NETCore.Encrypt/test/NETCore.Encrypt.Tests/RSA_Tests.cs at master · csharpHub/NETCore.Encrypt

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using System;

using System.Collections.Generic;

using System.Text;

using Xunit;

using NETCore.Encrypt;

using System.Security.Cryptography;

using NETCore.Encrypt.Extensions;

namespace NETCore.Encrypt.Tests

{

public class RSA_Tests

{

[Theory]

[InlineData(RsaSize.R2048)]

[InlineData(RsaSize.R3072)]

[InlineData(RsaSize.R4096)]

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);

}

[Theory]

[InlineData(RsaSize.R2048)]

[InlineData(RsaSize.R3072)]

[InlineData(RsaSize.R4096)]

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);

}

[Theory(DisplayName = "Rsa encrypt with custom RSAEncryptionPadding")]

[InlineData(RsaSize.R2048)]

[InlineData(RsaSize.R3072)]

[InlineData(RsaSize.R4096)]

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);

}

[Fact(DisplayName = "Rsa encrypt fail with emtpy key")]

public void Rsa_Encrypt_EmptyKey_Test()

{

var key = string.Empty;

var srcString = "rsa encrypt";

//Assert

Assert.Throws<ArgumentException>(() => EncryptProvider.RSAEncrypt(key, srcString));

}

[Fact(DisplayName = "Rsa encrypt fail with emtpy data")]

public void Rsa_Encrypt_EmptyData_Test()

{

var rsaKey = EncryptProvider.CreateRsaKey();

var srcString = string.Empty;

//Assert

Assert.Throws<ArgumentException>(() => EncryptProvider.RSAEncrypt(rsaKey.PublicKey, srcString));

}

[Theory]

[InlineData(RsaSize.R2048)]

[InlineData(RsaSize.R3072)]

[InlineData(RsaSize.R4096)]

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);

}

[Theory(DisplayName = "Rsa decrypt with custom RSAEncryptionPadding")]

[InlineData(RsaSize.R2048)]

[InlineData(RsaSize.R3072)]

[InlineData(RsaSize.R4096)]

public void Rsa_Decrypt_WithPadding_Test(RsaSize size)

{

var rsaKey = EncryptProvider.CreateRsaKey(size);

var srcString = "rsa decrypt";

//Act

var padding = RSAEncryptionPadding.Pkcs1;

var encrypted = EncryptProvider.RSAEncrypt(rsaKey.PublicKey, srcString, padding);

var decrypted = EncryptProvider.RSADecrypt(rsaKey.PrivateKey, encrypted, padding);

//Assert

Assert.NotEmpty(encrypted);

Assert.NotEmpty(decrypted);

Assert.Equal(srcString, decrypted);

}

[Fact(DisplayName = "Rsa decrypt fail with emtpy key")]

public void Rsa_Decrypt_EmptyKey_Test()

{

var key = string.Empty;

var srcString = "rsa decrypt";

//Assert

Assert.Throws<ArgumentException>(() => EncryptProvider.RSAEncrypt(key, srcString));

}

[Fact(DisplayName = "Rsa decrypt fail with emtpy data")]

public void Rsa_Decrypt_EmptyData_Test()

{

var rsaKey = EncryptProvider.CreateRsaKey();

var srcString = string.Empty;

//Assert

Assert.Throws<ArgumentException>(() => EncryptProvider.RSAEncrypt(rsaKey.PublicKey, srcString));

}

[Fact(DisplayName = "Rsa from json string test")]

public void Rsa_From_JsonString_Test()

{

var rsaKey = EncryptProvider.CreateRsaKey();

var publicKey = rsaKey.PublicKey;

var privateKey = rsaKey.PrivateKey;

var rsa = EncryptProvider.RSAFromString(publicKey);

Assert.NotNull(rsa);

}

[Theory(DisplayName = "Rsa encrypt string length limit test")]

[InlineData(RsaSize.R2048)]

[InlineData(RsaSize.R3072)]

[InlineData(RsaSize.R4096)]

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);

}

[Fact(DisplayName = "Rsa encrypt out of max length exception test")]

public void Rsa_Encrypt_OutofMaxLength_Exception_Test()

{

//Act

var rsaKey = EncryptProvider.CreateRsaKey();

var publicKey = rsaKey.PublicKey;

//Assert

Assert.Throws<OutofMaxlengthException>(() =>

{

EncryptProvider.RSAEncrypt(publicKey, rawStr);

});

