Spring Security AES Encryption Setup/Usage Blog Code

AESBytesEncryptor-2.java

byte[] iv = this.ivGenerator.generateKey();
byte[] encrypted = doFinal(this.encryptor, bytes);
return this.ivGenerator != NULL_IV_GENERATOR ? concatenate(iv, encrypted) : encrypted;

AESBytesEncryptor.java

102:  PBEKeySpec keySpec = new PBEKeySpec(password.toCharArray(), Hex.decode(salt), 1024, 256);  

encryption-usage-output.txt

e3673e05560e1d24f26b4a6ed300a298c17cb9d7be9a52f11d9358421a79c015
98937740c652f6a17febce5013d7d13aed67a8867365e5a89374e658ad74f742
d7f8253bf30e3af957b0b8b2bf62bca693db08cff80ef49c98dcf4485d067446

encryption-usage.java

String password = "password";
String salt = "5c0744940b5c369b"; // from the spring-crypto library tests
TextEncryptor encryptor = Encryptors.text(password, salt);
for (int i=0; i<3; i++) {
    System.out.println(encryptor.encrypt("foo"));
}

HexEncodingTextEncryptor.java

36:  public String encrypt(String text) { return new String(Hex.encode(encryptor.encrypt(Utf8.encode(text)))); }

queryable-encryption-usage-output.txt

a070fa1b40dafa6d7c55ee697c4cb448
a070fa1b40dafa6d7c55ee697c4cb448
a070fa1b40dafa6d7c55ee697c4cb448

queryable-encryption-usage.java

TextEncryptor encryptor = Encryptors.queryableText(password, salt);
for (int i=0; i<3; i++) {
    System.out.println(encryptor.encrypt("foo"));
}

spring-crypto-example-setup.java

import org.springframework.security.crypto.encrypt.Encryptors
import org.springframework.security.crypto.encrypt.TextEncryptor

TextEncryptor encryptor = Encryptors.text(password, salt);
String encryptedText = encryptor.encrypt(plainText);
String decrypted = encryptor.decrypt(encryptedText);