diff options
Diffstat (limited to 'trunk/ext/openssl/ossl_pkey_dsa.c')
-rw-r--r-- | trunk/ext/openssl/ossl_pkey_dsa.c | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/trunk/ext/openssl/ossl_pkey_dsa.c b/trunk/ext/openssl/ossl_pkey_dsa.c deleted file mode 100644 index ebde0bbfbd..0000000000 --- a/trunk/ext/openssl/ossl_pkey_dsa.c +++ /dev/null @@ -1,485 +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_DSA) - -#include "ossl.h" - -#define GetPKeyDSA(obj, pkey) do { \ - GetPKey(obj, pkey); \ - if (EVP_PKEY_type(pkey->type) != EVP_PKEY_DSA) { /* PARANOIA? */ \ - ossl_raise(rb_eRuntimeError, "THIS IS NOT A DSA!"); \ - } \ -} while (0) - -#define DSA_HAS_PRIVATE(dsa) ((dsa)->priv_key) -#define DSA_PRIVATE(obj,dsa) (DSA_HAS_PRIVATE(dsa)||OSSL_PKEY_IS_PRIVATE(obj)) - -/* - * Classes - */ -VALUE cDSA; -VALUE eDSAError; - -/* - * Public - */ -static VALUE -dsa_instance(VALUE klass, DSA *dsa) -{ - EVP_PKEY *pkey; - VALUE obj; - - if (!dsa) { - return Qfalse; - } - if (!(pkey = EVP_PKEY_new())) { - return Qfalse; - } - if (!EVP_PKEY_assign_DSA(pkey, dsa)) { - EVP_PKEY_free(pkey); - return Qfalse; - } - WrapPKey(klass, obj, pkey); - - return obj; -} - -VALUE -ossl_dsa_new(EVP_PKEY *pkey) -{ - VALUE obj; - - if (!pkey) { - obj = dsa_instance(cDSA, DSA_new()); - } else { - if (EVP_PKEY_type(pkey->type) != EVP_PKEY_DSA) { - ossl_raise(rb_eTypeError, "Not a DSA key!"); - } - WrapPKey(cDSA, obj, pkey); - } - if (obj == Qfalse) { - ossl_raise(eDSAError, NULL); - } - - return obj; -} - -/* - * Private - */ -static DSA * -dsa_generate(int size) -{ - DSA *dsa; - unsigned char seed[20]; - int seed_len = 20, counter; - unsigned long h; - - if (!RAND_bytes(seed, seed_len)) { - return 0; - } - dsa = DSA_generate_parameters(size, seed, seed_len, &counter, &h, - rb_block_given_p() ? ossl_generate_cb : NULL, - NULL); - if(!dsa) return 0; - - if (!DSA_generate_key(dsa)) { - DSA_free(dsa); - return 0; - } - - return dsa; -} - -/* - * call-seq: - * DSA.generate(size) -> dsa - * - * === Parameters - * * +size+ is an integer representing the desired key size. - * - */ -static VALUE -ossl_dsa_s_generate(VALUE klass, VALUE size) -{ - DSA *dsa = dsa_generate(NUM2INT(size)); /* err handled by dsa_instance */ - VALUE obj = dsa_instance(klass, dsa); - - if (obj == Qfalse) { - DSA_free(dsa); - ossl_raise(eDSAError, NULL); - } - - return obj; -} - -/* - * call-seq: - * DSA.new([size | string [, pass]) -> dsa - * - * === Parameters - * * +size+ is an integer representing the desired key size. - * * +string+ contains a DER or PEM encoded key. - * * +pass+ is a string that contains a optional password. - * - * === Examples - * * DSA.new -> dsa - * * DSA.new(1024) -> dsa - * * DSA.new(File.read('dsa.pem')) -> dsa - * * DSA.new(File.read('dsa.pem'), 'mypassword') -> dsa - * - */ -static VALUE -ossl_dsa_initialize(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - DSA *dsa; - BIO *in; - char *passwd = NULL; - VALUE arg, pass; - - GetPKey(self, pkey); - if(rb_scan_args(argc, argv, "02", &arg, &pass) == 0) { - dsa = DSA_new(); - } - else if (FIXNUM_P(arg)) { - if (!