phpseclib rsa 解密 return false
phpseclib rsa decryption return false
我正在尝试为 c# 服务器和网站实施 public-私钥 encryption/decryption。如果我使用 PHP 上的 public 密钥加密,我可以使用私钥轻松解密它,但是当我使用 public 密钥在 C# 中加密数据时,我无法使用私钥解密它键 PHP。基本上,return 什么都没有(或者来自 var_dump 的错误)。
C#
var pkey = $"<RSAKeyValue>\r\n\t<Modulus>MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsaxzQmdhvuM+yjJJgpVHUr0DW 3XbAr/sWbSdceanVX7IhccU8XCGurrM7rNYWhyIBzD8/RGGnqupfdt3rsNYvMKMO rU6thBEDBUVYJO58olDgW7ACbd/u95/0uRPzwGeqDQUn565iDfMyU6+jjaoGn7+D 5D0Bt8x6mLiu43y0zQIDAQAB</Modulus>\r\n\t<Exponent>AQAB</Exponent>\r\n</RSAKeyValue>";
//Encrypting the text using the public key
cipher = new RSACryptoServiceProvider();
cipher.FromXmlString(pkey);
byte[] data = Encoding.UTF8.GetBytes(message);
byte[] cipherText = cipher.Encrypt(data, false);
var encrypted = Convert.ToBase64String(cipherText);
Console.WriteLine(encrypted);
C# code image
来自PHP
$rsa = new RSA();
$rsa->loadKey('MIICXQIBAAKBgQCsaxzQmdhvuM+yjJJgpVHUr0DW3XbAr/sWbSdceanVX7IhccU8/nXCGurrM7rNYWhyIBzD8/RGGnqupfdt3rsNYvMKMOrU6thBEDBUVYJO58olDgW7AC/nbd/u95/0uRPzwGeqDQUn565iDfMyU6+jjaoGn7+D5D0Bt8x6mLiu43y0zQIDAQAB/nAoGAXLIRgczUYew4LcQJhlAbGH9IGrxh9eIm2b3BZaQ7PG4AdJ6X7YWSzjk6PyEC/n0IXCMLlAX6FB50SqULy1PtuJql6HAGP5E1YLUxbgct/+JTC3Txy7jLlBRENyf4Nz/nj0oVvR+//vLLNc/MRl4g8gsCOvtTv4QWDkhvPYq0nLNkGHkCQQDkdiGs103RC5pf/n9/SUMq95bIpAS3jDOrjNKrHjTCYPzchExh1Q3qcyJWWCDgUVP4rUwk5NBYyJ/Glb/nRUDeXuQbAkEAwTOag7BbRguTjjcZeyHrbCPEaimpEClzdEWp6CPxGwHYcTWes74K/ncJrhesgy3ZTqVi4lILdNbpUvq1JjvwpJNwJAVplYxnWOb7EgQURyF0LnNPWpqhlx/nmz9FEbAfYfNZciAky7z1G9RqOB3ozlWWI6nEbEWC/LsfvKZLIWes4R3DBQJBAJq3/nOmtu1Qj4yEdA9JTYivDki6wAhLS+nQhlqTSPY8se5Tdzmw2RiEa4oQx0OdecIzS0/na2MRp16A9dWaeupH0G0CQQDii6l2MeVK4ImBqeEjycRQYRhRxLsiEA7ad0ptGvfC/nir/AowGmQ6jTmkMxp+zSFFCHS8ZHAAcBnZ3Ef5kA8SFY');
$convert = base64_decode("CkR7GLQZFUHLcFnhMGxsLYX/4rbrOM+NaXFLyTED3H+xbTChLsXRBQTGo7Xme44b4+/1c7SWahah/FI4gqFx5aDJ1olUmvUR/cto2X7QjBbIBJiFmXRAokbyyBBZ14v8iFqHwunv6Yc+5k/kO/fMK41mJn8xQms+K79CERkCASB7W3dxAFqh06Ksq/Mi9HwW0RakIsbHsdhu3hGQQy4d4h5J");
var_dump($rsa->decrypt($convert));
注意:这些密钥不是真实的,它们是为开发目的而生成的
填充方案错误
您必须使用完全相同的填充方案才能工作。
cipher.Encrypt(data, false)
中的 false
禁用了 OAEP。因此,PKCS#1 v1.5 填充将用于加密。
您必须设置以下内容才能使用相同的填充方案:
$rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1);
钥匙损坏
请记住,您需要为此使用正确的密钥。您似乎正在使用 here 中的密钥进行测试。
如果我们 decode public 键,我们得到十六进制的:
modulus = 94 FB 56 CB 7C F9 9C 63 BA AB 17 F7 53 6C 0B 6E 26 5B F8 47 F1 55 73 55 84 1F D1 CA 53 48 D0 8D 7F E7 FD D6 FD BF 3F F1 D2 2D ED 7B F6 CA 2C D1 1C C1 48 41 BB E3 D6 3E 73 AD FE A5 54 44 6F 41 51 3E 91 B0 24 45 52 7D 02 C8 68 94 2A 8C B8 E6 8F 4A FE 62 40 1E 66 EB 36 DA D4 07 A7 24 AD 82 C5 EF 96 39 D2 75 0D B0 15 47 50 3C 3C C9 0C A6 9A 23 81 4F 58 1C FC A3 39 B3 5C 53 CF 8E 0B 33
