Created
January 22, 2019 19:40
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| import sys | |
| import plyvel | |
| import re | |
| import hashlib | |
| from Crypto.Cipher import AES | |
| if len(sys.argv) != 4: | |
| print "Invalid arguments. Usage is:" | |
| print "python decrypt.py originalPath targetPath decryptKey" | |
| exit() | |
| print "Original Database Path", sys.argv[1] | |
| print "Target Database Path", sys.argv[2] | |
| print "Decryption Key", sys.argv[3] | |
| raw_input("Press Enter to continue, Ctrl+D to exit") | |
| origDb = sys.argv[1] | |
| targDb = sys.argv[2] | |
| decKey = hashlib.sha256(sys.argv[3]).digest() | |
| db = plyvel.DB(origDb) | |
| newdb = plyvel.DB(targDb, create_if_missing=True) | |
| decryption = AES.new(decKey, AES.MODE_CBC, 'This is the salt') | |
| def unpad(m): | |
| return m[0:-ord(m[-1])] | |
| def decryptContent(value): | |
| match = re.search(r'(.*)"content":"(.*)","children":(.*)', value) | |
| if match: | |
| data = match.group(2) | |
| return match.group(1)+'"content":"'+unpad(decryption.decrypt(data))+'","children":'+match.group(3) | |
| else: | |
| return value | |
| writeBatch = newdb.write_batch() | |
| for key, value in db: | |
| writeBatch.put(key, decryptContent(value)) | |
| writeBatch.write() |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import sys | |
| import plyvel | |
| import re | |
| import hashlib | |
| from Crypto.Cipher import AES | |
| if len(sys.argv) != 4: | |
| print "Invalid arguments. Usage is:" | |
| print "python encrypt.py originalPath targetPath encryptKey" | |
| exit() | |
| print "Original Database Path", sys.argv[1] | |
| print "Target Database Path", sys.argv[2] | |
| print "Encryption Key", sys.argv[3] | |
| raw_input("Press Enter to continue, Ctrl+D to exit") | |
| origDb = sys.argv[1] | |
| targDb = sys.argv[2] | |
| encKey = hashlib.sha256(sys.argv[3]).digest() | |
| db = plyvel.DB(origDb) | |
| newdb = plyvel.DB(targDb, create_if_missing=True) | |
| encryption = AES.new(encKey, AES.MODE_CBC, 'This is the salt') | |
| def pad(m): | |
| return m+chr(16-len(m)%16)*(16-len(m)%16) | |
| def encryptContent(value): | |
| match = re.search(r'(.*)"content":"(.*)","children":(.*)', value) | |
| if match: | |
| data = pad(match.group(2)) | |
| return match.group(1)+'"content":"'+encryption.encrypt(data)+'","children":'+match.group(3) | |
| else: | |
| return value | |
| writeBatch = newdb.write_batch() | |
| for key, value in db: | |
| writeBatch.put(key, encryptContent(value)) | |
| writeBatch.write() |
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