diff options
Diffstat (limited to 'frozen_deps/Cryptodome/Math/_IntegerBase.py')
| -rw-r--r-- | frozen_deps/Cryptodome/Math/_IntegerBase.py | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/frozen_deps/Cryptodome/Math/_IntegerBase.py b/frozen_deps/Cryptodome/Math/_IntegerBase.py index f8cf333..03dd591 100644 --- a/frozen_deps/Cryptodome/Math/_IntegerBase.py +++ b/frozen_deps/Cryptodome/Math/_IntegerBase.py @@ -51,12 +51,12 @@ class IntegerBase(ABC): pass @abc.abstractmethod - def to_bytes(self, block_size=0): + def to_bytes(self, block_size=0, byteorder='big'): pass @staticmethod @abc.abstractmethod - def from_bytes(byte_string): + def from_bytes(byte_string, byteorder='big'): pass # Relations @@ -228,7 +228,7 @@ class IntegerBase(ABC): @abc.abstractmethod def jacobi_symbol(a, n): pass - + @staticmethod def _tonelli_shanks(n, p): """Tonelli-shanks algorithm for computing the square root @@ -390,3 +390,23 @@ class IntegerBase(ABC): ) return norm_candidate + min_inclusive + @staticmethod + @abc.abstractmethod + def _mult_modulo_bytes(term1, term2, modulus): + """Multiply two integers, take the modulo, and encode as big endian. + This specialized method is used for RSA decryption. + + Args: + term1 : integer + The first term of the multiplication, non-negative. + term2 : integer + The second term of the multiplication, non-negative. + modulus: integer + The modulus, a positive odd number. + :Returns: + A byte string, with the result of the modular multiplication + encoded in big endian mode. + It is as long as the modulus would be, with zero padding + on the left if needed. + """ + pass |