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e i d Z e i d Z d S( sΓ M2Crypto wrapper for OpenSSL EVP API.
Copyright (c) 1999-2004 Ng Pheng Siong. All rights reserved.
Portions Copyright (c) 2004-2006 Open Source Applications Foundation.
Author: Heikki Toivonen
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MessageDigestc B sA t Z d Z e i Z d Z d Z d Z d Z e Z
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Message Digest
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ValueErrort selft
md_ctx_newt ctxt digest_init( R R R ( ( t2 /usr/lib64/python2.4/site-packages/M2Crypto/EVP.pyt __init__ s
c C s+ t | d d o | i | i n d S( NR ( R R R t m2_md_ctx_freeR ( R ( ( R t __del__ s c C s t i | i | S( s
Add data to be digested.
@return: -1 for Python error, 1 for success, 0 for OpenSSL failure.
N( R t
digest_updateR R t data( R R ( ( R t update s c C s t i | i S( N( R t digest_finalR R ( R ( ( R t final& s ( t __name__t
__module__t __doc__R t md_ctx_freeR
R R R R t digest( ( ( R R s t HMACc B sG t Z e i Z d d Z d Z d Z d Z d Z e Z
RS( Nt sha1c C sj t t | d } | d j o t d | f n | | _ t i | _ t i | i | | i d S( Ns unknown algorithm( R R R R R R R t hmac_ctx_newR t hmac_initt key( R R R R ( ( R R 1 s
c C s+ t | d d o | i | i n d S( NR ( R R R t m2_hmac_ctx_freeR ( R ( ( R R 9 s c C s t i | i | | i d S( N( R R R R R R ( R R ( ( R t reset= s c C s t i | i | d S( N( R t hmac_updateR R R ( R R ( ( R R @ s c C s t i | i S( N( R t
hmac_finalR R ( R ( ( R R C s ( R R R t
hmac_ctx_freeR R R R R R R ( ( ( R R - s R c C sH t t | d } | d j o t d | f n t i | | | S( Ns unknown algorithm( R R R R R R t hmacR R ( R R R R ( ( R R# H s
t Cipherc B sA t Z e i Z d d d d d Z d Z d Z d Z RS( Ni t md5t 12345678i c C sΤ t t | d }
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| i | | | | | } n t i | _ t i | i | i | | | ~ d S( Ns unknown ciphers unknown message digest( R R t algR t cipherR R t key_as_bytest dt kmdt bytes_to_keyR t saltt ivt it cipher_ctx_newR t cipher_initt op( R R' R R. R2 R) R* R- R/ R+ R( ( ( R R S s
( c C s+ t | d d o | i | i n d S( NR ( R R R t m2_cipher_ctx_freeR ( R ( ( R R a s c C s t i | i | S( N( R t
cipher_updateR R R ( R R ( ( R R e s c C s t i | i S( N( R t cipher_finalR R ( R ( ( R R h s ( R R R t cipher_ctx_freeR3 R R R R ( ( ( R R$ O s
t PKeyc B sψ t Z d Z e i Z e i Z e d d d Z d Z
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Public Key
i R c C sL | d j o | | _ | | _ n t i | _ d | _ | i | d S( Ni ( t pkeyR R t _pyfreeR t pkey_newt _set_contextR ( R R8 R9 R ( ( R R t s
c C sR t | d d o | i | i n t | d d o | i | i n d S( NR9 i R ( R R t m2_pkey_freeR8 R R
R ( R ( ( R R } s c C s | i S( N( R R8 ( R ( ( R t _ptr s c C sQ t t | d } | d j o t d | f n | | _ t i | _ d S( Ns unknown message digest( R R R R t mdaR R R R ( R R R> ( ( R R; s
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Reset internal message digest context.
@type md: string
@param md: The message digest algorithm.
N( R R; R ( R R ( ( R t
reset_context s c C s t i | i | i d S( s9
Initialise signing operation with self.
N( R t sign_initR R R ( R ( ( R R@ s c C s t i | i | d S( su
Feed data to signing operation.
@type data: string
@param data: Data to be signed.
N( R t sign_updateR R R ( R R ( ( R RA s c C s t i | i | i S( s[
Return signature.
@rtype: string
@return: The signature.
N( R t
sign_finalR R R8 ( R ( ( R RB ₯ s c C s t i | i | i d S( sH
Initialise signature verification operation with self.
N( R t verify_initR R R ( R ( ( R RC ² s c C s t i | i | S( sΔ
Feed data to verification operation.
@type data: string
@param data: Data to be verified.
@return: -1 on Python error, 1 for success, 0 for OpenSSL error
N( R t
verify_updateR R R ( R R ( ( R RD Έ s c C s t i | i d | i S( s
Return result of verification.
