diff options
Diffstat (limited to 'trunk/ext/openssl/ossl_pkey_rsa.c')
| -rw-r--r-- | trunk/ext/openssl/ossl_pkey_rsa.c | 593 |
1 files changed, 0 insertions, 593 deletions
diff --git a/trunk/ext/openssl/ossl_pkey_rsa.c b/trunk/ext/openssl/ossl_pkey_rsa.c deleted file mode 100644 index 52f5555f97..0000000000 --- a/trunk/ext/openssl/ossl_pkey_rsa.c +++ /dev/null @@ -1,593 +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_RSA) - -#include "ossl.h" - -#define GetPKeyRSA(obj, pkey) do { \ - GetPKey(obj, pkey); \ - if (EVP_PKEY_type(pkey->type) != EVP_PKEY_RSA) { /* PARANOIA? */ \ - ossl_raise(rb_eRuntimeError, "THIS IS NOT A RSA!") ; \ - } \ -} while (0) - -#define RSA_HAS_PRIVATE(rsa) ((rsa)->p && (rsa)->q) -#define RSA_PRIVATE(obj,rsa) (RSA_HAS_PRIVATE(rsa)||OSSL_PKEY_IS_PRIVATE(obj)) - -/* - * Classes - */ -VALUE cRSA; -VALUE eRSAError; - -/* - * Public - */ -static VALUE -rsa_instance(VALUE klass, RSA *rsa) -{ - EVP_PKEY *pkey; - VALUE obj; - - if (!rsa) { - return Qfalse; - } - if (!(pkey = EVP_PKEY_new())) { - return Qfalse; - } - if (!EVP_PKEY_assign_RSA(pkey, rsa)) { - EVP_PKEY_free(pkey); - return Qfalse; - } - WrapPKey(klass, obj, pkey); - - return obj; -} - -VALUE -ossl_rsa_new(EVP_PKEY *pkey) -{ - VALUE obj; - - if (!pkey) { - obj = rsa_instance(cRSA, RSA_new()); - } - else { - if (EVP_PKEY_type(pkey->type) != EVP_PKEY_RSA) { - ossl_raise(rb_eTypeError, "Not a RSA key!"); - } - WrapPKey(cRSA, obj, pkey); - } - if (obj == Qfalse) { - ossl_raise(eRSAError, NULL); - } - - return obj; -} - -/* - * Private - */ -static RSA * -rsa_generate(int size, int exp) -{ - return RSA_generate_key(size, exp, - rb_block_given_p() ? ossl_generate_cb : NULL, - NULL); -} - -/* - * call-seq: - * RSA.generate(size [, exponent]) -> rsa - * - * === Parameters - * * +size+ is an integer representing the desired key size. Keys smaller than 1024 should be considered insecure. - * * +exponent+ is an odd number normally 3, 17, or 65537. - * - */ -static VALUE -ossl_rsa_s_generate(int argc, VALUE *argv, VALUE klass) -{ -/* why does this method exist? why can't initialize take an optional exponent? */ - RSA *rsa; - VALUE size, exp; - VALUE obj; - - rb_scan_args(argc, argv, "11", &size, &exp); - - rsa = rsa_generate(NUM2INT(size), NIL_P(exp) ? RSA_F4 : NUM2INT(exp)); /* err handled by rsa_instance */ - obj = rsa_instance(klass, rsa); - - if (obj == Qfalse) { - RSA_free(rsa); - ossl_raise(eRSAError, NULL); - } - - return obj; -} - -/* - * call-seq: - * RSA.new([size | encoded_key] [, pass]) -> rsa - * - * === Parameters - * * +size+ is an integer representing the desired key size. - * * +encoded_key+ is a string containing PEM or DER encoded key. - * * +pass+ is an optional string with the password to decrypt the encoded key. - * - * === Examples - * * RSA.new(2048) -> rsa - * * RSA.new(File.read("rsa.pem")) -> rsa - * * RSA.new(File.read("rsa.pem"), "mypassword") -> rsa - */ -static VALUE -ossl_rsa_initialize(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - RSA *rsa; - BIO *in; - char *passwd = NULL; - VALUE arg, pass; - - GetPKey(self, pkey); - if(rb_scan_args(argc, argv, "02", &arg, &pass) == 0) { - rsa = RSA_new(); - } - else if (FIXNUM_P(arg)) { - rsa = rsa_generate(FIX2INT(arg), NIL_P(pass) ? RSA_F4 : NUM2INT(pass)); - if (!rsa) ossl_raise(eRSAError, NULL); - } - else { - if (!NIL_P(pass)) passwd = StringValuePtr(pass); - arg = ossl_to_der_if_possible(arg); - in = ossl_obj2bio(arg); - rsa = PEM_read_bio_RSAPrivateKey(in, NULL, ossl_pem_passwd_cb, passwd); - if (!rsa) { - (void)BIO_reset(in); - rsa = PEM_read_bio_RSAPublicKey(in, NULL, NULL, NULL); - } - if (!rsa) { - (void)BIO_reset(in); - rsa = PEM_read_bio_RSA_PUBKEY(in, NULL, NULL, NULL); - } - if (!rsa) { - (void)BIO_reset(in); - rsa = d2i_RSAPrivateKey_bio(in, NULL); - } - if (!rsa) { - (void)BIO_reset(in); - rsa = d2i_RSAPublicKey_bio(in, NULL); - } - if (!rsa) { - (void)BIO_reset(in); - rsa = d2i_RSA_PUBKEY_bio(in, NULL); - } - BIO_free(in); - if (!rsa) ossl_raise(eRSAError, "Neither PUB key nor PRIV key:"); - } - if (!EVP_PKEY_assign_RSA(pkey, rsa)) { - RSA_free(rsa); - ossl_raise(eRSAError, NULL); - } - - return self; -} - -/* - * call-seq: - * rsa.public? -> true - * - * The return value is always true since every private key is also a public key. - * - */ -static VALUE -ossl_rsa_is_public(VALUE self) -{ - EVP_PKEY *pkey; - - GetPKeyRSA(self, pkey); - /* - * This method should check for n and e. BUG. - */ - return Qtrue; -} - -/* - * call-seq: - * rsa.private? -> true | false - * - */ -static VALUE -ossl_rsa_is_private(VALUE self) -{ - EVP_PKEY *pkey; - - GetPKeyRSA(self, pkey); - - return (RSA_PRIVATE(self, pkey->pkey.rsa)) ? Qtrue : Qfalse; -} - -/* - * call-seq: - * rsa.to_pem([cipher, pass]) -> aString - * - * === Parameters - * * +cipher+ is a Cipher object. - * * +pass+ is a string. - * - * === Examples - * * rsa.to_pem -> aString - * * rsa.to_pem(cipher, pass) -> aString - */ -static VALUE -ossl_rsa_export(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - BIO *out; - const EVP_CIPHER *ciph = NULL; - char *passwd = NULL; - VALUE cipher, pass, str; - - GetPKeyRSA(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(eRSAError, NULL); - } - if (RSA_HAS_PRIVATE(pkey->pkey.rsa)) { - if (!PEM_write_bio_RSAPrivateKey(out, pkey->pkey.rsa, ciph, - NULL, 0, ossl_pem_passwd_cb, passwd)) { - BIO_free(out); - ossl_raise(eRSAError, NULL); - } - } else { - if (!PEM_write_bio_RSAPublicKey(out, pkey->pkey.rsa)) { - BIO_free(out); - ossl_raise(eRSAError, NULL); - } - } - str = ossl_membio2str(out); - - return str; -} - -/* - * call-seq: - * rsa.to_der -> aString - * - */ -static VALUE -ossl_rsa_to_der(VALUE self) -{ - EVP_PKEY *pkey; - int (*i2d_func)_((const RSA*, unsigned char**)); - unsigned char *p; - long len; - VALUE str; - - GetPKeyRSA(self, pkey); - if(RSA_HAS_PRIVATE(pkey->pkey.rsa)) - i2d_func = i2d_RSAPrivateKey; - else - i2d_func = i2d_RSAPublicKey; - if((len = i2d_func(pkey->pkey.rsa, NULL)) <= 0) - ossl_raise(eRSAError, NULL); - str = rb_str_new(0, len); - p = (unsigned char *)RSTRING_PTR(str); - if(i2d_func(pkey->pkey.rsa, &p) < 0) - ossl_raise(eRSAError, NULL); - ossl_str_adjust(str, p); - - return str; -} - -#define ossl_rsa_buf_size(pkey) (RSA_size((pkey)->pkey.rsa)+16) - -/* - * call-seq: - * rsa.public_encrypt(string [, padding]) -> aString - * - */ -static VALUE -ossl_rsa_public_encrypt(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - int buf_len, pad; - VALUE str, buffer, padding; - - GetPKeyRSA(self, pkey); - rb_scan_args(argc, argv, "11", &buffer, &padding); - pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding); - StringValue(buffer); - str = rb_str_new(0, ossl_rsa_buf_size(pkey)); - buf_len = RSA_public_encrypt(RSTRING_LEN(buffer), (unsigned char *)RSTRING_PTR(buffer), - (unsigned char *)RSTRING_PTR(str), pkey->pkey.rsa, - pad); - if (buf_len < 0) ossl_raise(eRSAError, NULL); - rb_str_set_len(str, buf_len); - - return str; -} - -/* - * call-seq: - * rsa.public_decrypt(string [, padding]) -> aString - * - */ -static VALUE -ossl_rsa_public_decrypt(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - int buf_len, pad; - VALUE str, buffer, padding; - - GetPKeyRSA(self, pkey); - rb_scan_args(argc, argv, "11", &buffer, &padding); - pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding); - StringValue(buffer); - str = rb_str_new(0, ossl_rsa_buf_size(pkey)); - buf_len = RSA_public_decrypt(RSTRING_LEN(buffer), (unsigned char *)RSTRING_PTR(buffer), - (unsigned char *)RSTRING_PTR(str), pkey->pkey.rsa, - pad); - if (buf_len < 0) ossl_raise(eRSAError, NULL); - rb_str_set_len(str, buf_len); - - return str; -} - -/* - * call-seq: - * rsa.private_encrypt(string [, padding]) -> aString - * - */ -static VALUE -ossl_rsa_private_encrypt(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - int buf_len, pad; - VALUE str, buffer, padding; - - GetPKeyRSA(self, pkey); - if (!RSA_PRIVATE(self, pkey->pkey.rsa)) { - ossl_raise(eRSAError, "private key needed."); - } - rb_scan_args(argc, argv, "11", &buffer, &padding); - pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding); - StringValue(buffer); - str = rb_str_new(0, ossl_rsa_buf_size(pkey)); - buf_len = RSA_private_encrypt(RSTRING_LEN(buffer), (unsigned char *)RSTRING_PTR(buffer), - (unsigned char *)RSTRING_PTR(str), pkey->pkey.rsa, - pad); - if (buf_len < 0) ossl_raise(eRSAError, NULL); - rb_str_set_len(str, buf_len); - - return str; -} - - -/* - * call-seq: - * rsa.private_decrypt(string [, padding]) -> aString - * - */ -static VALUE -ossl_rsa_private_decrypt(int argc, VALUE *argv, VALUE self) -{ - EVP_PKEY *pkey; - int buf_len, pad; - VALUE str, buffer, padding; - - GetPKeyRSA(self, pkey); - if (!RSA_PRIVATE(self, pkey->pkey.rsa)) { - ossl_raise(eRSAError, "private key needed."); - } - rb_scan_args(argc, argv, "11", &buffer, &padding); - pad = (argc == 1) ? RSA_PKCS1_PADDING : NUM2INT(padding); - StringValue(buffer); - str = rb_str_new(0, ossl_rsa_buf_size(pkey)); - buf_len = RSA_private_decrypt(RSTRING_LEN(buffer), (unsigned char *)RSTRING_PTR(buffer), - (unsigned char *)RSTRING_PTR(str), pkey->pkey.rsa, - pad); - if (buf_len < 0) ossl_raise(eRSAError, NULL); - rb_str_set_len(str, buf_len); - - return str; -} - -/* - * call-seq: - * rsa.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_rsa_get_params(VALUE self) -{ - EVP_PKEY *pkey; - VALUE hash; - - GetPKeyRSA(self, pkey); - - hash = rb_hash_new(); - - rb_hash_aset(hash, rb_str_new2("n"), ossl_bn_new(pkey->pkey.rsa->n)); - rb_hash_aset(hash, rb_str_new2("e"), ossl_bn_new(pkey->pkey.rsa->e)); - rb_hash_aset(hash, rb_str_new2("d"), ossl_bn_new(pkey->pkey.rsa->d)); - rb_hash_aset(hash, rb_str_new2("p"), ossl_bn_new(pkey->pkey.rsa->p)); - rb_hash_aset(hash, rb_str_new2("q"), ossl_bn_new(pkey->pkey.rsa->q)); - rb_hash_aset(hash, rb_str_new2("dmp1"), ossl_bn_new(pkey->pkey.rsa->dmp1)); - rb_hash_aset(hash, rb_str_new2("dmq1"), ossl_bn_new(pkey->pkey.rsa->dmq1)); - rb_hash_aset(hash, rb_str_new2("iqmp"), ossl_bn_new(pkey->pkey.rsa->iqmp)); - - return hash; -} - -/* - * call-seq: - * rsa.to_text -> aString - * - * Prints all parameters of key to buffer - * INSECURE: PRIVATE INFORMATIONS CAN LEAK OUT!!! - * Don't use :-)) (It's up to you) - */ -static VALUE -ossl_rsa_to_text(VALUE self) -{ - EVP_PKEY *pkey; - BIO *out; - VALUE str; - - GetPKeyRSA(self, pkey); - if (!