public static bool RSA_VerifyData(byte[] data, byte[] signature, RSA rsa, Enums.SignatureAlgorithm algorithm)
{
if (algorithm == Enums.SignatureAlgorithm.rsa_pkcs1_sha512)
{
return(rsa.VerifyData(data, signature, HashAlgorithmName.SHA512, RSASignaturePadding.Pkcs1));
}
else if (algorithm == Enums.SignatureAlgorithm.rsa_pkcs1_sha384)
{
return(rsa.VerifyData(data, signature, HashAlgorithmName.SHA384, RSASignaturePadding.Pkcs1));
}
else if (algorithm == Enums.SignatureAlgorithm.rsa_pkcs1_sha256)
{
return(rsa.VerifyData(data, signature, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
}
else if (algorithm == Enums.SignatureAlgorithm.rsa_pss_rsae_sha512)
{
return(rsa.VerifyData(data, signature, HashAlgorithmName.SHA512, RSASignaturePadding.Pss));
}
else if (algorithm == Enums.SignatureAlgorithm.rsa_pss_rsae_sha384)
{
return(rsa.VerifyData(data, signature, HashAlgorithmName.SHA384, RSASignaturePadding.Pss));
}
else if (algorithm == Enums.SignatureAlgorithm.rsa_pss_rsae_sha256)
{
return(rsa.VerifyData(data, signature, HashAlgorithmName.SHA256, RSASignaturePadding.Pss));
}
else
{
throw new NotImplementedException($"SignatureAlgorithm {algorithm} NotImplemented");
}
}
public virtual bool SignatureVerify(byte[] data, byte[] signature, Enums.SignatureAlgorithm algorithm, AsymmetricAlgorithm asymmetric)
{
if (asymmetric is RSA rsa)
{
return(Utils.RSA_VerifyData(data, signature, rsa, algorithm));
}
else if (asymmetric is ECDsa ecc)
{
return(Utils.ECC_VerifyData(data, signature, ecc, algorithm));
}
return(false);
}
public virtual byte[] Signature(byte[] data, Enums.SignatureAlgorithm algorithm, AsymmetricAlgorithm asymmetric)
{
if (asymmetric is RSA rsa)
{
return(Utils.RSA_SignData(data, rsa, algorithm));
}
else if (asymmetric is ECDsa ecc)
{
return(Utils.ECC_SignData(data, ecc, algorithm));
}
return(null);
}
public static byte[] ECC_SignData(byte[] data, ECDsa ecdsa, Enums.SignatureAlgorithm algorithm)
{
if (algorithm == Enums.SignatureAlgorithm.ecdsa_secp256r1_sha256)
{
return(ecdsa.SignData(data, HashAlgorithmName.SHA256));
}
else if (algorithm == Enums.SignatureAlgorithm.ecdsa_secp384r1_sha384)
{
return(ecdsa.SignData(data, HashAlgorithmName.SHA384));
}
else if (algorithm == Enums.SignatureAlgorithm.ecdsa_secp521r1_sha512)
{
return(ecdsa.SignData(data, HashAlgorithmName.SHA512));
}
else
{
throw new NotImplementedException($"SignatureAlgorithm {algorithm} NotImplemented");
}
}
