76 lines
2.2 KiB
C#
76 lines
2.2 KiB
C#
using System;
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namespace SoundForce.ApiSigner
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{
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/// <summary>
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/// 签名算法类型
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/// </summary>
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public enum SignatureAlgorithm
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{
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/// <summary>
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/// MD5算法（默认、最快）
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/// </summary>
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Md5,
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/// <summary>
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/// SHA1算法
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/// </summary>
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Sha1,
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/// <summary>
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/// SHA256算法
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/// </summary>
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Sha256,
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/// <summary>
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/// HMAC-SHA256算法（最安全）
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/// </summary>
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HmacSha256
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}
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/// <summary>
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/// 签名算法扩展方法
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/// </summary>
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public static class SignatureAlgorithmExtensions
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{
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/// <summary>
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/// 从字符串解析算法类型
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/// </summary>
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/// <param name="algorithm">算法字符串</param>
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/// <returns>签名算法枚举</returns>
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/// <exception cref="ArgumentException">如果算法无效</exception>
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public static SignatureAlgorithm FromString(string? algorithm)
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{
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if (string.IsNullOrEmpty(algorithm))
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return SignatureAlgorithm.Md5;
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return algorithm.ToUpperInvariant() switch
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{
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"MD5" => SignatureAlgorithm.Md5,
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"SHA1" => SignatureAlgorithm.Sha1,
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"SHA256" => SignatureAlgorithm.Sha256,
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"HMAC_SHA256" => SignatureAlgorithm.HmacSha256,
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"HMACSHA256" => SignatureAlgorithm.HmacSha256,
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"HMAC-SHA256" => SignatureAlgorithm.HmacSha256,
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_ => throw new ArgumentException($"无效的签名算法: {algorithm}", nameof(algorithm))
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};
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}
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/// <summary>
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/// 获取算法的字符串表示
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/// </summary>
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/// <param name="algorithm">签名算法</param>
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/// <returns>算法的字符串表示</returns>
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public static string ToString(this SignatureAlgorithm algorithm)
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{
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return algorithm switch
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{
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SignatureAlgorithm.Md5 => "MD5",
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SignatureAlgorithm.Sha1 => "SHA1",
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SignatureAlgorithm.Sha256 => "SHA256",
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SignatureAlgorithm.HmacSha256 => "HMAC-SHA256",
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_ => "UNKNOWN"
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};
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}
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}
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} |