File: //proc/self/root/usr/lib/python2.4/site-packages/M2Crypto/RSA.pyo
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Copyright (c) 1999-2004 Ng Pheng Siong. All rights reserved.Nt RSAErrorc B s t Z RS( N( t __name__t
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RSA Key Pair.
i c C s | | _ | | _ d S( N( t rsat selft _pyfree( R R R ( ( R t __init__ s c C s+ t | d d ƒ o | i | i ƒ n d S( NR i ( t getattrR t m2_rsa_freeR ( R ( ( R t __del__ s c C s t i | i ƒ d >S( Ni ( t m2t rsa_sizeR R ( R ( ( R t __len__" s c C sL | d j o t i | i ƒ Sn( | d j o t i | i ƒ Sn t ‚ d S( Nt et n( t nameR t rsa_get_eR R t rsa_get_nt AttributeError( R R ( ( R t __getattr__% s
c C s" t i | i ƒ t i | i ƒ f S( N( R R R R R ( R ( ( R t pub- s c C s t i | i | | ƒ S( N( R t rsa_public_encryptR R t datat padding( R R R ( ( R t public_encrypt1 s c C s t i | i | | ƒ S( N( R t rsa_public_decryptR R R R ( R R R ( ( R t public_decrypt5 s c C s t i | i | | ƒ S( N( R t rsa_private_encryptR R R R ( R R R ( ( R t private_encrypt9 s c C s t i | i | | ƒ S( N( R t rsa_private_decryptR R R R ( R R R ( ( R t private_decrypt= s t aes_128_cbcc C s‰ | d j o t i | i | i ƒ | ƒ SnY t t | d ƒ } | d j o t d | ‚ n
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Save the key pair to an M2Crypto.BIO.BIO object in PEM format.
@type bio: M2Crypto.BIO.BIO
@param bio: M2Crypto.BIO.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.
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t ciphert NoneR t rsa_write_key_no_cipherR R t biot _ptrt callbackR t ciphR t
rsa_write_key( R R% R" R' R( ( ( R t save_key_bioA s
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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 fileR% R R* R" R' ( R R. R" R' R% ( ( R t save_key\ s c C s) t i ƒ } | i | | | ƒ | i ƒ S( sB
Returns the key(pair) as a string in PEM format.
N( R, t MemoryBufferR% R R* R" R' t read( R R" R' R% ( ( R t as_pemr s c C s t i | i | i ƒ ƒ S( s±
Save the key pair to an M2Crypto.BIO.BIO object in DER format.
@type bio: M2Crypto.BIO.BIO
@param bio: M2Crypto.BIO.BIO object to save key to.
N( R t rsa_write_key_derR R R% R& ( R R% ( ( R t save_key_der_bioz s c C s t i | d ƒ } | i | ƒ S( s
Save the key pair to a file in DER format.
@type bio: M2Crypto.BIO.BIO
@param bio: M2Crypto.BIO.BIO object to save key to.
R+ N( R, R- R. R% R R4 ( R R. R% ( ( R t save_key_derƒ s c C s t i | i | i ƒ ƒ S( s³
Save the public key to an M2Crypto.BIO.BIO object in PEM format.
@type bio: M2Crypto.BIO.BIO
@param bio: M2Crypto.BIO.BIO object to save key to.
N( R t rsa_write_pub_keyR R R% R& ( R R% ( ( R t save_pub_key_bio s c C s+ t i | d ƒ } t i | i | i ƒ ƒ S( sŒ
Save the public key to a file in PEM format.
@type file: string
@param file: Name of file to save key to.
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rsa_check_keyR R ( R ( ( R t check_key s t sha1c C sL t t d | d ƒ } | d j o t d | f ‚ n t i | i | | ƒ S( ss
Signs a digest with the private key
@type digest: str
@param digest: A digest created by using the digest method
@type algo: str
@param algo: The method that created the digest.
Legal values are 'sha1','sha224', 'sha256', 'ripemd160',
and 'md5'.