(out = BIO_new(BIO_s_mem()))) { - ossl_raise(eRSAError, NULL); - } - if (!RSA_print(out, pkey->pkey.rsa, 0)) { /* offset = 0 */ - BIO_free(out); - ossl_raise(eRSAError, NULL); - } - str = ossl_membio2str(out); - - return str; -} - -/* - * call-seq: - * rsa.public_key -> aRSA - * - * Makes new instance RSA PUBLIC_KEY from PRIVATE_KEY - */ -static VALUE -ossl_rsa_to_public_key(VALUE self) -{ - EVP_PKEY *pkey; - RSA *rsa; - VALUE obj; - - GetPKeyRSA(self, pkey); - /* err check performed by rsa_instance */ - rsa = RSAPublicKey_dup(pkey->pkey.rsa); - obj = rsa_instance(CLASS_OF(self), rsa); - if (obj == Qfalse) { - RSA_free(rsa); - ossl_raise(eRSAError, NULL); - } - return obj; -} - -/* - * TODO: Test me - -static VALUE -ossl_rsa_blinding_on(VALUE self) -{ - EVP_PKEY *pkey; - - GetPKeyRSA(self, pkey); - - if (RSA_blinding_on(pkey->pkey.rsa, ossl_bn_ctx) != 1) { - ossl_raise(eRSAError, NULL); - } - return self; -} - -static VALUE -ossl_rsa_blinding_off(VALUE self) -{ - EVP_PKEY *pkey; - - GetPKeyRSA(self, pkey); - RSA_blinding_off(pkey->pkey.rsa); - - return self; -} - */ - -OSSL_PKEY_BN(rsa, n); -OSSL_PKEY_BN(rsa, e); -OSSL_PKEY_BN(rsa, d); -OSSL_PKEY_BN(rsa, p); -OSSL_PKEY_BN(rsa, q); -OSSL_PKEY_BN(rsa, dmp1); -OSSL_PKEY_BN(rsa, dmq1); -OSSL_PKEY_BN(rsa, iqmp); - -/* - * INIT - */ -#define DefRSAConst(x) rb_define_const(cRSA, #x,INT2FIX(RSA_##x)) - -void -Init_ossl_rsa() -{ -#if 0 /* let rdoc know about mOSSL and mPKey */ - mOSSL = rb_define_module("OpenSSL"); - mPKey = rb_define_module_under(mOSSL, "PKey"); -#endif - - eRSAError = rb_define_class_under(mPKey, "RSAError", ePKeyError); - - cRSA = rb_define_class_under(mPKey, "RSA", cPKey); - - rb_define_singleton_method(cRSA, "generate", ossl_rsa_s_generate, -1); - rb_define_method(cRSA, "initialize", ossl_rsa_initialize, -1); - - rb_define_method(cRSA, "public?", ossl_rsa_is_public, 0); - rb_define_method(cRSA, "private?", ossl_rsa_is_private, 0); - rb_define_method(cRSA, "to_text", ossl_rsa_to_text, 0); - rb_define_method(cRSA, "export", ossl_rsa_export, -1); - rb_define_alias(cRSA, "to_pem", "export"); - rb_define_alias(cRSA, "to_s", "export"); - rb_define_method(cRSA, "to_der", ossl_rsa_to_der, 0); - rb_define_method(cRSA, "public_key", ossl_rsa_to_public_key, 0); - rb_define_method(cRSA, "public_encrypt", ossl_rsa_public_encrypt, -1); - rb_define_method(cRSA, "public_decrypt", ossl_rsa_public_decrypt, -1); - rb_define_method(cRSA, "private_encrypt", ossl_rsa_private_encrypt, -1); - rb_define_method(cRSA, "private_decrypt", ossl_rsa_private_decrypt, -1); - - DEF_OSSL_PKEY_BN(cRSA, rsa, n); - DEF_OSSL_PKEY_BN(cRSA, rsa, e); - DEF_OSSL_PKEY_BN(cRSA, rsa, d); - DEF_OSSL_PKEY_BN(cRSA, rsa, p); - DEF_OSSL_PKEY_BN(cRSA, rsa, q); - DEF_OSSL_PKEY_BN(cRSA, rsa, dmp1); - DEF_OSSL_PKEY_BN(cRSA, rsa, dmq1); - DEF_OSSL_PKEY_BN(cRSA, rsa, iqmp); - - rb_define_method(cRSA, "params", ossl_rsa_get_params, 0); - - DefRSAConst(PKCS1_PADDING); - DefRSAConst(SSLV23_PADDING); - DefRSAConst(NO_PADDING); - DefRSAConst(PKCS1_OAEP_PADDING); - -/* - * TODO: Test it - rb_define_method(cRSA, "blinding_on!", ossl_rsa_blinding_on, 0); - rb_define_method(cRSA, "blinding_off!", ossl_rsa_blinding_off, 0); - */ -} - -#else /* defined NO_RSA */ -void -Init_ossl_rsa() -{ -} -#endif /* NO_RSA */ - |