ossl_raise(eDHError, NULL); - ossl_str_adjust(str, p); - - return str; -} - -/* - * call-seq: - * dh.params -> hash - * - * Stores all parameters of key to the hash - * INSECURE: PRIVATE INFORMATIONS CAN LEAK OUT!!! - * Don't use :-)) (I's up to you) - */ -static VALUE -ossl_dh_get_params(VALUE self) -{ - EVP_PKEY *pkey; - VALUE hash; - - GetPKeyDH(self, pkey); - - hash = rb_hash_new(); - - rb_hash_aset(hash, rb_str_new2("p"), ossl_bn_new(pkey->pkey.dh->p)); - rb_hash_aset(hash, rb_str_new2("g"), ossl_bn_new(pkey->pkey.dh->g)); - rb_hash_aset(hash, rb_str_new2("pub_key"), ossl_bn_new(pkey->pkey.dh->pub_key)); - rb_hash_aset(hash, rb_str_new2("priv_key"), ossl_bn_new(pkey->pkey.dh->priv_key)); - - return hash; -} - -/* - * call-seq: - * dh.to_text -> aString - * - * Prints all parameters of key to buffer - * INSECURE: PRIVATE INFORMATIONS CAN LEAK OUT!!! - * Don't use :-)) (I's up to you) - */ -static VALUE -ossl_dh_to_text(VALUE self) -{ - EVP_PKEY *pkey; - BIO *out; - VALUE str; - - GetPKeyDH(self, pkey); - if (!(out = BIO_new(BIO_s_mem()))) { - ossl_raise(eDHError, NULL); - } - if (!DHparams_print(out, pkey->pkey.dh)) { - BIO_free(out); - ossl_raise(eDHError, NULL); - } - str = ossl_membio2str(out); - - return str; -} - -/* - * call-seq: - * dh.public_key -> aDH - * - * Makes new instance DH PUBLIC_KEY from PRIVATE_KEY - */ -static VALUE -ossl_dh_to_public_key(VALUE self) -{ - EVP_PKEY *pkey; - DH *dh; - VALUE obj; - - GetPKeyDH(self, pkey); - dh = DHparams_dup(pkey->pkey.dh); /* err check perfomed by dh_instance */ - obj = dh_instance(CLASS_OF(self), dh); - if (obj == Qfalse) { - DH_free(dh); - ossl_raise(eDHError, NULL); - } - - return obj; -} - -/* - * call-seq: - * dh.check_params -> true | false - * - */ -static VALUE -ossl_dh_check_params(VALUE self) -{ - DH *dh; - EVP_PKEY *pkey; - int codes; - - GetPKeyDH(self, pkey); - dh = pkey->pkey.dh; - - if (!DH_check(dh, &codes)) { - return Qfalse; - } - - return codes == 0 ? Qtrue : Qfalse; -} - -/* - * call-seq: - * dh.generate_key -> self - * - */ -static VALUE -ossl_dh_generate_key(VALUE self) -{ - DH *dh; - EVP_PKEY *pkey; - - GetPKeyDH(self, pkey); - dh = pkey->pkey.dh; - - if (!DH_generate_key(dh)) - ossl_raise(eDHError, "Failed to generate key"); - return self; -} - -/* - * call-seq: - * dh.compute_key(pub_bn) -> aString - * - * === Parameters - * * +pub_bn+ is a OpenSSL::BN. - * - * Returns aString containing a shared secret computed from the other parties public value. - * - * See DH_compute_key() for further information. - * - */ -static VALUE -ossl_dh_compute_key(VALUE self, VALUE pub) -{ - DH *dh; - EVP_PKEY *pkey; - BIGNUM *pub_key; - VALUE str; - int len; - - GetPKeyDH(self, pkey); - dh = pkey->pkey.dh; - pub_key = GetBNPtr(pub); - len = DH_size(dh); - str = rb_str_new(0, len); - if ((len = DH_compute_key((unsigned char *)RSTRING_PTR(str), pub_key, dh)) < 0) { - ossl_raise(eDHError, NULL); - } - rb_str_set_len(str, len); - - return str; -} - -OSSL_PKEY_BN(dh, p); -OSSL_PKEY_BN(dh, g); -OSSL_PKEY_BN(dh, pub_key); -OSSL_PKEY_BN(dh, priv_key); - -/* - * -----BEGIN DH PARAMETERS----- - * MEYCQQD0zXHljRg/mJ9PYLACLv58Cd8VxBxxY7oEuCeURMiTqEhMym16rhhKgZG2 - * zk2O9uUIBIxSj+NKMURHGaFKyIvLAgEC - * -----END DH PARAMETERS----- - */ -static unsigned char DEFAULT_DH_512_PRIM[] = { - 0xf4, 0xcd, 0x71, 0xe5, 0x8d, 0x18, 0x3f, 0x98, - 0x9f, 0x4f, 0x60, 0xb0, 0x02, 0x2e, 0xfe, 0x7c, - 0x09, 0xdf, 0x15, 0xc4, 0x1c, 0x71, 0x63, 0xba, - 0x04, 0xb8, 0x27, 0x94, 0x44, 0xc8, 0x93, 0xa8, - 