@return a string which is the signature
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ValueErrort rsa_signR R t digest( R RA R= R> ( ( R t sign£ s
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Verifies the signature with the public key
@type data: str
@param data: Data that has been signed
@type signature: str
@param signature: The signature signed with the private key
@type algo: str
@param algo: The method use to create digest from the data
before it was signed. Legal values are 'sha1','sha224',
'sha256', 'ripemd160', and 'md5'.
@returns True or False, depending on whether the signature was
verified.
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rsa_verifyR R R t signature( R R RD R= R> ( ( R t verify· s
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t RSA_pubc B sD t Z d Z d „ Z d „ Z d „ Z e i Z e i Z
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Object interface to an RSA public key.
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err_get_error( ( ( R t rsa_errorï s c C s1 d d d d g } | i | | ƒ | i ƒ d S( s)
Default callback for gen_key().
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Generate an RSA key pair.
@type bits: int
@param bits: Key length, in bits.
@type e: int
@param e: The RSA public exponent.
@type callback: Python callable
@param callback: A Python callable object that is invoked
during key generation; its usual purpose is to provide visual
feedback. The default callback is keygen_callback.
@rtype: M2Crypto.RSA.RSA
@return: M2Crypto.RSA.RSA object.
i N( R R t rsa_generate_keyt bitsR R' ( R^ R R' ( ( R t gen_keyü s c C s t i | ƒ } t | | ƒ S( s–
Load an RSA key pair from file.
@type file: string
@param file: Name of file containing RSA public key in PEM format.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to unlock the key.
The default is util.passphrase_callback.
@rtype: M2Crypto.RSA.RSA
@return: M2Crypto.RSA.RSA object.
N( R, R- R. R% t load_key_bioR' ( R. R' R% ( ( R t load_key s c C s= t i | i ƒ | ƒ } | d j o t ƒ n t | d ƒ S( sÁ
Load an RSA key pair from an M2Crypto.BIO.BIO object.
@type bio: M2Crypto.BIO.BIO
@param bio: M2Crypto.BIO.BIO object containing RSA key pair in PEM
format.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to unlock the key.
The default is util.passphrase_callback.
@rtype: M2Crypto.RSA.RSA
@return: M2Crypto.RSA.RSA object.
i N( R t rsa_read_keyR% R& R' R R# RS R ( R% R' R ( ( R R` $ s
c C s t i | ƒ } t | | ƒ S( s–
Load an RSA key pair from a string.
@type string: string
@param string: String containing RSA key pair in PEM format.
@type callback: Python callable
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to unlock the key.
The default is util.passphrase_callback.
@rtype: M2Crypto.RSA.RSA
@return: M2Crypto.RSA.RSA object.
N( R, R0 t stringR% R` R' ( Rc R' R% ( ( R t load_key_string: s c C s t i | ƒ } t | ƒ S( sÖ
Load an RSA public key from file.
@type file: string
@param file: Name of file containing RSA public key in PEM format.
@rtype: M2Crypto.RSA.RSA_pub
@return: M2Crypto.RSA.RSA_pub object.
N( R, R- R. R% t load_pub_key_bio( R. R% ( ( R t load_pub_keyM s c C s: t i | i ƒ ƒ } | d j o t ƒ n t | d ƒ S( s
Load an RSA public key from an M2Crypto.BIO.BIO object.
@type bio: M2Crypto.BIO.BIO
@param bio: M2Crypto.BIO.BIO object containing RSA public key in PEM
format.
@rtype: M2Crypto.RSA.RSA_pub
@return: M2Crypto.RSA.RSA_pub object.
i N( R t rsa_read_pub_keyR% R& R R# RS RK ( R% R ( ( R Re [ s
c C sE | \ } } t i ƒ } t i | | ƒ t i | | ƒ t | d ƒ S( sÿ
Instantiate an RSA_pub object from an (e, n) tuple.
@type e: string
@param e: The RSA public exponent; it is a string in OpenSSL's MPINT
format - 4-byte big-endian bit-count followed by the appropriate
number of bits.
@type n: string
@param n: The RSA composite of primes; it is a string in OpenSSL's MPINT
format - 4-byte big-endian bit-count followed by the appropriate
number of bits.
@rtype: M2Crypto.RSA.RSA_pub
@return: M2Crypto.RSA.RSA_pub object.
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