我有简单的RSA编码/解码脚本,例如:
use Crypt::RSA;
my $rsa = new Crypt::RSA;
my($public, $private) = $rsa->keygen( Size => 2048 )
or die $rsa->errstr();
my $email = '...';
my $em = $rsa->encrypt( Message => $email, Key => $public );
my $dm = $rsa->decrypt( Ciphertext => $em, Key => $private );
print "$dm\n";
但是我想修改此脚本以将RSA密钥用作 e , d 和 n 值,例如:
e => 10001
d => 135b03530e94874283f0f0000ffff0001
n => 24000c6c9620886831124848640044901
如何将这三个参数转换为Crypt::RSA::Key
个对象,反之亦然?
或者,如何将这三个参数与Crypt::RSA
一起用于加密和解密?
答案 0 :(得分:7)
我建议你检查这个模块:Crypt::OpenSSL::RSA,Crypt::OpenSSL::Bignum,或者检查我如何在github中使用它的存储库:Perl backend for Jcryption
通过参数n,e,d
创建RSAuse strict;
use Crypt::OpenSSL::Bignum;
use Crypt::OpenSSL::Random;
use Crypt::OpenSSL::RSA;
my $param_ref = {
n => 'C8F19E3A7C18A5FE6D1DE07926F4E6403EA6558EE4892D29155F2C52678E210FE5D61DBC9EC77F2DD39FC8D9F2717F23629B7E18BDB38AADF9FC5BF1CA968C67F4BF0F2D6657E1374A845048B6CDCB2B8B2B3F31BF7F134A11B9A063EB7C326B27C0027955637E6089293F5F4CD40F5B91142BBA61B8E473A8D14B447896B5FD',
e => '010001',
d => '574C612997703DED630A6FD3329182D6B6611D1A8F3EE957C7E9292043CD03A01C82013948E1F2E6BDE1D5289AA3A450832E7A81D528833F4233D8DE1ADD7CF1878CBACDE64DE4364F8B73093753D6E322732EAEC942281CE4AF55D212E77EC4A108708864D3F86A67C63FBE8206A543A42ABF45E56C1E41A2F2BA0CCC1C8001',
};
my $n = Crypt::OpenSSL::Bignum->new_from_hex($param_ref->{n});
my $e = Crypt::OpenSSL::Bignum->new_from_hex($param_ref->{e});
my $d = Crypt::OpenSSL::Bignum->new_from_hex($param_ref->{d});
my $rsa = Crypt::OpenSSL::RSA->new_key_from_parameters($n, $e, $d);
printf "private key is: %s\n", $rsa->get_private_key_string();
printf "public key (in PKCS1 format) is: %s\n", $rsa->get_public_key_string();
从RSA对象获取关键参数
use strict;
use Crypt::OpenSSL::Bignum;
use Crypt::OpenSSL::Random;
use Crypt::OpenSSL::RSA;
my $rsa = Crypt::OpenSSL::RSA->generate_key(2048);
my ($n, $e, $d, $p, $q) = $rsa->get_key_parameters();
printf "private key is: %s\n", $rsa->get_private_key_string();
printf "public key (in PKCS1 format) is: %s\n", $rsa->get_public_key_string();