![]() Sessions in separate tabs within the same instance of SecureCRT. Multiple connections within tabs, including how to open a group of The chapter also explains how to establish In SecureCRT scripting to connect to one or more devices from withinĪ script: Connecting with a preconfigured session, or Connecting inĪn ad hoc fashion. This chapter first introduces two of the most common methods used The second chapter addresses manual and automated methods for launching scripts.įor automated execution, ways to pass arguments that allow changing Python SecureCRTCipher.Major sections are "Starting from scratch with a new script," "Recording a script using the SecureCRT Script Recorder," and "Modifying an existing example script." Chapter 2: Launching Scripts Return 0 if DecryptionRoutine(bUseV2, ConfigPassphrase, argv) else - 1 Return 0 if EncryptionRoutine(bUseV2, ConfigPassphrase, argv) else - 1 Print( 'Error: ConfigPassphrase is not supported if "-v2" is not specified') If bUseV2 = False and len(ConfigPassphrase) != 0: ![]() Print(SecureCRTCrypto().Decrypt(Ciphertext))Įlif argv.lower() = '-p' and i + 1 < argc - 1: Print(SecureCRTCryptoV2(ConfigPassphrase).Decrypt(Ciphertext)) ![]() Print(SecureCRTCrypto().Encrypt(Plaintext))ĭef DecryptionRoutine( UseV2 : bool, ConfigPassphrase : str, Ciphertext : str): Print(SecureCRTCryptoV2(ConfigPassphrase).Encrypt(Plaintext)) Print( ' NOTICE: Ciphertext string must be a hex string.')ĭef EncryptionRoutine( UseV2 : bool, ConfigPassphrase : str, Plaintext : str): Print( ' Plaintext string or ciphertext string.') Print( ' The config passphrase that SecureCRT uses.') Print( ' Encrypt/Decrypt with "Password V2" algorithm.') Print( ' This parameter must be specified.') Print( ' "enc" for encryption, "dec" for decryption.') If SHA256.new(plain_bytes).digest() != plain_bytes_digest: If len(plain_bytes_digest) != SHA256.digest_size: If len(plain_bytes) != plain_bytes_length: Plain_bytes_length = int.from_bytes(padded_plain_bytes, 'little') Padded_plain_bytes = crypt( omhex(Ciphertext)) Return cipher.encrypt(padded_plain_bytes). Os.urandom(AES.block_size - len(plain_bytes) % AES.block_size)Ĭipher = AES.new(self.Key, AES.MODE_CBC, iv = self.IV) Len(plain_bytes).to_bytes( 4, 'little') + \ Raise OverflowError( 'Plaintext is too long.') ![]() hex()ĭecrypt ciphertext and return corresponding plaintext.Ĭiphertext: A hex string that will be decrypted.Ĭiphered_bytes = omhex(Ciphertext) Return cipher1.encrypt(os.urandom( 4) + cipher2.encrypt(padded_plain_bytes) + os.urandom( 4)). Padded_plain_bytes = plain_bytes + os.urandom(Blowfish.block_size - len(plain_bytes) % Blowfish.block_size)Ĭipher1 = Blowfish.new(self.Key1, Blowfish.MODE_CBC, iv = self.IV)Ĭipher2 = Blowfish.new(self.Key2, Blowfish.MODE_CBC, iv = self.IV) Plain_bytes = Plaintext.encode( 'utf-16-le') Plaintext: A string that will be encrypted.
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