&xj9 UddlmZddlmZddlmZmZddlm Z ddgZ ej Z e ed<ejZe ed<ejZe ed <ejZe ed <ejZe ed <ejZe ed <ejZe ed <ejZe ed<ejZe ed<deeeffdZ dedeeeffdZ!dededededef dZ"dededededef dZ#dededefdZ$dedededefdZ%dedededefdZ&dededededef dZ'dededededef d Z(dedededefd!Z)dedededefd"Z*dededefd#Z+dedededefd$Z,d%S)&)Tuple) exceptions)ffilib)ensurecrypto_box_keypair crypto_boxcrypto_box_SECRETKEYBYTEScrypto_box_PUBLICKEYBYTEScrypto_box_SEEDBYTEScrypto_box_NONCEBYTEScrypto_box_ZEROBYTEScrypto_box_BOXZEROBYTEScrypto_box_BEFORENMBYTEScrypto_box_SEALBYTEScrypto_box_MACBYTESreturnc\tjdt}tjdt}t j||}t |dkdtjtj |tddtj |tddfS)zq Returns a randomly generated public and secret key. :rtype: (bytes(public_key), bytes(secret_key)) unsigned char[]rUnexpected library errorraisingN) rnewr r rrrexc RuntimeErrorbuffer)pkskrcs IC:\Projects\Historical\venv\Lib\site-packages\nacl/bindings/crypto_box.pyrr#s "$= > >B "$= > >B B ' 'B 27.8HIIII 2011!!!4 2011!!!4 seedc tt|tdtt |t krt jdtj dt}tj dt}tj |||}t|dkdt jtj|tddtj|tddfS)a Returns a (public, secret) key pair deterministically generated from an input ``seed``. .. warning:: The seed **must** be high-entropy; therefore, its generator **must** be a cryptographic quality random function like, for example, :func:`~nacl.utils.random`. .. warning:: The seed **must** be protected and remain secret. Anyone who knows the seed is really in possession of the corresponding PrivateKey. :param seed: bytes :rtype: (bytes(public_key), bytes(secret_key)) zseed must be bytesrz Invalid seedrrrN)r isinstancebytes TypeErrorlenr r ValueErrorrrr r rcrypto_box_seed_keypairrr)r"rrrs r r)r)5s" :dE " "$8)LLLL 4yy(((n^,,, "$= > >B "$= > >B $RT 2 2B 27.8HIIII 2011!!!4 2011!!!4 r!messagenoncerrcRt|tkrtjdt|tkrtjdt|t krtjddt z|z}tjdt|}tj ||t||||}t|dkdtj tj |t|td S) Encrypts and returns a message ``message`` using the secret key ``sk``, public key ``pk``, and the nonce ``nonce``. :param message: bytes :param nonce: bytes :param pk: bytes :param sk: bytes :rtype: bytes Invalid nonce sizeInvalid public keyInvalid secret keyrrrrN)r'r rr(r r rrrrr rrrr)r*r+rrpadded ciphertextrs r r r Ws 5zz***n1222 2ww+++n1222 2ww+++n1222,, 7F*CKK88J  FCKKB G GB 27.8HIIII :j#f++ . ./F/G/G HHr!r3cRt|tkrtjdt|tkrtjdt|t krtjddt z|z}tjdt|}tj ||t||||}t|dkdtj tj |t|td S)  Decrypts and returns an encrypted message ``ciphertext``, using the secret key ``sk``, public key ``pk``, and the nonce ``nonce``. :param ciphertext: bytes :param nonce: bytes :param pk: bytes :param sk: bytes :rtype: bytes r.r/r0r1rr/An error occurred trying to decrypt the messagerN)r'r rr(r r rrrrcrypto_box_openr CryptoErrorrr)r3r+rrr2 plaintextress r r7r7ts 5zz***n1222 2ww+++n1222 2ww+++n1222//: =F)3v;;77I iVeR L LC  q9 :iV - -.B.C.C DDr!ct|tkrtjdt|tkrtjdt jdt}tj |||}t|dkdtj t j |tddS)a Computes and returns the shared key for the public key ``pk`` and the secret key ``sk``. This can be used to speed up operations where the same set of keys is going to be used multiple times. :param pk: bytes :param sk: bytes :rtype: bytes r/r0rrrrN) r'r rr(r rrrrcrypto_box_beforenmrrr)rrkrs r r<r<s 2ww+++n1222 2ww+++n1222 !#;<rjs""""""!!!!!!!!""""""  ."?!>!@!@3@@@!>!>!@!@3@@@4C466c6666S688s8884C466c666:s:<<<<< < < > >#>>>4C466c66623244S444E%,/$%E%,,?DIIeIIEIeIIII: E E# E). E49 E  E E E EF6E6u666660IIeII%IIII2EE#E(-E EEEE>, , ,&+,16, ,,,,B++++#++).++49++ ++++++++\,U,5,U,u,,,,6)+)+#)+(-)+ )+)+)+)+X#,U#,#,%#,#,#,#,L8+U8+8+58+U8+8+8+8+8+8+r!