public void Rsa_Encrypt_LengthLimit_Test(RsaSize size)
{
var rsaKey = EncryptProvider.CreateRsaKey(size);
var publicKey = rsaKey.PublicKey;
var privateKey = rsaKey.PrivateKey;
//Act
var rawStr = "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";
//RSAEncryptionPaddingMode is Pkcs1
var padding = RSAEncryptionPadding.Pkcs1;
var maxLength = ((int)size - 384) / 8 + 37;
var rawData = rawStr.Substring(0, maxLength);
var encryptedStr = EncryptProvider.RSAEncrypt(publicKey, rawData, padding);
var decryptedStr = EncryptProvider.RSADecrypt(privateKey, encryptedStr, padding);
//RSAEncryptionPaddingMode is Oaep
padding = RSAEncryptionPadding.OaepSHA1;
var sha1 = "oaep".SHA1();
var length = sha1.Length;
maxLength = (int)size / 8 - 42; //214 //40
rawData = rawStr.Substring(0, maxLength);
encryptedStr = EncryptProvider.RSAEncrypt(publicKey, rawData, padding);
decryptedStr = EncryptProvider.RSADecrypt(privateKey, encryptedStr, padding);
Assert.Equal(decryptedStr, rawData);
padding = RSAEncryptionPadding.OaepSHA256;
maxLength = (int)size / 8 - 66; //190 //64
rawData = rawStr.Substring(0, maxLength);
encryptedStr = EncryptProvider.RSAEncrypt(publicKey, rawData, padding);
decryptedStr = EncryptProvider.RSADecrypt(privateKey, encryptedStr, padding);
Assert.Equal(decryptedStr, rawData);
padding = RSAEncryptionPadding.OaepSHA384;
maxLength = (int)size / 8 - 98; //158 //96
rawData = rawStr.Substring(0, maxLength);
encryptedStr = EncryptProvider.RSAEncrypt(publicKey, rawData, padding);
decryptedStr = EncryptProvider.RSADecrypt(privateKey, encryptedStr, padding);
Assert.Equal(decryptedStr, rawData);
padding = RSAEncryptionPadding.OaepSHA512;
maxLength = (int)size / 8 - 130; //126 // 128
rawData = rawStr.Substring(0, maxLength);
encryptedStr = EncryptProvider.RSAEncrypt(publicKey, rawData, padding);
decryptedStr = EncryptProvider.RSADecrypt(privateKey, encryptedStr, padding);
Assert.Equal(decryptedStr, rawData);
}
/// <summary>
/// 创建Xml格式的RSA密钥对，默认【密钥长度】为2048
/// </summary>
/// <param name="size">密钥长度</param>
/// <returns></returns>
public (string publicKey, string privateKey) CreateXmlKey(RsaSize size = RsaSize.R2048)
{
using RSA rsa = RSA.Create();
rsa.KeySize = (int)size;
var te = rsa.ToXmlString(false);
return(rsa.ToXmlString(false), rsa.ToXmlString(true));
}
public void Rsa_Encrypt_WithPadding_Test(RsaSize size)
{
var rsaKey = EncryptProvider.CreateRsaKey(size);
var srcString = "rsa encrypt";
//Act
var encrypted = EncryptProvider.RSAEncrypt(rsaKey.PublicKey, srcString, RSAEncryptionPadding.Pkcs1);
//Assert
Assert.NotEmpty(encrypted);
}
public void Rsa_Encrypt_Success_Test(RsaSize size)
{
var rsaKey = EncryptProvider.CreateRsaKey(size);
var srcString = "rsa encrypt";
//Act
var encrypted = EncryptProvider.RSAEncrypt(rsaKey.PublicKey, srcString);
//Assert
Assert.NotEmpty(encrypted);
}
public void Create_RSAKey_Test(RsaSize size)
{
//Act
var rsaKey = EncryptProvider.CreateRsaKey(size);
//Assert
Assert.NotNull(rsaKey);
Assert.NotEmpty(rsaKey.PublicKey);
Assert.NotEmpty(rsaKey.PrivateKey);
Assert.NotEmpty(rsaKey.Exponent);
Assert.NotEmpty(rsaKey.Modulus);
}
public void Rsa_Decrypt_Success_Test(RsaSize size)
{
var rsaKey = EncryptProvider.CreateRsaKey(size);
var srcString = "rsa decrypt";
//Act
var encrypted = EncryptProvider.RSAEncrypt(rsaKey.PublicKey, srcString);
var decrypted = EncryptProvider.RSADecrypt(rsaKey.PrivateKey, encrypted);
//Assert
Assert.NotEmpty(encrypted);
Assert.NotEmpty(decrypted);
Assert.Equal(srcString, decrypted);
}
#pragma warning restore CS1591
/// <summary>
/// 生成 RSA 公钥和私钥
/// </summary>
/// <param name="rsaSize">密钥长度</param>
public static RSAKey GenerateRSAKeys(RsaSize rsaSize = RsaSize.R2048)
{
#if NET461
using (var rsa = new RSACryptoServiceProvider())
return new RSAKey()
{
PublicKey = rsa.ToXmlString(false),
PrivateKey = rsa.ToXmlString(true),