exponent = 01 00 01
我们可以使用 this tool 将此 Hex 表示形式转换为 Base64 表示形式。请记住,如果您想转换它,请不要传输您的私钥。 C# 的 public 密钥如下所示:
<RSAKeyValue><Modulus>lPtWy3z5nGO6qxf3U2wLbiZb+EfxVXNVhB/RylNI0I1/5/3W/b8/8dIt7Xv2yizRHMFIQbvj1j5zrf6lVERvQVE+kbAkRVJ9AsholCqMuOaPSv5iQB5m6zba1AenJK2Cxe+WOdJ1DbAVR1A8PMkMppojgU9YHPyjObNcU8+OCzM=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>
现在到你的私钥。 PHP supports multiline strings。使用它们!您试图将您的私钥减少到一行,因此,您犯了一个错误。换行符是 \n
而不是 /n
.
解决方案
var pkey = "<RSAKeyValue><Modulus>lPtWy3z5nGO6qxf3U2wLbiZb+EfxVXNVhB/RylNI0I1/5/3W/b8/8dIt7Xv2yizRHMFIQbvj1j5zrf6lVERvQVE+kbAkRVJ9AsholCqMuOaPSv5iQB5m6zba1AenJK2Cxe+WOdJ1DbAVR1A8PMkMppojgU9YHPyjObNcU8+OCzM=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
var cipher = new RSACryptoServiceProvider();
cipher.FromXmlString(pkey);
byte[] data = Encoding.UTF8.GetBytes("some message");
byte[] cipherText = cipher.Encrypt(data, false);
var encrypted = Convert.ToBase64String(cipherText);
Console.WriteLine(encrypted);
C# 输出:
kRyQsT55mQWmjQ0n1GbXOpaoMvng/BDNWk/0S2G4cqsKD1Fm7ktFdQIvnGlY6kbPXY0unwzGHbBpUGrALOITeyPHCRdsGIGVUc2O0lqI74QROloyoShXwX7TyAwzLJB6yiVSM7SDpy/6wJ5XkHLZRJu9KxmFrIBgOB9+b2x6C4A=
PHP 例子:
use \phpseclib\Crypt\RSA;
$private_key = "-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----";
$rsa = new RSA();
var_dump($rsa->loadKey($private_key));
$rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1);
$convert = base64_decode("kRyQsT55mQWmjQ0n1GbXOpaoMvng/BDNWk/0S2G4cqsKD1Fm7ktFdQIvnGlY6kbPXY0unwzGHbBpUGrALOITeyPHCRdsGIGVUc2O0lqI74QROloyoShXwX7TyAwzLJB6yiVSM7SDpy/6wJ5XkHLZRJu9KxmFrIBgOB9+b2x6C4A=");
var_dump($rsa->decrypt($convert));
PHP 输出:
bool(true)
string(12) "some message"
我正在尝试为 c# 服务器和网站实施 public-私钥 encryption/decryption。如果我使用 PHP 上的 public 密钥加密,我可以使用私钥轻松解密它,但是当我使用 public 密钥在 C# 中加密数据时,我无法使用私钥解密它键 PHP。基本上,return 什么都没有(或者来自 var_dump 的错误)。
C#
var pkey = $"<RSAKeyValue>\r\n\t<Modulus>MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsaxzQmdhvuM+yjJJgpVHUr0DW 3XbAr/sWbSdceanVX7IhccU8XCGurrM7rNYWhyIBzD8/RGGnqupfdt3rsNYvMKMO rU6thBEDBUVYJO58olDgW7ACbd/u95/0uRPzwGeqDQUn565iDfMyU6+jjaoGn7+D 5D0Bt8x6mLiu43y0zQIDAQAB</Modulus>\r\n\t<Exponent>AQAB</Exponent>\r\n</RSAKeyValue>";
//Encrypting the text using the public key
cipher = new RSACryptoServiceProvider();
cipher.FromXmlString(pkey);
byte[] data = Encoding.UTF8.GetBytes(message);
byte[] cipherText = cipher.Encrypt(data, false);
var encrypted = Convert.ToBase64String(cipherText);
Console.WriteLine(encrypted);
C# code image
来自PHP
$rsa = new RSA();
$rsa->loadKey('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');
