Cyclic0007/wolfssl
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
Moisés Guimarães
2016-09-21 13:03:11 -03:00
parent 08f6d23e84
commit b50914f2c7
3 changed files with 4 additions and 89 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
wrapper/python/wolfcrypt/wolfcrypt/build_ffi.py
View File

@@ -94,13 +94,6 @@ ffi.cdef(
int wc_AesCbcDecrypt(Aes*, byte*, const byte*, word32);
typedef struct { ...; } Des3;
int wc_Des3_SetKey(Des3*, const byte*, const byte*, int);
int wc_Des3_CbcEncrypt(Des3*, byte*, const byte*, word32);
int wc_Des3_CbcDecrypt(Des3*, byte*, const byte*, word32);
typedef struct { ...; } WC_RNG;
int wc_InitRng(WC_RNG*);
@@ -112,6 +105,7 @@ ffi.cdef(
typedef struct {...; } RsaKey;
int wc_InitRsaKey(RsaKey* key, void*);
int wc_RsaSetRNG(RsaKey* key, WC_RNG* rng);
int wc_FreeRsaKey(RsaKey* key);
int wc_RsaPrivateKeyDecode(const byte*, word32*, RsaKey*, word32);

30
wrapper/python/wolfcrypt/wolfcrypt/ciphers.py
View File

@@ -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):