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//usr/lib/python2.4/site-packages/M2Crypto/EVP.pyc
mς :PDc @ s· d Z d k l Z l Z l Z l Z d k Z d f d YZ d f d YZ d d Z d f d YZ d f d YZ e i d Z 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 ( s Errs utils BIOs RSANt MessageDigestc B sA t Z d Z e i Z d Z d Z d Z d Z e Z RS( s Message Digest c C sg t t | d } | d j o t d | f n | | _ t i | _ t i | i | i d S( Ns unknown algorithm( t getattrt m2t algot Nonet mdt ValueErrort selft md_ctx_newt ctxt digest_init( R R R ( ( t0 /usr/lib/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 } | d j o t d | f n | | _ | oZ t t | d } | d j o t d | f n t i | 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 d Z d Z d d Z d Z d Z d Z e Z e Z d Z d Z d Z d d Z d Z d e i d Z d e i d Z d e i d Z d Z d Z RS( s 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 c C s | i | d S( s 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 | | d j o t i n t | d S( sj 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 ( R t M2CryptoRi Re RR RN R R R R# R$ R7 Rf Rn Ro Rq ( R RR Ri R7 Rn RN R# Re R$ R Rq R Ro ( ( R t ? s ! Π