def generate_random_bytearray(count):
"""
Generates a random byte array.
:param count:
The number of bytes.
:returns:
A random byte array.
"""
return bytes_to_bytearray(generate_random_bytes(count))
def base64_to_bytearray(encoded):
"""
Converts a base-64 encoded value into a byte array.
:param encoded:
The base-64 encoded value.
:returns:
Byte array.
"""
return bytes_to_bytearray(base64_decode(encoded))
def mpi_to_long(mpi_byte_string):
"""
Converts an OpenSSL-format MPI Bignum byte string into a long.
:param mpi_byte_string:
OpenSSL-format MPI Bignum byte string.
:returns:
Long value.
"""
#Make sure this is a positive number
assert (ord(mpi_byte_string[4]) & 0x80) == 0
byte_array = bytes_to_bytearray(mpi_byte_string[4:])
return bytearray_to_long(byte_array)
def bytes_to_long_original(byte_string):
"""
Convert a byte string to a long integer::
bytes_to_long(byte_string) : long
This is (essentially) the inverse of long_to_bytes().
:param byte_string:
A byte string.
:returns:
Long.
"""
byte_array = bytes_to_bytearray(byte_string)
return bytearray_to_long(byte_array)
