PHP和C#HMAC SHA256
我需要在C#中转换以下php代码: 在哪里 及 我使用以下C代码: 在哪里PHP和C#HMAC SHA256,c#,php,sha256,hmac,C#,Php,Sha256,Hmac,我需要在C#中转换以下php代码: 在哪里 及 我使用以下C代码: 在哪里 public byte[] HashHMAC(string ent, byte[] key) { byte[] toEncryptArray =System.Text.Encoding.GetEncoding(28591).GetBytes(ent); HMACSHA256 hash = new HMACSHA256(key); return hash.ComputeHash(toEncryptArr
public byte[] HashHMAC(string ent, byte[] key)
{
byte[] toEncryptArray =System.Text.Encoding.GetEncoding(28591).GetBytes(ent);
HMACSHA256 hash = new HMACSHA256(key);
return hash.ComputeHash(toEncryptArray);
}
完整的php源代码在这里提供
我也检查了这个帖子
这个呢
但是结果不一样。此代码应该可以实现以下功能:
static byte[] hmacSHA256(String data, String key)
{
using (HMACSHA256 hmac = new HMACSHA256(Encoding.ASCII.GetBytes(key)))
{
return hmac.ComputeHash(Encoding.ASCII.GetBytes(data));
}
}
如果我将此代码称为:
Console.WriteLine(BitConverter.ToString(hmacSHA256("1234", "1234")).Replace("-", "").ToLower());
public static string GetParameters(string merchantCode, string terminal, int currency, string transactionType, decimal amount, string merchantOrder, string merchantIdentifier, string merchantPost, string urlOk, string urlKo)
{
var jsonValues = new Dictionary<string, string>
{
{ "Ds_Merchant_Amount", amount.ToString().Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator, "") },
{ "Ds_Merchant_Order", merchantOrder},
{ "Ds_Merchant_MerchantCode", merchantCode },
{ "Ds_Merchant_Currency", currency.ToString() },
{ "Ds_Merchant_TransactionType", transactionType },
{ "Ds_Merchant_Terminal", terminal },
{ "Ds_Merchant_Identifier", merchantIdentifier },
{ "Ds_Merchant_MerchantURL", merchantPost },
{ "Ds_Merchant_UrlOK", urlOk},
{ "Ds_Merchant_UrlKO", urlKo}
}.Select(kvp => "\"{0}\":\"{1}\"".Formato(kvp.Key.ToUpper(), kvp.Value));
var jsonString = "{" + string.Join(",", jsonValues) + "}";
return Convert.ToBase64String(ASCIIEncoding.ASCII.GetBytes(jsonString));
}
它返回:
4e4feaea959d426155a480dc07ef92f4754ee93edbe56d993d74f131497e66fb
当我在PHP中运行时:
echo hash_hmac('sha256', "1234", "1234", false);
它回来了
4e4feaea959d426155a480dc07ef92f4754ee93edbe56d993d74f131497e66fb
我很确定您正在处理新的RedSys SHA256签名实现。我还看到,您对PHP和C#之间的3DES加密存在一些问题 首先,您必须获取包含所有付款参数的base 64字符串。您可以通过以下代码来实现:
Console.WriteLine(BitConverter.ToString(hmacSHA256("1234", "1234")).Replace("-", "").ToLower());
public static string GetParameters(string merchantCode, string terminal, int currency, string transactionType, decimal amount, string merchantOrder, string merchantIdentifier, string merchantPost, string urlOk, string urlKo)
{
var jsonValues = new Dictionary<string, string>
{
{ "Ds_Merchant_Amount", amount.ToString().Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator, "") },
{ "Ds_Merchant_Order", merchantOrder},
{ "Ds_Merchant_MerchantCode", merchantCode },
{ "Ds_Merchant_Currency", currency.ToString() },
{ "Ds_Merchant_TransactionType", transactionType },
{ "Ds_Merchant_Terminal", terminal },
{ "Ds_Merchant_Identifier", merchantIdentifier },
{ "Ds_Merchant_MerchantURL", merchantPost },
{ "Ds_Merchant_UrlOK", urlOk},
{ "Ds_Merchant_UrlKO", urlKo}
}.Select(kvp => "\"{0}\":\"{1}\"".Formato(kvp.Key.ToUpper(), kvp.Value));
var jsonString = "{" + string.Join(",", jsonValues) + "}";
return Convert.ToBase64String(ASCIIEncoding.ASCII.GetBytes(jsonString));
}
如您所见,RedSys提供的加密密钥是base 64字符串,因此不需要为3DES算法计算MD5哈希
然后我们选择SHA256签名:
public static string GetSignature(string base64Parameters, string base64tranEncryptKey)
{
using (var sha = new HMACSHA256(Convert.FromBase64String(base64tranEncryptKey)))
{
var hash = sha.ComputeHash(ASCIIEncoding.ASCII.GetBytes(base64Parameters));
return Convert.ToBase64String(hash);
}
}
祝你好运 Redsys为php和java提供了库 从java库开始,我将ApiMacSha256类翻译成C#
