MD5 在线加密 & SHA / HMAC 哈希计算器

import hashlib, hmac

# MD5 & SHA256
md5 = hashlib.md5(b"hello").hexdigest()
sha256 = hashlib.sha256(b"hello").hexdigest()

# HMAC-SHA256
sig = hmac.new(b"secret", b"hello", hashlib.sha256).hexdigest()

const crypto = require('crypto');

// SHA256
const hash = crypto.createHash('sha256').update('hello').digest('hex');

// HMAC-SHA256
const hmac = crypto.createHmac('sha256', 'secret').update('hello').digest('hex');

import (
    "crypto/sha256"
    "encoding/hex"
)

h := sha256.Sum256([]byte("hello"))
hashHex := hex.EncodeToString(h[:])

MessageDigest md = MessageDigest.getInstance("SHA-256");
byte[] hash = md.digest("hello".getBytes(StandardCharsets.UTF_8));
// 转换为十六进制字符串
StringBuilder hex = new StringBuilder();
for (byte b : hash) hex.append(String.format("%02x", b));

// MD5
$md5 = md5("hello");

// SHA-256
$sha256 = hash("sha256", "hello");

// HMAC-SHA256
$hmac = hash_hmac("sha256", "hello", "secret");

# 计算字符串 MD5
echo -n "hello" | md5sum

# 计算文件 SHA256 校验和
sha256sum package.tar.gz