Exponent = rsa.ExportParameters(false).Exponent.ToHexString(),
Modulus = rsa.ExportParameters(false).Modulus.ToHexString()
};
#else
return((RSAKey)EncryptProvider.CreateRsaKey((NETCore.Encrypt.RsaSize)rsaSize));
#endif
}
/// <summary>
/// Create an RSA key
/// </summary>
/// <param name="keySizeInBits">the default size is 2048</param>
/// <returns></returns>
public static RSAKey CreateRsaKey(RsaSize rsaSize = RsaSize.R2048)
{
using (RSA rsa = RSA.Create((int)rsaSize))
{
string publicKey = rsa.ToJsonString(false);
string privateKey = rsa.ToJsonString(true);
return(new RSAKey()
{
PublicKey = publicKey,
PrivateKey = privateKey,
Exponent = rsa.ExportParameters(false).Exponent.ToHexString(),
Modulus = rsa.ExportParameters(false).Modulus.ToHexString()
});
}
}
public static RSAKey CreateRsaKey(RsaSize rsaSize = RsaSize.R2048)
{
using (System.Security.Cryptography.RSA rsa = System.Security.Cryptography.RSA.Create())
{
rsa.KeySize = (int)rsaSize;
string publicKey = rsa.ToJsonString(false);
string privateKey = rsa.ToJsonString(true);
return(new RSAKey()
{
PublicKey = publicKey,
PrivateKey = privateKey,
Exponent = rsa.ExportParameters(false).Exponent.ToHexString(),
Modulus = rsa.ExportParameters(false).Modulus.ToHexString()
});
}
}
/// <summary>
/// Create an RSA key
/// </summary>
/// <param name="rsaSize">the default size is 2048</param>
/// <param name="rsaKeyType">key serialization format</param>
/// <returns></returns>
public static RSAKey CreateRsaKey(RsaSize rsaSize = RsaSize.R2048, RsaKeyType rsaKeyType = RsaKeyType.JSON)
{
//#if NET461
using (var rsa = new RSACryptoServiceProvider((int)rsaSize))
//#else // only netcoreapp2.0
//using (RSA rsa = RSA.Create((int)rsaSize))
//#endif
{
//string publicKey = rsa.ToJsonString(false);
//string privateKey = rsa.ToJsonString(true);
string publicKey = string.Empty, privateKey = string.Empty;
switch (rsaKeyType)
{
case RsaKeyType.JSON:
publicKey = rsa.ToJsonString(false);
privateKey = rsa.ToJsonString(true);
break;
case RsaKeyType.XML:
#if NET461
publicKey = rsa.ToXmlString(false);
privateKey = rsa.ToXmlString(true);
#else
publicKey = rsa.ToLvccXmlString(false);
privateKey = rsa.ToLvccXmlString(true);
#endif
break;
}
return(new RSAKey()
{
PublicKey = publicKey,
PrivateKey = privateKey,
Exponent = rsa.ExportParameters(false).Exponent.ToHexString(),
Modulus = rsa.ExportParameters(false).Modulus.ToHexString()
});
}
}
/// <summary>
/// 生成 RSA 公钥和私钥
/// </summary>
/// <param name="publicKey">公钥</param>
/// <param name="privateKey">私钥</param>
/// <param name="rsaSize">加密长度</param>
/// <param name="rsaKeyType">密钥序列化格式(默认Json)</param>
public static void GenerateRSAKeys(out string publicKey, out string privateKey, RsaSize rsaSize = RsaSize.R2048, RsaKeyType rsaKeyType = RsaKeyType.JSON)
{
//using (var rsa = new RSACryptoServiceProvider())
//{
// publicKey = rsa.ToXmlString(false);
// privateKey = rsa.ToXmlString(true);
//}
var key = EncryptProvider.CreateRsaKey(rsaSize, rsaKeyType);
publicKey = key.PublicKey;
privateKey = key.PrivateKey;
}
/// <summary>
/// 创建PEM格式的RSA密钥对，默认填充为【PKCS#8】，默认【密钥长度】为2048
/// <para>【isPKCS8】为真时返回PKCS#8格式，否则返回PKCS#1格式，默认为【PKCS#8】</para>
/// </summary>
/// <param name="isPKCS8">是否为【PKCS#8】填充方式</param>
/// <param name="size">密钥长度</param>
/// <returns></returns>
public (string publicKey, string privateKey) CreatePemKey(bool isPKCS8 = true, RsaSize size = RsaSize.R2048)
{
using RSA rsa = RSA.Create();
rsa.KeySize = (int)size;
return(RsaToPEM(rsa, false, isPKCS8), RsaToPEM(rsa, true, isPKCS8));
}
/// <summary>
/// 创建密钥对，Xml格式的公钥和私钥
/// </summary>
/// <param name="xmlPrivateKey">公钥</param>
/// <param name="xmlPublicKey">私钥</param>
/// <param name="size">生成秘钥位数</param>
public static void CreateKey(out string xmlPrivateKey, out string xmlPublicKey, RsaSize size = RsaSize.R1024)
{
CreateKey(out xmlPrivateKey, out xmlPublicKey, size.Value());
}