41 lines
1.3 KiB
C#
41 lines
1.3 KiB
C#
using System;
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using Org.BouncyCastle.Math;
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namespace Org.BouncyCastle.Crypto
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{
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/**
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* interface for classes implementing the Digital Signature Algorithm
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*/
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public interface IDsa
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{
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string AlgorithmName { get; }
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/**
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* initialise the signer for signature generation or signature
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* verification.
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*
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* @param forSigning true if we are generating a signature, false
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* otherwise.
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* @param param key parameters for signature generation.
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*/
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void Init(bool forSigning, ICipherParameters parameters);
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/**
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* sign the passed in message (usually the output of a hash function).
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*
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* @param message the message to be signed.
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* @return two big integers representing the r and s values respectively.
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*/
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BigInteger[] GenerateSignature(byte[] message);
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/**
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* verify the message message against the signature values r and s.
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*
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* @param message the message that was supposed to have been signed.
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* @param r the r signature value.
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* @param s the s signature value.
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*/
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bool VerifySignature(byte[] message, BigInteger r, BigInteger s);
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}
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}
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