}

[Fact(DisplayName = "Rsa sign and verify test")]

public void Rsa_SignAndVerify_Test()

{

//Act

var rawStr = "123456";

var rawStr1 = "123457";

var rsaKey = EncryptProvider.CreateRsaKey();

var privateKey = rsaKey.PrivateKey;

var publicKey = rsaKey.PublicKey;

var signStr = EncryptProvider.RSASign(rawStr, privateKey);

var result = EncryptProvider.RSAVerify(rawStr, signStr, publicKey);

var errorResult = EncryptProvider.RSAVerify(rawStr1, signStr, publicKey);

//Assert

Assert.NotEmpty(signStr);

Assert.True(result);

Assert.False(errorResult);

}

[Theory(DisplayName = "Rsa to pem test")]

[InlineData(true)]

[InlineData(false)]

public void Rsa_To_Pem_Test(bool isPKCS8)

{

//Act

var pemResult = EncryptProvider.RSAToPem(isPKCS8);

//Assert

Assert.NotEmpty(pemResult.privatePem);

Assert.NotEmpty(pemResult.publicPem);

}

[Fact(DisplayName = "Rsa from pem test")]

public void Rsa_From_Pem_Test()

{

//Act

var pemPublicKey = @"

-----BEGIN PUBLIC KEY-----

MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxnBvS8cdsnAev2sRDRYWxznm1

QxZzaypfNXLvK7CDGk8TR7K+Pzsa+tpJfoyN/Z4B6xdlpsERo2Cu6AzolvrDLx5w

ZoI0kgdfaBMbUkdOB1m97zFYjKWoPeTskFzWZ3GHcQ3EXT0NJXXFXAskY45vEpbc

5qFgEhcPy3BMqHRibwIDAQAB

-----END PUBLIC KEY-----";

var rsaFromPublickPem = EncryptProvider.RSAFromPem(pemPublicKey);

var pemPrivateKey = @"

-----BEGIN RSA PRIVATE KEY-----

MIICWwIBAAKBgQCxnBvS8cdsnAev2sRDRYWxznm1QxZzaypfNXLvK7CDGk8TR7K+

Pzsa+tpJfoyN/Z4B6xdlpsERo2Cu6AzolvrDLx5wZoI0kgdfaBMbUkdOB1m97zFY

jKWoPeTskFzWZ3GHcQ3EXT0NJXXFXAskY45vEpbc5qFgEhcPy3BMqHRibwIDAQAB

AoGAAdwpqm7fxh0S3jOYpJULeQ45gL11dGX7Pp4CWHYzq1vQ14SDtFxYfnLWwGLz

499zvSoSHP1pvjPgz6lxy9Rw8dUxCgvh8VQydMQzaug2XD1tkmtcSWInwFKBAfQ7

rceleyD0aK8JHJiuzM1p+yIJ/ImGK0Zk2U/svqrdJrNR4EkCQQDo3d5iWcjd3OLD

38k1GALEuN17KNpJqLvJcIEJl0pcHtOiNnyy2MR/XUghDpuxwhrhudB/TvX4tuI0

MUeVo5fjAkEAw0D6m9jkwE5uuEYN/l/84rbQ79p2I7r5Sk6zbMyBOvgl6CDlJyxY

434DDm6XW7c55ALrnlratEW5HPiPxuHZBQJANnE4vtGy7nvn4Fd/mRQmAYwe695f

On1iefP9lxpx3huu6uvGN6IKPqS2alQZ/nMdCc0Be+IgC6fmNsGWtNtsdQJAJvB4

ikgxJqD9t8ZQ2CAwgM5Q0OTSlsGdIdKcOeB3DVmbxbV5vdw8RfJFjcVEbkgWRYDH

mKcp4rXc+wgfNFyqOQJATZ1I5ER8AZAn5JMMH9zK+6oFvhLUgKyWO18W+dbcFrBd

AzlTB+HHYEIyTmaDtXWAwgBvJNIHk4BbM1meCH4QnA==

-----END RSA PRIVATE KEY-----";

var rsaFromPrivatePem = EncryptProvider.RSAFromPem(pemPrivateKey);

//Assert

Assert.NotNull(rsaFromPublickPem);

Assert.Equal(rsaFromPublickPem.KeySize, rsaFromPrivatePem.KeySize);

}

[Fact(DisplayName = "Rsa encrypt decrypt with pem key test")]

public void Rsa_Pem_Test()

{

//Act

var rawStr = @"MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQMIGfMA0GCS";