зеркало из https://github.com/github/ruby.git
99 строки
2.4 KiB
C
99 строки
2.4 KiB
C
/*
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* $Id$
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* Copyright (C) 2007 Technorama Ltd. <oss-ruby@technorama.net>
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*/
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#include "ossl.h"
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VALUE mPKCS5;
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VALUE ePKCS5;
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#ifdef HAVE_PKCS5_PBKDF2_HMAC
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/*
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* call-seq:
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* PKCS5.pbkdf2_hmac(pass, salt, iter, keylen, digest) => string
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*
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* === Parameters
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* * +pass+ - string
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* * +salt+ - string
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* * +iter+ - integer - should be greater than 1000. 2000 is better.
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* * +keylen+ - integer
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* * +digest+ - a string or OpenSSL::Digest object.
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*
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* Available in OpenSSL 0.9.9?.
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*
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* Digests other than SHA1 may not be supported by other cryptography libraries.
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*/
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static VALUE
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ossl_pkcs5_pbkdf2_hmac(VALUE self, VALUE pass, VALUE salt, VALUE iter, VALUE keylen, VALUE digest)
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{
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VALUE str;
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const EVP_MD *md;
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int len = NUM2INT(keylen);
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StringValue(pass);
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StringValue(salt);
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md = GetDigestPtr(digest);
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str = rb_str_new(0, len);
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if (PKCS5_PBKDF2_HMAC(RSTRING_PTR(pass), RSTRING_LEN(pass), RSTRING_PTR(salt), RSTRING_LEN(salt), NUM2INT(iter), md, len, RSTRING_PTR(str)) != 1)
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ossl_raise(ePKCS5, "PKCS5_PBKDF2_HMAC");
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return str;
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}
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#else
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#define ossl_pkcs5_pbkdf2_hmac rb_f_notimplement
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#endif
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#ifdef HAVE_PKCS5_PBKDF2_HMAC_SHA1
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/*
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* call-seq:
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* PKCS5.pbkdf2_hmac_sha1(pass, salt, iter, keylen) => string
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*
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* === Parameters
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* * +pass+ - string
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* * +salt+ - string
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* * +iter+ - integer - should be greater than 1000. 2000 is better.
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* * +keylen+ - integer
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*
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* This method is available almost any version OpenSSL.
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*
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* Conforms to rfc2898.
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*/
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static VALUE
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ossl_pkcs5_pbkdf2_hmac_sha1(VALUE self, VALUE pass, VALUE salt, VALUE iter, VALUE keylen)
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{
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VALUE str;
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int len = NUM2INT(keylen);
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StringValue(pass);
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StringValue(salt);
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str = rb_str_new(0, len);
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if (PKCS5_PBKDF2_HMAC_SHA1(RSTRING_PTR(pass), RSTRING_LEN(pass),
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(const unsigned char *)RSTRING_PTR(salt), RSTRING_LEN(salt), NUM2INT(iter),
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len, (unsigned char *)RSTRING_PTR(str)) != 1)
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ossl_raise(ePKCS5, "PKCS5_PBKDF2_HMAC_SHA1");
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return str;
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}
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#else
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#define ossl_pkcs5_pbkdf2_hmac_sha1 rb_f_notimplement
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#endif
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void
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Init_ossl_pkcs5()
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{
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/*
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* Password-based Encryption
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*
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*/
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mPKCS5 = rb_define_module_under(mOSSL, "PKCS5");
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ePKCS5 = rb_define_class_under(mPKCS5, "PKCS5Error", eOSSLError);
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rb_define_module_function(mPKCS5, "pbkdf2_hmac", ossl_pkcs5_pbkdf2_hmac, 5);
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rb_define_module_function(mPKCS5, "pbkdf2_hmac_sha1", ossl_pkcs5_pbkdf2_hmac_sha1, 4);
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}
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