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Drops 3DES and adds int wc_RsaSetRNG(RsaKey* key, WC_RNG* rng); for RSA blinding

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Moisés Guimarães
2016-09-21 13:03:11 -03:00
parent 08f6d23e84
commit b50914f2c7
3 changed files with 4 additions and 89 deletions
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30
wrapper/python/wolfcrypt/wolfcrypt/ciphers.py
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@@ -178,33 +178,6 @@ class Aes(_Cipher):
return _lib.wc_AesCbcDecrypt(self._dec, destination, source,len(source))
class Des3(_Cipher):
"""
**Triple DES** (3DES) is the common name for the **Triple Data
Encryption Algorithm** (TDEA or Triple DEA) symmetric-key block
cipher, which applies the **Data Encryption Standard** (DES)
cipher algorithm three times to each data block.
"""
block_size = 8
key_size = 24
_native_type = "Des3 *"
def _set_key(self, direction):
if direction == _ENCRYPTION:
return _lib.wc_Des3_SetKey(self._enc,self._key,self._IV,_ENCRYPTION)
else:
return _lib.wc_Des3_SetKey(self._dec,self._key,self._IV,_DECRYPTION)
def _encrypt(self, destination, source):
return _lib.wc_Des3_CbcEncrypt(self._enc,destination,source,len(source))
def _decrypt(self, destination, source):
return _lib.wc_Des3_CbcDecrypt(self._dec,destination,source,len(source))
class _Rsa(object):
RSA_MIN_PAD_SIZE = 11
@@ -215,6 +188,9 @@ class _Rsa(object):
raise WolfCryptError("Invalid key error (%d)" % ret)
self._random = Random()
ret = _lib.wc_RsaSetRNG(self.native_object, self._random.native_object)
if ret < 0:
raise WolfCryptError("Key initialization error (%d)" % ret)
def __del__(self):