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import java.security.MessageDigest | |
import java.util | |
import javax.crypto.Cipher | |
import javax.crypto.spec.SecretKeySpec | |
import org.apache.commons.codec.binary.Base64 | |
/** | |
* Sample: | |
* {{{ | |
* scala> val key = "My very own, very private key here!" | |
* | |
* scala> Encryption.encrypt(key, "pula, pizda, coaiele!") | |
* res0: String = 9R2vVgkqEioSHyhvx5P05wpTiyha1MCI97gcq52GCn4= | |
* | |
* scala> Encryption.decrypt(key", res0) | |
* res1: String = pula, pizda, coaiele! | |
* }}} | |
*/ | |
object Encryption { | |
def encrypt(key: String, value: String): String = { | |
val cipher: Cipher = Cipher.getInstance("AES/ECB/PKCS5Padding") | |
cipher.init(Cipher.ENCRYPT_MODE, keyToSpec(key)) | |
Base64.encodeBase64String(cipher.doFinal(value.getBytes("UTF-8"))) | |
} | |
def decrypt(key: String, encryptedValue: String): String = { | |
val cipher: Cipher = Cipher.getInstance("AES/ECB/PKCS5PADDING") | |
cipher.init(Cipher.DECRYPT_MODE, keyToSpec(key)) | |
new String(cipher.doFinal(Base64.decodeBase64(encryptedValue))) | |
} | |
def keyToSpec(key: String): SecretKeySpec = { | |
var keyBytes: Array[Byte] = (SALT + key).getBytes("UTF-8") | |
val sha: MessageDigest = MessageDigest.getInstance("SHA-1") | |
keyBytes = sha.digest(keyBytes) | |
keyBytes = util.Arrays.copyOf(keyBytes, 16) | |
new SecretKeySpec(keyBytes, "AES") | |
} | |
private val SALT: String = | |
"jMhKlOuJnM34G6NHkqo9V010GhLAqOpF0BePojHgh1HgNg8^72k" | |
} |
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@alexandru is there a license you release this under?