我试图从一个字符串计算一个SHA-1哈希,但是当我使用php的sha1函数计算字符串时,我得到的东西比我在C#中尝试时有所不同.我需要C#来计算与PHP相同的字符串(因为php中的字符串是由我无法修改的第三方计算的).如何让C#生成与PHP相同的哈希?谢谢!!!
String = s934kladfklada@a.com
C#代码(生成d32954053ee93985f5c3ca2583145668bb7ade86)
string encode = secretkey + email;
UnicodeEncoding UE = new UnicodeEncoding();
byte[] HashValue, MessageBytes = UE.GetBytes(encode);
SHA1Managed SHhash = new SHA1Managed();
string strHex = "";
HashValue = SHhash.ComputeHash(MessageBytes);
foreach(byte b in HashValue) {
strHex += String.Format("{0:x2}", b);
}
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PHP代码(生成a9410edeaf75222d7b576c1b23ca0a9af0dffa98)
sha1();
Run Code Online (Sandbox Code Playgroud) 我用的是什么:
Java的:
public String sha1(String s) {
try {
// Create MD5 Hash
MessageDigest digest = java.security.MessageDigest.getInstance("SHA-1");
digest.update(s.getBytes());
byte messageDigest[] = digest.digest();
// Create Hex String
StringBuffer hexString = new StringBuffer();
for (int i = 0; i < messageDigest.length; i++)
hexString.append(Integer.toHexString(0xFF & messageDigest[i]));
return hexString.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return "";
}
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结果:
java: System.out.println(sha1("foobar123dsadn23u1wdqqwdyxdasd"));
php: echo sha1('foobar123dsadn23u1wdqqwdyxdasd');
php: d8033103e9aaf67af13a4b45534b2d0f6d8dfded
java: d83313e9aaf67af13a4b45534b2df6d8dfded
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为什么两个哈希不一样?
php ×2
sha1 ×2
c# ×1
cryptographic-hash-function ×1
cryptography ×1
equality ×1
hash ×1
java ×1