Exemple #1
0
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
Exemple #2
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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
Exemple #3
0
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