本文整理匯總了Python中azurelinuxagent.common.utils.cryptutil.CryptUtil.num_to_bytes方法的典型用法代碼示例。如果您正苦於以下問題：Python CryptUtil.num_to_bytes方法的具體用法？Python CryptUtil.num_to_bytes怎麽用？Python CryptUtil.num_to_bytes使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類azurelinuxagent.common.utils.cryptutil.CryptUtil的用法示例。
在下文中一共展示了CryptUtil.num_to_bytes方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: openssl_to_openssh
# 需要導入模塊: from azurelinuxagent.common.utils.cryptutil import CryptUtil [as 別名]
# 或者: from azurelinuxagent.common.utils.cryptutil.CryptUtil import num_to_bytes [as 別名]
def openssl_to_openssh(self, input_file, output_file):
cryptutil = CryptUtil(conf.get_openssl_cmd())
ret, out = shellutil.run_get_output(
conf.get_openssl_cmd() +
" rsa -pubin -noout -text -in '" + input_file + "'")
if ret != 0:
raise OSUtilError('openssl failed with {0}'.format(ret))
modulus = []
exponent = []
buf = None
for line in out.split('\n'):
if line.startswith('Modulus:'):
buf = modulus
buf.append(line)
continue
if line.startswith('Exponent:'):
buf = exponent
buf.append(line)
continue
if buf and line:
buf.append(line.strip().replace(':', ''))
def text_to_num(buf):
if len(buf) == 1:
return int(buf[0].split()[1])
return long(''.join(buf[1:]), 16)
n = text_to_num(modulus)
e = text_to_num(exponent)
keydata = bytearray()
keydata.extend(struct.pack('>I', len('ssh-rsa')))
keydata.extend(b'ssh-rsa')
keydata.extend(struct.pack('>I', len(cryptutil.num_to_bytes(e))))
keydata.extend(cryptutil.num_to_bytes(e))
keydata.extend(struct.pack('>I', len(cryptutil.num_to_bytes(n)) + 1))
keydata.extend(b'\0')
keydata.extend(cryptutil.num_to_bytes(n))
keydata_base64 = base64.b64encode(bytebuffer(keydata))
fileutil.write_file(output_file,
ustr(b'ssh-rsa ' + keydata_base64 + b'\n',
encoding='utf-8'))