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* ext/openssl/ossl_pkey_rsa.c (ossl_rsa_public_encrypt,

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ossl_rsa_public_decrypt, ossl_rsa_private_encrypt,
  ossl_rsa_private_decrypt): should take an optional argument
  to specify padding mode. [ruby-talk:122539]

* ext/openssl/ossl_pkey_rsa.c (Init_ossl_rsa): add new constants
  PKCS1_PADDING, SSLV23_PADDING, NO_PADDING and PKCS1_OAEP_PADDING
  under OpenSSL::PKey::RSA.

* test/openssl/test_pkey_rsa.rb: new file.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
gotoyuzo 2004-12-05 16:36:26 +00:00
parent af3da7d124
commit dd92742ce1
3 changed files with 108 additions and 42 deletions
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15
ChangeLog
View file

@ -1,3 +1,16 @@
Mon Dec 6 01:32:31 2004 GOTOU Yuuzou <gotoyuzo@notwork.org>
* ext/openssl/ossl_pkey_rsa.c (ossl_rsa_public_encrypt,
ossl_rsa_public_decrypt, ossl_rsa_private_encrypt,
ossl_rsa_private_decrypt): should take an optional argument
to specify padding mode. [ruby-talk:122539]
* ext/openssl/ossl_pkey_rsa.c (Init_ossl_rsa): add new constants
PKCS1_PADDING, SSLV23_PADDING, NO_PADDING and PKCS1_OAEP_PADDING
under OpenSSL::PKey::RSA.
* test/openssl/test_pkey_rsa.rb: new file.
Sun Dec 5 19:39:17 2004 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/optparse.rb (OptionParser::Completion#complete): new parameter
@ -966,7 +979,7 @@ Thu Nov 4 03:11:33 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* ext/socket/socket.c (s_recvfrom): tmplock input buffer.
[ruby-dev:24705]
Wed Nov 3 22:24:17 2004 GOTOU Yuuzou <gotoyuzo@notwork.org>
Wed Nov 3 22:24:17 2004 Daigo Moriwaki <techml@sgtpepper.net>
* lib/webrick/httpauth/digestauth.rb: use Base64.encode64 to
avoid warnings.