“CreateCommerchantsignature”主方法需要一个嵌入json结构的商人参数base64编码的字符串、商人的密钥和OrderId。这能帮到你吗?:@Ivar我使用了链接中报告的函数,但结果与我的(hashmac)相同。在我的示例中,根据进一步调查,密钥长度为8字节。报告如果键长小于64,则应自动填充。PHP和C在填充操作上有区别吗?谢谢。我解决了将redsys提供的php类“traslating”到C#中的问题,它可以工作。我使用了以下链接[PHP和C#3DES Encryption]中提供的建议(),您的回答是正确的,但请注意散列hmac->hash hmac中的参数bool raw_输出('sha256',“1234”,“1234”,true);如果raw_输出设置为true,则不必使用BitConverter.ToString替换“-”to”和ToLower()。然后c#中的代码变成just:hmacSHA256(“1234”、“1234”)
public static string GetParameters(string merchantCode, string terminal, int currency, string transactionType, decimal amount, string merchantOrder, string merchantIdentifier, string merchantPost, string urlOk, string urlKo)
{
var jsonValues = new Dictionary<string, string>
{
{ "Ds_Merchant_Amount", amount.ToString().Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator, "") },
{ "Ds_Merchant_Order", merchantOrder},
{ "Ds_Merchant_MerchantCode", merchantCode },
{ "Ds_Merchant_Currency", currency.ToString() },
{ "Ds_Merchant_TransactionType", transactionType },
{ "Ds_Merchant_Terminal", terminal },
{ "Ds_Merchant_Identifier", merchantIdentifier },
{ "Ds_Merchant_MerchantURL", merchantPost },
{ "Ds_Merchant_UrlOK", urlOk},
{ "Ds_Merchant_UrlKO", urlKo}
}.Select(kvp => "\"{0}\":\"{1}\"".Formato(kvp.Key.ToUpper(), kvp.Value));
var jsonString = "{" + string.Join(",", jsonValues) + "}";
return Convert.ToBase64String(ASCIIEncoding.ASCII.GetBytes(jsonString));
}
public static string GetTransactionEncryptionKey(string merchantOrder, string encryptKey)
{
using (var tdes = new TripleDESCryptoServiceProvider())
{
tdes.IV = new byte[8] { 0, 0, 0, 0, 0, 0, 0, 0 };
tdes.Key = Convert.FromBase64String(encryptKey);
tdes.Padding = PaddingMode.Zeros;
tdes.Mode = CipherMode.CBC;
var toEncrypt = ASCIIEncoding.ASCII.GetBytes(merchantOrder);
var result = tdes.CreateEncryptor().TransformFinalBlock(toEncrypt, 0, toEncrypt.Length);
return Convert.ToBase64String(result);
}
}
public static string GetSignature(string base64Parameters, string base64tranEncryptKey)
{
using (var sha = new HMACSHA256(Convert.FromBase64String(base64tranEncryptKey)))
{
var hash = sha.ComputeHash(ASCIIEncoding.ASCII.GetBytes(base64Parameters));
return Convert.ToBase64String(hash);
}
}
public class ApiMacSha256 {
//////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////
//////////// FUNCIONES AUXILIARES: ///////////
//////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////
/** 3DES Function */
private byte[] encrypt_3DES(byte[] key, string data) {
//http://www.mywebexperiences.com/2012/12/11/crypting-data-using-3des-c/
//http://stackoverflow.com/a/33479952/2938518
using (var tdes = new TripleDESCryptoServiceProvider()) {
tdes.IV = new byte[8] { 0, 0, 0, 0, 0, 0, 0, 0 };
tdes.Key = key;
tdes.Padding = PaddingMode.Zeros;
tdes.Mode = CipherMode.CBC;
var toEncrypt = Encoding.ASCII.GetBytes(data);
var result = tdes.CreateEncryptor().TransformFinalBlock(toEncrypt, 0, toEncrypt.Length);
return result;
}
}
/** MAC Function */
private byte[] mac256(string dsMerchantParameters, byte[] secretKo) {
//http://stackoverflow.com/a/17315619/2938518
byte[] hash;
using (var hmac = new HMACSHA256(secretKo)) {
hash = hmac.ComputeHash(Encoding.ASCII.GetBytes(dsMerchantParameters));
}
return hash;
}
/** Base64 Functions */
private string encodeB64String(byte[] data) {
return Convert.ToBase64String(data, Base64FormattingOptions.None);
}
//////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////
//////////// FUNCIONES PARA LA GENERACIÓN DEL FORMULARIO DE PAGO: ////////////
//////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////
public String createMerchantSignature(string merchantParamsB64, string claveComercio, string OrderId) {
byte[] clave = Convert.FromBase64String(claveComercio);
byte[] secretKo = encrypt_3DES(clave, OrderId);
// Se hace el MAC con la clave de la operación "Ko" y se codifica en BASE64
byte[] hash = mac256(merchantParamsB64, secretKo);
String res = encodeB64String(hash);
return res;
}
}