(dsa = dsa_generate(FIX2INT(arg)))) { - ossl_raise(eDSAError, NULL); - } - } - else { - if (!NIL_P(pass)) passwd = StringValuePtr(pass); - arg = ossl_to_der_if_possible(arg); - in = ossl_obj2bio(arg); - dsa = PEM_read_bio_DSAPrivateKey(in, NULL, ossl_pem_passwd_cb, passwd); - if (!dsa) { - (void)BIO_reset(in); - dsa = PEM_read_bio_DSAPublicKey(in, NULL, NULL, NULL); - } - if (!dsa) { - (void)BIO_reset(in); - dsa = PEM_read_bio_DSA_PUBKEY(in, NULL, NULL, NULL); - } - if (!dsa) { - (void)BIO_reset(in); - dsa = d2i_DSAPrivateKey_bio(in, NULL); - } - if (!dsa) { - (void)BIO_reset(in); - dsa = d2i_DSA_PUBKEY_bio(in, NULL); - } - BIO_free(in); - if (!dsa) ossl_raise(eDSAError, "Neither PUB key nor PRIV key:"); - } - if (!EVP_PKEY_assign_DSA(pkey, dsa)) { - DSA_free(dsa); - ossl_raise(eDSAError, NULL); - } - - return self; -} - -/* - * call-seq: - * dsa.public? -> true | false - * - */ -static VALUE -ossl_dsa_is_public(VALUE self) -{ - EVP_PKEY *pkey; - - GetPKeyDSA(self, pkey); - - return (pkey->pkey.dsa->pub_key) ? Qtrue : Qfalse; -} - -/* - * call-seq: - * dsa.private? -> true | false - * - */ -static VALUE -ossl_dsa_is_private(VALUE self) -{ - EVP_PKEY *pkey; - - GetPKeyDSA(self, pkey); - - return (DSA_PRIVATE(self, pkey->pkey.dsa)) ? Qtrue : Qfalse; -} - -/* - * call-seq: - * dsa.to_pem([cipher, password]) -> aString - * - * === Parameters - * +cipher+ is an OpenSSL::Cipher. - * +password+ is a string containing your password. - * - * === Examples - * * DSA.to_pem -> aString - * * DSA.to_pem(cipher, 'mypassword') -> aString - * - */ -static VALUE -ossl_dsa_export(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - BIO *out; - const EVP_CIPHER *ciph = NULL; - char *passwd = NULL; - VALUE cipher, pass, str; - - GetPKeyDSA(self, pkey); - rb_scan_args(argc, argv, "02", &cipher, &pass); - if (!NIL_P(cipher)) { - ciph = GetCipherPtr(cipher); - if (!NIL_P(pass)) { - passwd = StringValuePtr(pass); - } - } - if (!(out = BIO_new(BIO_s_mem()))) { - ossl_raise(eDSAError, NULL); - } - if (DSA_HAS_PRIVATE(pkey->pkey.dsa)) { - if (!PEM_write_bio_DSAPrivateKey(out, pkey->pkey.dsa, ciph, - NULL, 0, ossl_pem_passwd_cb, passwd)){ - BIO_free(out); - ossl_raise(eDSAError, NULL); - } - } else { - if (!PEM_write_bio_DSAPublicKey(out, pkey->pkey.dsa)) { - BIO_free(out); - ossl_raise(eDSAError, NULL); - } - } - str = ossl_membio2str(out); - - return str; -} - -/* - * call-seq: - * dsa.to_der -> aString - * - */ -static VALUE -ossl_dsa_to_der(VALUE self) -{ - EVP_PKEY *pkey; - int (*i2d_func)_((DSA*, unsigned char**)); - unsigned char *p; - long len; - VALUE str; - - GetPKeyDSA(self, pkey); - if(DSA_HAS_PRIVATE(pkey->pkey.dsa)) - i2d_func = (int(*)_((DSA*,unsigned char**)))i2d_DSAPrivateKey; - else - i2d_func = i2d_DSA_PUBKEY; - if((len = i2d_func(pkey->pkey.dsa, NULL)) <= 0) - ossl_raise(eDSAError, NULL); - str = rb_str_new(0, len); - p = (unsigned char *)RSTRING_PTR(str); - if(i2d_func(pkey->pkey.dsa, &p) < 0) - ossl_raise(eDSAError, NULL); - ossl_str_adjust(str, p); - - return str; -} - -/* - * call-seq: - * dsa.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_dsa_get_params(VALUE self) -{ - EVP_PKEY *pkey; - VALUE hash; - - GetPKeyDSA(self, pkey); - - hash = rb_hash_new(); - - rb_hash_aset(hash, rb_str_new2("p"), ossl_bn_new(pkey->pkey.dsa->p)); - rb_hash_aset(hash, rb_str_new2("q"), ossl_bn_new(pkey->pkey.dsa->q)); - rb_hash_aset(hash, rb_str_new2("g"), ossl_bn_new(pkey->pkey.dsa->g)); - rb_hash_aset(hash, rb_str_new2("pub_key"), ossl_bn_new(pkey->pkey.dsa->pub_key)); - rb_hash_aset(hash, rb_str_new2("priv_key"), ossl_bn_new(pkey->pkey.dsa->priv_key)); - - return hash; -} - -/* - * call-seq: - * dsa.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_dsa_to_text(VALUE self) -{ - EVP_PKEY *pkey; - BIO *out; - VALUE str; - - GetPKeyDSA(self, pkey); - if (!