NTRU

NTRUEncrypt module in Python3

Requirements

pip3 install pycryptodome

Class attribute

• Polynomial

  • _coeff

  • _N

• NTRUKey

  • _P

    parameter set

  • _h

    public key

  • _f

    private key

  • _g

    private key

  • _fp

  • _fq

Functions

• NTRUEncrypt.generate_key(params)

  • return NTRUKey entity , default params are Standard_Security

  • params support

    • NTRUEncrypt.Moderate_Security()

    • NTRUEncrypt.Standard_Security()

    • NTRUEncrypt.Highest_Security()

• NTRUEncrypt.import_key(file)

  • return NTRUKey entity according to file

For NTRUKey

• NTRUKey.encrypt(m)

  • return ciphertext (Type bytes)

  • type of m should be bytes

• NTRUKey.encrypt_to_poly(m)

  • return ciphertext (Type list)

  • type of m should be bytes

• NTRUKey.decrypt(e)

  • return plaintext (Type bytes)

  • type of e should be bytes

• NTRUKey.decrypt_from_poly(e)

  • return plaintext (Type bytes)

  • type of e should be list

• NTRUKey.export_public_key(file)

  • export Parameters and polynomial h to file

• NTRUKey.export_private_key(file)

  • export Parameters , polynomial h , polynomial f and polynomial g to file

Reference

• pyNTRU

• NTRU software implementation for constrained devices

• Almost Inverse Algorithm