diff options
Diffstat (limited to 'module/lib/beaker/crypto/jcecrypto.py')
| -rw-r--r-- | module/lib/beaker/crypto/jcecrypto.py | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/module/lib/beaker/crypto/jcecrypto.py b/module/lib/beaker/crypto/jcecrypto.py deleted file mode 100644 index 4062d513e..000000000 --- a/module/lib/beaker/crypto/jcecrypto.py +++ /dev/null @@ -1,30 +0,0 @@ -""" -Encryption module that uses the Java Cryptography Extensions (JCE). - -Note that in default installations of the Java Runtime Environment, the -maximum key length is limited to 128 bits due to US export -restrictions. This makes the generated keys incompatible with the ones -generated by pycryptopp, which has no such restrictions. To fix this, -download the "Unlimited Strength Jurisdiction Policy Files" from Sun, -which will allow encryption using 256 bit AES keys. -""" -from javax.crypto import Cipher -from javax.crypto.spec import SecretKeySpec, IvParameterSpec - -import jarray - -# Initialization vector filled with zeros -_iv = IvParameterSpec(jarray.zeros(16, 'b')) - -def aesEncrypt(data, key): - cipher = Cipher.getInstance('AES/CTR/NoPadding') - skeySpec = SecretKeySpec(key, 'AES') - cipher.init(Cipher.ENCRYPT_MODE, skeySpec, _iv) - return cipher.doFinal(data).tostring() - -# magic. -aesDecrypt = aesEncrypt - -def getKeyLength(): - maxlen = Cipher.getMaxAllowedKeyLength('AES/CTR/NoPadding') - return min(maxlen, 256) / 8 |