java的AES算法转换为PHP问题

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java的AES算法转换为PHP问题15


import java.security.SecureRandom;

import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;

public class AES {
	
	public static String encrypt(String content, String password) throws Exception {  
		KeyGenerator kgen = KeyGenerator.getInstance("AES");  
		SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
		secureRandom.setSeed(password.getBytes());
        kgen.init(128, secureRandom);  
        SecretKey secretKey = kgen.generateKey();  
        byte[] enCodeFormat = secretKey.getEncoded();  
        SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");  
        Cipher cipher = Cipher.getInstance("AES");
        byte[] byteContent = content.getBytes("utf-8");  
        cipher.init(Cipher.ENCRYPT_MODE, key);
        byte[] result = cipher.doFinal(byteContent); 
        StringBuffer sb = new StringBuffer();  
        for (int i = 0; i < result.length; i++) {  
                String hex = Integer.toHexString(result[i] & 0xFF);  
                if (hex.length() == 1) {  
                        hex = '0' + hex;  
                }  
                sb.append(hex.toUpperCase());  
        }  
        return sb.toString();  
	}
	
	public static String decrypt(String content, String password) throws Exception {
		byte[] byteContent = 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);  
                byteContent[i] = (byte) (high * 16 + low);  
        }  
		KeyGenerator kgen = KeyGenerator.getInstance("AES");
		SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
		secureRandom.setSeed(password.getBytes());
		kgen.init(128, secureRandom);
		SecretKey secretKey = kgen.generateKey();
		byte[] enCodeFormat = secretKey.getEncoded();
		SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");
		Cipher cipher = Cipher.getInstance("AES");
		cipher.init(Cipher.DECRYPT_MODE, key);
		byte[] result = cipher.doFinal(byteContent);
		return new String(result);
	}
}

因为公司原有业务需要现在我需要将这段代码转换为PHP，多谢，分包够