原文参考：https://blog.csdn.net/max229max/article/details/87639613
这里主要是记录自己的实践记录：
java版本的加密方式处理
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.KeyGenerator;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
public static void main(String[] args) {
// 加密
String content = "3424234232";
String KEY= "xxxxxxxxxxxxxxxxx";
String PWDKEY = encrypt(content, KEY);
System.out.println("加密后：" + PWDKEY);
// 解密
String decryptResult = decrypt(PWDKEY, KEY);
System.out.println("解密后：" + decryptResult);
}
/**
* 加密
*
* @param content
* 待加密内容
* @param key
* 加密的密钥
* @return
*/
public static String encrypt(String content, String key) {
try {
SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
random.setSeed(key.getBytes());
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128, random);
SecretKey secretKey = kgen.generateKey();
byte[] enCodeFormat = secretKey.getEncoded();
SecretKeySpec secretKeySpec = new SecretKeySpec(enCodeFormat, "AES");
Cipher cipher = Cipher.getInstance("AES");
byte[] byteContent = content.getBytes("utf-8");
cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec);
byte[] byteRresult = cipher.doFinal(byteContent);
StringBuffer sb = new StringBuffer();
for (int i = 0; i < byteRresult.length; i++) {
String hex = Integer.toHexString(byteRresult[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
sb.append(hex.toUpperCase());
}
return sb.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
}
return null;
}
/**
* 解密
*
* @param content
* 待解密内容
* @param key
* 解密的密钥
* @return
*/
public static String decrypt(String content, String key) {
if (content.length() < 1)
return null;
byte[] byteRresult = new byte[content.length() / 2];
for (int i = 0; i < content.length() / 2; i++) {
int high = Integer.parseInt(content.substring(i * 2, i * 2 + 1), 16);
int low = Integer.parseInt(content.substring(i * 2 + 1, i * 2 + 2), 16);
byteRresult[i] = (byte) (high * 16 + low);
}
try {
SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
random.setSeed(key.getBytes());
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128, random);
SecretKey secretKey = kgen.generateKey();
byte[] enCodeFormat = secretKey.getEncoded();
SecretKeySpec secretKeySpec = new SecretKeySpec(enCodeFormat, "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.DECRYPT_MODE, secretKeySpec);
byte[] result = cipher.doFinal(byteRresult);
return new String(result);
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
}
return null;
}
python 3的处理：
from base64 import b64encode, encodebytes
from Crypto.Cipher import AES
import binascii
import hashlib
BS = AES.block_size
def padding_pkcs5(value):
return str.encode(value + (BS - len(value) % BS) * chr(BS - len(value) % BS))
def padding_zero(value):
while len(value) % 16 != 0:
value += '\0'
return str.encode(value)
def aes_ecb_encrypt(key, value):
''' AES/ECB/NoPadding encrypt '''
key = bytes.fromhex(key)
cryptor = AES.new(key, AES.MODE_ECB)
ciphertext = cryptor.encrypt(bytes.fromhex(value))
return ''.join(['%02x' % i for i in ciphertext]).upper()
def aes_ecb_encrypt_padding_pkcs5(key, value):
# AES/ECB/PKCS5padding
# key is sha1prng encrypted before
cryptor = AES.new(bytes.fromhex(key), AES.MODE_ECB)
padding_value = padding_pkcs5(value) # padding content with pkcs5
ciphertext = cryptor.encrypt(padding_value)
# 填充
return ''.join(['%02x' % i for i in ciphertext]).upper()
# def aes_ecb_decrypt(key: str, value: str) -> str:
# ''' AES/ECB/NoPadding decrypt '''
#
# cryptor = AES.new(bytes.fromhex(key), AES.MODE_ECB)
# ciphertext = cryptor.decrypt(bytes.fromhex(value))
# return ''.join(['%02x' % i for i in ciphertext]).upper()
import base64
def aes_ecb_decrypt(key:str, value:str) -> str:
''' AES/ECB/NoPadding decrypt '''
key = bytes.fromhex(key)
cryptor = AES.new(key, AES.MODE_ECB)
# base64_decrypted = base64.decodebytes(value.encode(encoding='utf-8'))
ciphertext = cryptor.decrypt(bytes.fromhex(value))
# 去除填充
# return ''.join(['%02x' % i for i in ciphertext]).upper()
return str(ciphertext, "utf-8").strip()
def get_userkey(key, value):
''' AES/ECB/PKCS5Padding encrypt '''
cryptor = AES.new(bytes.fromhex(key), AES.MODE_ECB)
padding_value = padding_pkcs5(value)
ciphertext = cryptor.encrypt(padding_value)
# 填充
return ''.join(['%02x' % i for i in ciphertext]).upper()
def get_sha1prng_key(key):
'''[summary]
encrypt key with SHA1PRNG
same as java AES crypto key generator SHA1PRNG
Arguments:
key {[string]} -- [key]
Returns:
[string] -- [hexstring]
'''
signature = hashlib.sha1(key.encode()).digest()
signature = hashlib.sha1(signature).digest()
return ''.join(['%02x' % i for i in signature]).upper()[:32]
hexstr_content = '304578' # content
key = 'ee3ebdc693c119fa' # keypassword
# expect_result = 'c1ee1f3f2d74e02706be9af78aa79ba4'.upper()
aes128string = aes_ecb_encrypt_padding_pkcs5(get_sha1prng_key(key), hexstr_content)
print(aes128string)
# 解密
aes128string = aes_ecb_decrypt(get_sha1prng_key(key), aes128string)
print(aes128string)
# aes128string = get_userkey(get_sha1prng_key(key), aes128string)
# print('aes128stringaes128stringaes128string:',aes128string)
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