@rtype: int
@return: Result of verification: 1 for success, 0 for failure.
N( R t verify_finalR R R R8 ( R ( ( R RE Β s i c C sS | o0 t i | i | i } | o
d | _ qO n t i | i | i } | S( sς
Assign the RSA key pair to self.
@type rsa: M2Crypto.RSA.RSA
@param rsa: M2Crypto.RSA.RSA object to be assigned to self.
@type capture: boolean
@param capture: If true (default), this PKey object will own the RSA
object, meaning that once the PKey object gets
deleted it is no longer safe to use the RSA object.
@rtype: int
@return: Return 1 for success and 0 for failure.
i N( t captureR t pkey_assign_rsaR R8 t rsat retR9 t
pkey_set1_rsa( R RH RF RI ( ( R t
assign_rsaΛ s c C sE t i | i } | d j o t d n t i | d } | S( sd
Return the underlying RSA key if that is what the EVP
instance is holding.
s& PKey instance is not holding a RSA keyi N( R t
pkey_get1_rsaR R8 t rsa_ptrR R t RSARH ( R RH RM ( ( R t get_rsaβ s
t aes_128_cbcc C s% t i | d } | i | | | S( s,
Save the key pair to a file in PEM format.
@type file: string
@param file: Name of file to save key to.
@type cipher: string
@param cipher: Symmetric cipher to protect the key. The default
cipher is 'aes_128_cbc'. If cipher is None, then the key is saved
in the clear.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the key.
The default is util.passphrase_callback.
t wbN( t BIOt openfilet filet bioR t save_key_bioR( t callback( R RT R( RW RU ( ( R t save_keyξ s c C s | d j o t i | i | i | SnS t t | d } | d j o t d | n t i | i | i | | Sd S( sN
Save the key pair to the M2Crypto.BIO object 'bio' in PEM format.
@type bio: M2Crypto.BIO
@param bio: M2Crypto.BIO object to save key to.
@type cipher: string
@param cipher: Symmetric cipher to protect the key. The default
cipher is 'aes_128_cbc'. If cipher is None, then the key is saved
in the clear.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the key.
The default is util.passphrase_callback.
s no such cipher %sN(
R( R R t pkey_write_pem_no_cipherR R8 RU R= RW R t protoR t pkey_write_pem( R RU R( RW RZ ( ( R RV s
c C s) t i } | i | | | | i S( sΩ
Return key in PEM format in a string.
@type cipher: string
@param cipher: Symmetric cipher to protect the key. The default
cipher is 'aes_128_cbc'. If cipher is None, then the key is saved
in the clear.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the key.
The default is util.passphrase_callback.
N( RR t MemoryBufferRU R RV R( RW t read_all( R R( RW RU ( ( R t as_pem s
c C s+ t i | i } t i | } | i S( s6
Return key in DER format in a string
N( R t pkey_as_derR R8 t bufRR R\ RU R] ( R RU R` ( ( R t as_der- s c C s t i | i S( s6
Return the size of the key in bytes.
N( R t pkey_sizeR R8 ( R ( ( R t size5 s ( R R R R t pkey_freeR< R R
R R R R= R; R? R@ RA RB R R RC RD RE RK RO t utilt passphrase_callbackRX RV R^ Ra Rc ( ( ( R R7 l s.
c C sx t i | d } | d j o t i n t i | | } t i
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Load an M2Crypto.EVP.PKey from file.
@type file: string
@param file: Name of file containing the key in PEM format.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the key.
@rtype: M2Crypto.EVP.PKey
@return: M2Crypto.EVP.PKey object.
t ri N( R t bio_new_fileRT RU R t Errt get_errort
pkey_read_pemRW t cptrt bio_freeR7 ( RT RW RU Rl ( ( R t load_key< s
c C sB t i | i | } | d j o t i n t | d S( s
Load an M2Crypto.EVP.PKey from an M2Crypto.BIO object.
@type bio: M2Crypto.BIO
@param file: M2Crypto.BIO object containing the key in PEM format.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the key.
@rtype: M2Crypto.EVP.PKey
@return: M2Crypto.EVP.PKey object.
i N(
R Rk RU R= RW Rl R Ri Rj R7 ( RU RW Rl ( ( R t load_key_bioS s
c C s t i | } t | | S( sj
Load an M2Crypto.EVP.PKey from a string.
@type string: string
@param file: String containing the key in PEM format.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the key.
@rtype: M2Crypto.EVP.PKey
@return: M2Crypto.EVP.PKey object.
N( RR R\ t stringRU Ro RW ( Rp RW RU ( ( R t load_key_stringf s
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