0x48, 0x4c, 0xca, 0x6d, 0x7a, 0xae, 0x18, 0x4a, - 0x81, 0x91, 0xb6, 0xce, 0x4d, 0x8e, 0xf6, 0xe5, - 0x08, 0x04, 0x8c, 0x52, 0x8f, 0xe3, 0x4a, 0x31, - 0x44, 0x47, 0x19, 0xa1, 0x4a, 0xc8, 0x8b, 0xcb, -}; -static unsigned char DEFAULT_DH_512_GEN[] = { 0x02 }; -DH *OSSL_DEFAULT_DH_512 = NULL; - -/* - * -----BEGIN DH PARAMETERS----- - * MIGHAoGBAJ0lOVy0VIr/JebWn0zDwY2h+rqITFOpdNr6ugsgvkDXuucdcChhYExJ - * AV/ZD2AWPbrTqV76mGRgJg4EddgT1zG0jq3rnFdMj2XzkBYx3BVvfR0Arnby0RHR - * T4h7KZ/2zmjvV+eF8kBUHBJAojUlzxKj4QeO2x20FP9X5xmNUXeDAgEC - * -----END DH PARAMETERS----- - */ -static unsigned char DEFAULT_DH_1024_PRIM[] = { - 0x9d, 0x25, 0x39, 0x5c, 0xb4, 0x54, 0x8a, 0xff, - 0x25, 0xe6, 0xd6, 0x9f, 0x4c, 0xc3, 0xc1, 0x8d, - 0xa1, 0xfa, 0xba, 0x88, 0x4c, 0x53, 0xa9, 0x74, - 0xda, 0xfa, 0xba, 0x0b, 0x20, 0xbe, 0x40, 0xd7, - 0xba, 0xe7, 0x1d, 0x70, 0x28, 0x61, 0x60, 0x4c, - 0x49, 0x01, 0x5f, 0xd9, 0x0f, 0x60, 0x16, 0x3d, - 0xba, 0xd3, 0xa9, 0x5e, 0xfa, 0x98, 0x64, 0x60, - 0x26, 0x0e, 0x04, 0x75, 0xd8, 0x13, 0xd7, 0x31, - 0xb4, 0x8e, 0xad, 0xeb, 0x9c, 0x57, 0x4c, 0x8f, - 0x65, 0xf3, 0x90, 0x16, 0x31, 0xdc, 0x15, 0x6f, - 0x7d, 0x1d, 0x00, 0xae, 0x76, 0xf2, 0xd1, 0x11, - 0xd1, 0x4f, 0x88, 0x7b, 0x29, 0x9f, 0xf6, 0xce, - 0x68, 0xef, 0x57, 0xe7, 0x85, 0xf2, 0x40, 0x54, - 0x1c, 0x12, 0x40, 0xa2, 0x35, 0x25, 0xcf, 0x12, - 0xa3, 0xe1, 0x07, 0x8e, 0xdb, 0x1d, 0xb4, 0x14, - 0xff, 0x57, 0xe7, 0x19, 0x8d, 0x51, 0x77, 0x83 -}; -static unsigned char DEFAULT_DH_1024_GEN[] = { 0x02 }; -DH *OSSL_DEFAULT_DH_1024 = NULL; - -static DH* -ossl_create_dh(unsigned char *p, size_t plen, unsigned char *g, size_t glen) -{ - DH *dh; - - if ((dh = DH_new()) == NULL) ossl_raise(eDHError, NULL); - dh->p = BN_bin2bn(p, plen, NULL); - dh->g = BN_bin2bn(g, glen, NULL); - if (dh->p == NULL || dh->g == NULL){ - DH_free(dh); - ossl_raise(eDHError, NULL); - } - - return dh; -} - -/* - * INIT - */ -void -Init_ossl_dh() -{ -#if 0 /* let rdoc know about mOSSL and mPKey */ - mOSSL = rb_define_module("OpenSSL"); - mPKey = rb_define_module_under(mOSSL, "PKey"); -#endif - - eDHError = rb_define_class_under(mPKey, "DHError", ePKeyError); - cDH = rb_define_class_under(mPKey, "DH", cPKey); - rb_define_singleton_method(cDH, "generate", ossl_dh_s_generate, -1); - rb_define_method(cDH, "initialize", ossl_dh_initialize, -1); - rb_define_method(cDH, "public?", ossl_dh_is_public, 0); - rb_define_method(cDH, "private?", ossl_dh_is_private, 0); - rb_define_method(cDH, "to_text", ossl_dh_to_text, 0); - rb_define_method(cDH, "export", ossl_dh_export, 0); - rb_define_alias(cDH, "to_pem", "export"); - rb_define_alias(cDH, "to_s", "export"); - rb_define_method(cDH, "to_der", ossl_dh_to_der, 0); - rb_define_method(cDH, "public_key", ossl_dh_to_public_key, 0); - rb_define_method(cDH, "params_ok?", ossl_dh_check_params, 0); - rb_define_method(cDH, "generate_key!", ossl_dh_generate_key, 0); - rb_define_method(cDH, "compute_key", ossl_dh_compute_key, 1); - DEF_OSSL_PKEY_BN(cDH, dh, p); - DEF_OSSL_PKEY_BN(cDH, dh, g); - DEF_OSSL_PKEY_BN(cDH, dh, pub_key); - DEF_OSSL_PKEY_BN(cDH, dh, priv_key); - rb_define_method(cDH, "params", ossl_dh_get_params, 0); - - OSSL_DEFAULT_DH_512 = ossl_create_dh( - DEFAULT_DH_512_PRIM, sizeof(DEFAULT_DH_512_PRIM), - DEFAULT_DH_512_GEN, sizeof(DEFAULT_DH_512_GEN)); - OSSL_DEFAULT_DH_1024 = ossl_create_dh( - DEFAULT_DH_1024_PRIM, sizeof(DEFAULT_DH_1024_PRIM), - DEFAULT_DH_1024_GEN, sizeof(DEFAULT_DH_1024_GEN)); -} - -#else /* defined NO_DH */ -void -Init_ossl_dh() -{ -} -#endif /* NO_DH */ - |