def cipher_ctx_init(self):
"""
Need init cipher context after EVP_CipherFinal_ex to reuse context
:return: None
"""
iv_ptr = c_char_p(self._nonce.raw)
r = libcrypto.EVP_CipherInit_ex(self._ctx, None, None, None, iv_ptr,
c_int(CIPHER_ENC_UNCHANGED))
if not r:
self.clean()
raise Exception('can not initialize cipher context')
AeadCryptoBase.nonce_increment(self)
def cipher_ctx_init(self):
"""
Need init cipher context after EVP_CipherFinal_ex to reuse context
:return: None
"""
iv_ptr = c_char_p(self._nonce.raw)
r = libcrypto.EVP_CipherInit_ex(
self._ctx,
None,
None,
None, iv_ptr,
c_int(CIPHER_ENC_UNCHANGED)
)
if not r:
self.clean()
raise Exception('can not initialize cipher context')
AeadCryptoBase.nonce_increment(self)
def cipher_ctx_init(self):
"""
Nonce + 1
:return: None
"""
AeadCryptoBase.nonce_increment(self)
def cipher_ctx_init(self):
"""
Nonce + 1
:return: None
"""
AeadCryptoBase.nonce_increment(self)