def load_key_bio_pubkey(bio, callback=util.passphrase_callback):
# type: (BIO.BIO, Callable) -> PKey
"""
Load an M2Crypto.EVP.PKey from a public key as a M2Crypto.BIO object.
@param bio: M2Crypto.BIO object containing the key in PEM format.
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the key.
@return: M2Crypto.EVP.PKey object.
"""
cptr = m2.pkey_read_pem_pubkey(bio._ptr(), callback)
if cptr is None:
raise EVPError(Err.get_error())
return PKey(cptr, 1)
def load_key_bio_pubkey(bio, callback=util.passphrase_callback):
# type: (BIO.BIO, Callable) -> PKey
"""
Load an M2Crypto.EVP.PKey from a public key as a M2Crypto.BIO object.
@param bio: M2Crypto.BIO object containing the key in PEM format.
@param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the key.
@return: M2Crypto.EVP.PKey object.
"""
cptr = m2.pkey_read_pem_pubkey(bio._ptr(), callback)
if cptr is None:
raise EVPError(Err.get_error())
return PKey(cptr, 1)
def load_key_pubkey(file, callback=util.passphrase_callback):
# type: (AnyStr, Callable) -> PKey
"""
Load an M2Crypto.EVP.PKey from a public key as a file.
:param file: Name of file containing the key in PEM format.
:param callback: A Python callable object that is invoked
to acquire a passphrase with which to protect the
key.
:return: M2Crypto.EVP.PKey object.
"""
with BIO.openfile(file, 'r') as bio:
cptr = m2.pkey_read_pem_pubkey(bio._ptr(), callback)
if cptr is None:
raise EVPError(Err.get_error())
return PKey(cptr, 1)