$convert = base64_decode("CkR7GLQZFUHLcFnhMGxsLYX/4rbrOM+NaXFLyTED3H+xbTChLsXRBQTGo7Xme44b4+/1c7SWahah/FI4gqFx5aDJ1olUmvUR/cto2X7QjBbIBJiFmXRAokbyyBBZ14v8iFqHwunv6Yc+5k/kO/fMK41mJn8xQms+K79CERkCASB7W3dxAFqh06Ksq/Mi9HwW0RakIsbHsdhu3hGQQy4d4h5J");
var_dump($rsa->decrypt($convert));
注意:这些密钥不是真实的,它们是为开发目的而生成的
填充方案错误
您必须使用完全相同的填充方案才能工作。
cipher.Encrypt(data, false)
中的 false
禁用了 OAEP。因此,PKCS#1 v1.5 填充将用于加密。
您必须设置以下内容才能使用相同的填充方案:
$rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1);
钥匙损坏
请记住,您需要为此使用正确的密钥。您似乎正在使用 here 中的密钥进行测试。
如果我们 decode public 键,我们得到十六进制的:
modulus = 94 FB 56 CB 7C F9 9C 63 BA AB 17 F7 53 6C 0B 6E 26 5B F8 47 F1 55 73 55 84 1F D1 CA 53 48 D0 8D 7F E7 FD D6 FD BF 3F F1 D2 2D ED 7B F6 CA 2C D1 1C C1 48 41 BB E3 D6 3E 73 AD FE A5 54 44 6F 41 51 3E 91 B0 24 45 52 7D 02 C8 68 94 2A 8C B8 E6 8F 4A FE 62 40 1E 66 EB 36 DA D4 07 A7 24 AD 82 C5 EF 96 39 D2 75 0D B0 15 47 50 3C 3C C9 0C A6 9A 23 81 4F 58 1C FC A3 39 B3 5C 53 CF 8E 0B 33
exponent = 01 00 01
我们可以使用 this tool 将此 Hex 表示形式转换为 Base64 表示形式。请记住,如果您想转换它,请不要传输您的私钥。 C# 的 public 密钥如下所示:
<RSAKeyValue><Modulus>lPtWy3z5nGO6qxf3U2wLbiZb+EfxVXNVhB/RylNI0I1/5/3W/b8/8dIt7Xv2yizRHMFIQbvj1j5zrf6lVERvQVE+kbAkRVJ9AsholCqMuOaPSv5iQB5m6zba1AenJK2Cxe+WOdJ1DbAVR1A8PMkMppojgU9YHPyjObNcU8+OCzM=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>
现在到你的私钥。 PHP supports multiline strings。使用它们!您试图将您的私钥减少到一行,因此,您犯了一个错误。换行符是 \n
而不是 /n
.
解决方案
var pkey = "<RSAKeyValue><Modulus>lPtWy3z5nGO6qxf3U2wLbiZb+EfxVXNVhB/RylNI0I1/5/3W/b8/8dIt7Xv2yizRHMFIQbvj1j5zrf6lVERvQVE+kbAkRVJ9AsholCqMuOaPSv5iQB5m6zba1AenJK2Cxe+WOdJ1DbAVR1A8PMkMppojgU9YHPyjObNcU8+OCzM=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
var cipher = new RSACryptoServiceProvider();
cipher.FromXmlString(pkey);
byte[] data = Encoding.UTF8.GetBytes("some message");
byte[] cipherText = cipher.Encrypt(data, false);
var encrypted = Convert.ToBase64String(cipherText);
Console.WriteLine(encrypted);
C# 输出:
kRyQsT55mQWmjQ0n1GbXOpaoMvng/BDNWk/0S2G4cqsKD1Fm7ktFdQIvnGlY6kbPXY0unwzGHbBpUGrALOITeyPHCRdsGIGVUc2O0lqI74QROloyoShXwX7TyAwzLJB6yiVSM7SDpy/6wJ5XkHLZRJu9KxmFrIBgOB9+b2x6C4A=
PHP 例子:
use \phpseclib\Crypt\RSA;
$private_key = "-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----";
$rsa = new RSA();
var_dump($rsa->loadKey($private_key));
$rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1);
$convert = base64_decode("kRyQsT55mQWmjQ0n1GbXOpaoMvng/BDNWk/0S2G4cqsKD1Fm7ktFdQIvnGlY6kbPXY0unwzGHbBpUGrALOITeyPHCRdsGIGVUc2O0lqI74QROloyoShXwX7TyAwzLJB6yiVSM7SDpy/6wJ5XkHLZRJu9KxmFrIBgOB9+b2x6C4A=");
var_dump($rsa->decrypt($convert));
PHP 输出:
bool(true) string(12) "some message"