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$ sha1sum /etc/passwd c144c5cc8d5d3b90ad74a1dcf6af9e6c935e2a2a /etc/passwd $ sha1sum about/* 905a26de0f2fd6fcb53bf8db75d76c538d094237 about/index.html d0aeb4409808b6afded0522964bed6b795d30fc0 about/index.tpl $ sha1sum about/* > about.sha1 $ cat about.sha1 905a26de0f2fd6fcb53bf8db75d76c538d094237 about/index.html d0aeb4409808b6afded0522964bed6b795d30fc0 about/index.tpl $ sha1sum -c about.sha1 about/index.html: OK about/index.tpl: OK
string sha1 ( string str [, bool raw_output] )
<?php $str = 'netkiller'; echo sha1($str); ?>
運行輸出字元串:eb673aa189c814d2db9fb71f162da1c81b4eba1c
import java.security.*;
public class shaTest {
private static String dumpBytes(byte[] bytes) {
int i;
StringBuffer sb = new StringBuffer();
for (i = 0; i < bytes.length; i++) {
if (i % 32 == 0 && i != 0) {
sb.append("\n");
}
String s = Integer.toHexString(bytes[i]);
if (s.length() < 2) {
s = "0" + s;
}
if (s.length() > 2) {
s = s.substring(s.length() - 2);
}
sb.append(s);
}
return sb.toString();
}
public static void main(String[] args) {
String passwd = "netkiller";
MessageDigest md = null;
try {
md = MessageDigest.getInstance("SHA");
md.update("chen".getBytes());
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
System.out.println(dumpBytes(md.digest()));
}
}
編譯運行,輸入字元串:8a89798cf0878e37bb6589ae1c36b9d8a036275b
package cn.netkiller.security;
import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class SHA256 {
public SHA256() {
// TODO Auto-generated constructor stub
}
public static void main(String[] args) throws NoSuchAlgorithmException {
// TODO Auto-generated method stub
MessageDigest md = MessageDigest.getInstance("SHA-256");
String text = "Text to hash, cryptographically.";
// Change this to UTF-16 if needed
md.update(text.getBytes(StandardCharsets.UTF_8));
byte[] digest = md.digest();
String hex = String.format("%064x", new BigInteger(1, digest));
System.out.println(hex);
}
}
# Functional style use Digest::SHA1 qw(sha1 sha1_hex sha1_base64); $digest = sha1($data); $digest = sha1_hex($data); $digest = sha1_base64($data); # OO style use Digest::SHA1; $ctx = Digest::SHA1->new; $ctx->add($data); $ctx->addfile(*FILE); $digest = $ctx->digest; $digest = $ctx->hexdigest; $digest = $ctx->b64digest;