(out = BIO_new(BIO_s_mem()))) { - ossl_raise(eDSAError, NULL); - } - if (!DSA_print(out, pkey->pkey.dsa, 0)) { /* offset = 0 */ - BIO_free(out); - ossl_raise(eDSAError, NULL); - } - str = ossl_membio2str(out); - - return str; -} - -/* - * call-seq: - * dsa.public_key -> aDSA - * - * Makes new instance DSA PUBLIC_KEY from PRIVATE_KEY - */ -static VALUE -ossl_dsa_to_public_key(VALUE self) -{ - EVP_PKEY *pkey; - DSA *dsa; - VALUE obj; - - GetPKeyDSA(self, pkey); - /* err check performed by dsa_instance */ - dsa = DSAPublicKey_dup(pkey->pkey.dsa); - obj = dsa_instance(CLASS_OF(self), dsa); - if (obj == Qfalse) { - DSA_free(dsa); - ossl_raise(eDSAError, NULL); - } - return obj; -} - -#define ossl_dsa_buf_size(pkey) (DSA_size((pkey)->pkey.dsa)+16) - -/* - * call-seq: - * dsa.syssign(string) -> aString - * - */ -static VALUE -ossl_dsa_sign(VALUE self, VALUE data) -{ - EVP_PKEY *pkey; - unsigned int buf_len; - VALUE str; - - GetPKeyDSA(self, pkey); - StringValue(data); - if (!DSA_PRIVATE(self, pkey->pkey.dsa)) { - ossl_raise(eDSAError, "Private DSA key needed!"); - } - str = rb_str_new(0, ossl_dsa_buf_size(pkey)); - if (!DSA_sign(0, (unsigned char *)RSTRING_PTR(data), RSTRING_LEN(data), - (unsigned char *)RSTRING_PTR(str), - &buf_len, pkey->pkey.dsa)) { /* type is ignored (0) */ - ossl_raise(eDSAError, NULL); - } - rb_str_set_len(str, buf_len); - - return str; -} - -/* - * call-seq: - * dsa.sysverify(digest, sig) -> true | false - * - */ -static VALUE -ossl_dsa_verify(VALUE self, VALUE digest, VALUE sig) -{ - EVP_PKEY *pkey; - int ret; - - GetPKeyDSA(self, pkey); - StringValue(digest); - StringValue(sig); - /* type is ignored (0) */ - ret = DSA_verify(0, (unsigned char *)RSTRING_PTR(digest), RSTRING_LEN(digest), - (unsigned char *)RSTRING_PTR(sig), RSTRING_LEN(sig), pkey->pkey.dsa); - if (ret < 0) { - ossl_raise(eDSAError, NULL); - } - else if (ret == 1) { - return Qtrue; - } - - return Qfalse; -} - -OSSL_PKEY_BN(dsa, p); -OSSL_PKEY_BN(dsa, q); -OSSL_PKEY_BN(dsa, g); -OSSL_PKEY_BN(dsa, pub_key); -OSSL_PKEY_BN(dsa, priv_key); - -/* - * INIT - */ -void -Init_ossl_dsa() -{ -#if 0 /* let rdoc know about mOSSL and mPKey */ - mOSSL = rb_define_module("OpenSSL"); - mPKey = rb_define_module_under(mOSSL, "PKey"); -#endif - - eDSAError = rb_define_class_under(mPKey, "DSAError", ePKeyError); - - cDSA = rb_define_class_under(mPKey, "DSA", cPKey); - - rb_define_singleton_method(cDSA, "generate", ossl_dsa_s_generate, 1); - rb_define_method(cDSA, "initialize", ossl_dsa_initialize, -1); - - rb_define_method(cDSA, "public?", ossl_dsa_is_public, 0); - rb_define_method(cDSA, "private?", ossl_dsa_is_private, 0); - rb_define_method(cDSA, "to_text", ossl_dsa_to_text, 0); - rb_define_method(cDSA, "export", ossl_dsa_export, -1); - rb_define_alias(cDSA, "to_pem", "export"); - rb_define_alias(cDSA, "to_s", "export"); - rb_define_method(cDSA, "to_der", ossl_dsa_to_der, 0); - rb_define_method(cDSA, "public_key", ossl_dsa_to_public_key, 0); - rb_define_method(cDSA, "syssign", ossl_dsa_sign, 1); - rb_define_method(cDSA, "sysverify", ossl_dsa_verify, 2); - - DEF_OSSL_PKEY_BN(cDSA, dsa, p); - DEF_OSSL_PKEY_BN(cDSA, dsa, q); - DEF_OSSL_PKEY_BN(cDSA, dsa, g); - DEF_OSSL_PKEY_BN(cDSA, dsa, pub_key); - DEF_OSSL_PKEY_BN(cDSA, dsa, priv_key); - - rb_define_method(cDSA, "params", ossl_dsa_get_params, 0); -} - -#else /* defined NO_DSA */ -void -Init_ossl_dsa() -{ -} -#endif /* NO_DSA */ |