97
ext/openssl/ossl_pkey_rsa.c
View file

@ -252,18 +252,20 @@ ossl_rsa_to_der(VALUE self)
#define ossl_rsa_buf_size(pkey) (RSA_size((pkey)->pkey.rsa)+16)
static VALUE
ossl_rsa_public_encrypt(VALUE self, VALUE buffer)
ossl_rsa_public_encrypt(int argc, VALUE *argv, VALUE self)
{
EVP_PKEY *pkey;
int buf_len;
VALUE str;
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(buffer)->len, RSTRING(buffer)->ptr,
RSTRING(str)->ptr, pkey->pkey.rsa,
RSA_PKCS1_PADDING);
pad);
if (buf_len < 0) ossl_raise(eRSAError, NULL);
RSTRING(str)->len = buf_len;
RSTRING(str)->ptr[buf_len] = 0;
@ -272,41 +274,20 @@ ossl_rsa_public_encrypt(VALUE self, VALUE buffer)
}
static VALUE
ossl_rsa_public_decrypt(VALUE self, VALUE buffer)
ossl_rsa_public_decrypt(int argc, VALUE *argv, VALUE self)
{
EVP_PKEY *pkey;
int buf_len;
VALUE str;
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(buffer)->len, RSTRING(buffer)->ptr,
RSTRING(str)->ptr, pkey->pkey.rsa,
RSA_PKCS1_PADDING);
if(buf_len < 0) ossl_raise(eRSAError, NULL);
RSTRING(str)->len = buf_len;
RSTRING(str)->ptr[buf_len] = 0;
return str;
}
static VALUE
ossl_rsa_private_encrypt(VALUE self, VALUE buffer)
{
EVP_PKEY *pkey;
int buf_len;
VALUE str;
GetPKeyRSA(self, pkey);
if (!RSA_PRIVATE(pkey->pkey.rsa)) {
ossl_raise(eRSAError, "PRIVATE key needed for this operation!");
}
StringValue(buffer);
str = rb_str_new(0, ossl_rsa_buf_size(pkey));
buf_len = RSA_private_encrypt(RSTRING(buffer)->len, RSTRING(buffer)->ptr,
RSTRING(str)->ptr, pkey->pkey.rsa,
RSA_PKCS1_PADDING);
pad);
if (buf_len < 0) ossl_raise(eRSAError, NULL);
RSTRING(str)->len = buf_len;
RSTRING(str)->ptr[buf_len] = 0;
@ -315,21 +296,48 @@ ossl_rsa_private_encrypt(VALUE self, VALUE buffer)
}
static VALUE
ossl_rsa_private_decrypt(VALUE self, VALUE buffer)
ossl_rsa_private_encrypt(int argc, VALUE *argv, VALUE self)
{
EVP_PKEY *pkey;
int buf_len;
VALUE str;
int buf_len, pad;
VALUE str, buffer, padding;
GetPKeyRSA(self, pkey);
if (!RSA_PRIVATE(pkey->pkey.rsa)) {
ossl_raise(eRSAError, "Private RSA key needed!");
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(buffer)->len, RSTRING(buffer)->ptr,
RSTRING(str)->ptr, pkey->pkey.rsa,
pad);
if (buf_len < 0) ossl_raise(eRSAError, NULL);
RSTRING(str)->len = buf_len;
RSTRING(str)->ptr[buf_len] = 0;
return str;
}
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(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(buffer)->len, RSTRING(buffer)->ptr,
RSTRING(str)->ptr, pkey->pkey.rsa,
RSA_PKCS1_PADDING);
pad);
if (buf_len < 0) ossl_raise(eRSAError, NULL);
RSTRING(str)->len = buf_len;
RSTRING(str)->ptr[buf_len] = 0;
@ -451,6 +459,8 @@ OSSL_PKEY_BN(rsa, iqmp);
/*
* INIT
*/
#define DefRSAConst(x) rb_define_const(cRSA, #x,INT2FIX(RSA_##x))
void
Init_ossl_rsa()
{
@ -469,10 +479,10 @@ Init_ossl_rsa()
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);
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);
@ -485,6 +495,11 @@ Init_ossl_rsa()
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);

38
test/openssl/test_pkey_rsa.rb Normal file
View file

@ -0,0 +1,38 @@
begin
require "openssl"
require File.join(File.dirname(__FILE__), "utils.rb")
rescue LoadError
end
require 'test/unit'
if defined?(OpenSSL)
class OpenSSL::TestPKeyRSA < Test::Unit::TestCase
def test_padding
key = OpenSSL::PKey::RSA.new(512, 3)
# Need right size for raw mode
plain0 = "x" * (512/8)
cipher = key.private_encrypt(plain0, OpenSSL::PKey::RSA::NO_PADDING)
plain1 = key.public_decrypt(cipher, OpenSSL::PKey::RSA::NO_PADDING)
assert_equal(plain0, plain1)
# Need smaller size for pkcs1 mode
plain0 = "x" * (512/8 - 11)
cipher1 = key.private_encrypt(plain0, OpenSSL::PKey::RSA::PKCS1_PADDING)
plain1 = key.public_decrypt(cipher1, OpenSSL::PKey::RSA::PKCS1_PADDING)
assert_equal(plain0, plain1)
cipherdef = key.private_encrypt(plain0) # PKCS1_PADDING is default
plain1 = key.public_decrypt(cipherdef)
assert_equal(plain0, plain1)
assert_equal(cipher1, cipherdef)
# Failure cases
assert_raise(ArgumentError){ key.private_encrypt() }
assert_raise(ArgumentError){ key.private_encrypt("hi", 1, nil) }
assert_raise(OpenSSL::PKey::RSAError){ key.private_encrypt(plain0, 666) }
end
end
end