def load_openssl():
global loaded, libcrypto, buf
libcrypto = util.find_library(('crypto', 'eay32'),
'EVP_get_cipherbyname',
'libcrypto')
if libcrypto is None:
raise Exception('libcrypto(OpenSSL) not found')
libcrypto.EVP_get_cipherbyname.restype = c_void_p
libcrypto.EVP_CIPHER_CTX_new.restype = c_void_p
libcrypto.EVP_CipherInit_ex.argtypes = (c_void_p, c_void_p, c_char_p,
c_char_p, c_char_p, c_int)
libcrypto.EVP_CipherUpdate.argtypes = (c_void_p, c_void_p, c_void_p,
c_char_p, c_int)
libcrypto.EVP_CIPHER_CTX_cleanup.argtypes = (c_void_p,)
libcrypto.EVP_CIPHER_CTX_free.argtypes = (c_void_p,)
if hasattr(libcrypto, 'OpenSSL_add_all_ciphers'):
libcrypto.OpenSSL_add_all_ciphers()
buf = create_string_buffer(buf_size)
loaded = True
def load_libsodium():
global loaded, libsodium, buf
libsodium = util.find_library('sodium', 'crypto_stream_salsa20_xor_ic',
'libsodium')
if libsodium is None:
raise Exception('libsodium not found')
libsodium.crypto_stream_salsa20_xor_ic.restype = c_int
libsodium.crypto_stream_salsa20_xor_ic.argtypes = (c_void_p, c_char_p,
c_ulonglong,
c_char_p, c_ulonglong,
c_char_p)
libsodium.crypto_stream_chacha20_xor_ic.restype = c_int
libsodium.crypto_stream_chacha20_xor_ic.argtypes = (c_void_p, c_char_p,
c_ulonglong,
c_char_p, c_ulonglong,
c_char_p)
buf = create_string_buffer(buf_size)
loaded = True
def load_openssl():
global loaded, libcrypto, buf
libcrypto = util.find_library(('crypto', 'eay32'), 'EVP_get_cipherbyname',
'libcrypto')
if libcrypto is None:
raise Exception('libcrypto(OpenSSL) not found')
libcrypto.EVP_get_cipherbyname.restype = c_void_p
libcrypto.EVP_CIPHER_CTX_new.restype = c_void_p
libcrypto.EVP_CipherInit_ex.argtypes = (c_void_p, c_void_p, c_char_p,
c_char_p, c_char_p, c_int)
libcrypto.EVP_CipherUpdate.argtypes = (c_void_p, c_void_p, c_void_p,
c_char_p, c_int)
libcrypto.EVP_CIPHER_CTX_cleanup.argtypes = (c_void_p, )
libcrypto.EVP_CIPHER_CTX_free.argtypes = (c_void_p, )
if hasattr(libcrypto, 'OpenSSL_add_all_ciphers'):
libcrypto.OpenSSL_add_all_ciphers()
buf = create_string_buffer(buf_size)
loaded = True