Java C# MD5 加密串一致性

2024-10-10 07:38:11

Java C# MD5 加密串一致性

Java

public final static String md5(String s) {
char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'a', 'b', 'c', 'd', 'e', 'f' };
try {
byte[] strTemp = s.getBytes();
MessageDigest mdTemp = MessageDigest.getInstance("MD5");
mdTemp.update(strTemp);
byte[] md = mdTemp.digest();
int j = md.length;
char str[] = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = md[i];
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
return new String(str);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}

C#

//str 需要加密的字符串
public static String MD5(String str)
{
byte[] result = ((HashAlgorithm)CryptoConfig.CreateFromName("MD5")).ComputeHash(Encoding.UTF8.GetBytes(str));
StringBuilder output = new StringBuilder(16);
for (int i = 0; i < result.Length; i++)
{
// convert from hexa-decimal to character
output.Append((result[i]).ToString("x2", System.Globalization.CultureInfo.InvariantCulture));
}
return output.ToString();
}

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