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Returns a randomly generated public key and secret key.
:rtype: (bytes(public_key), bytes(secret_key))
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R t newt crypto_sign_PUBLICKEYBYTESt crypto_sign_SECRETKEYBYTESR t crypto_sign_keypairR t exct RuntimeErrort buffer( t pkt skt rc( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR ! s
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Computes and returns the public key and secret key using the seed ``seed``.
:param seed: bytes
:rtype: (bytes(public_key), bytes(secret_key))
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t lent crypto_sign_SEEDBYTESR t
ValueErrorR R R R
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Signs the message ``message`` using the secret key ``sk`` and returns the
signed message.
:param message: bytes
:param sk: bytes
:rtype: bytes
s unsigned char[]s unsigned long long *i s Unexpected library errorR (
R R R t crypto_sign_BYTESR t crypto_signR R R
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signed_lenR ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR M s !
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Verifies the signature of the signed message ``signed`` using the public
key ``pk`` and returns the unsigned message.
:param signed: bytes
:param pk: bytes
:rtype: bytes
s unsigned char[]s unsigned long long *i s Signature was forged or corrupt( R R R R t crypto_sign_openR t BadSignatureErrorR ( R R R t message_len( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR a s !c C` s{ t | � t k r$ t j d � � n t } t j d | � } t j | | � } t | d k d d t j
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Converts a public Ed25519 key (encoded as bytes ``public_key_bytes``) to
a public Curve25519 key as bytes.
Raises a ValueError if ``public_key_bytes`` is not of length
``crypto_sign_PUBLICKEYBYTES``
:param public_key_bytes: bytes
:rtype: bytes
s Invalid curve public keys unsigned char[]i s Unexpected library errorR ( R R R R t crypto_sign_curve25519_BYTESR R R t$ crypto_sign_ed25519_pk_to_curve25519R R
R ( t public_key_bytest curve_public_key_lent curve_public_keyR ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR t s
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Converts a secret Ed25519 key (encoded as bytes ``secret_key_bytes``) to
a secret Curve25519 key as bytes.
Raises a ValueError if ``secret_key_bytes``is not of length
``crypto_sign_SECRETKEYBYTES``
:param public_key_bytes: bytes
:rtype: bytes
s Invalid curve public keys unsigned char[]i s Unexpected library errorR ( R R
R R R R R R t$ crypto_sign_ed25519_sk_to_curve25519R R
R ( t secret_key_bytest curve_secret_key_lent curve_secret_keyR ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR$ � s
t crypto_sign_ed25519ph_statec B` s e Z d Z d g Z d � Z RS( sO
State object wrapping the sha-512 state used in ed25519ph computation
t statec C` sG t j d t � | _ t j | j � } t | d k d d t j �d S( Ns unsigned char[]i s Unexpected library errorR ( R R t crypto_sign_ed25519ph_STATEBYTESR) R t crypto_sign_ed25519ph_initR R R
( t selfR ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyt __init__� s ( t __name__t
__module__t __doc__t __slots__R- ( ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR( � s c C` s| t t | t � d d t j �t t | t � d d t j �t j | j | t | � � } t | d k d d t j
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Update the hash state wrapped in edph
:param edph: the ed25519ph state being updated
:type edph: crypto_sign_ed25519ph_state
:param pmsg: the partial message
:type pmsg: bytes
:rtype: None
s/ edph parameter must be a ed25519ph_state objectR s% pmsg parameter must be a bytes objecti s Unexpected library errorN( R t
isinstanceR( R t TypeErrort bytesR t crypto_sign_ed25519ph_updateR) R R
( t edpht pmsgR ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR5 � s
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Create a signature for the data hashed in edph
using the secret key sk
:param edph: the ed25519ph state for the data
being signed
:type edph: crypto_sign_ed25519ph_state
:param sk: the ed25519 secret part of the signing key
:type sk: bytes
:return: ed25519ph signature
:rtype: bytes
s/ edph parameter must be a ed25519ph_state objectR s+ secret key parameter must be a bytes objects! secret key must be {0} bytes longs unsigned char[]i s Unexpected library error( R R2 R( R R3 R4 R R
t formatR R R R t" crypto_sign_ed25519ph_final_createR) t NULLR
R ( R6 R t signatureR ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR9 � s&
c C` s� t t | t � d d t j �t t | t � d d t j �t t | � t k d j t � d t j �t t | t � d d t j �t t | � t k d j t � d t j �t
j | j | | � } | d k r� t j
d � � n t S( s�
Verify a prehashed signature using the public key pk
:param edph: the ed25519ph state for the data
being verified
:type edph: crypto_sign_ed25519ph_state
:param signature: the signature being verified
:type signature: bytes
:param pk: the ed25519 public part of the signing key
:type pk: bytes
:return: True if the signature is valid
:rtype: boolean
:raises exc.BadSignatureError: if the signature is not valid
s/ edph parameter must be a ed25519ph_state objectR s* signature parameter must be a bytes objects signature must be {0} bytes longs+ public key parameter must be a bytes objects! public key must be {0} bytes longi s Signature was forged or corrupt( R R2 R( R R3 R4 R R R8 R R t" crypto_sign_ed25519ph_final_verifyR) R t True( R6 R; R R ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyR< � s.
N(" t
__future__R R R t naclR R t nacl._sodiumR R t nacl.exceptionsR t crypto_sign_bytesR t crypto_sign_secretkeybytesR t crypto_sign_publickeybytesR R
t crypto_box_secretkeybytesR t crypto_sign_ed25519ph_statebytesR* R R R R R R$ t objectR( R5 R9 R< ( ( ( s; /tmp/pip-install-A1qMVe/pynacl/nacl/bindings/crypto_sign.pyt <module> s& $