ecprint(len(g.blocks), color='yellow', template='Blocks to encrypt: {}')
#Select the symetric block (this step is automatically done in the encryption if the block is not provided)
if args.block is None:
ecprint('Selecting a high entropy block...', color='blue')
args.block = g.selectBlock(tryLimit=10)
while not g.verifySymetricBlock(args.block, args.key):
args.block = g.selectBlock(tryLimit=10)
else:
ecprint('Preselected block for encryption', color='blue')
ecprint([
args.block, '{:.4f}'.format(Giltzarrapo.entropy(g.blocks[args.block]))
],
color='yellow',
template='Selected block: {} (entropy of {})')
#Encrypt the file
ecprint('Encrypting file...', color='blue')
ecprint([args.block, args.key, ''.join(['*' for _ in passwd])],
color='yellow',
template=
'Using : \n\tSymetric block: {}\n\tPublic key: {}\n\tPassword: {}')
g.encrypt(passwd, args.key, selected_block=args.block, fast=args.fast)
#Save the file
ecprint('Saving file...', color='blue')
g.save(args.outfile, authfile=args.auth)
ecprint(args.outfile, color='blue', template='File saved at {}')
if (args.auth is not None):
ecprint(args.auth, color='blue', template='Authfile saved at {}')
e = dt.now()
ecprint(['Lectura de fichero ', str(e - s)],
color=['cyan', 'yellow'],
template='{} : {}')
#encrypt
cprint('Cifrando fichero...', color='cyan', end='\r')
s = dt.now()
g.encrypt(passwd, 'giltza_rsa.pub', fast=False, selected_block=sb)
e = dt.now()
ecprint(['Cifrado de fichero ', str(e - s)],
color=['cyan', 'yellow'],
template='{} : {}')
#save
cprint('Escribiendo fichero...', color='cyan', end='\r')
s = dt.now()
g.save('testfile.enc')
e = dt.now()
ecprint(['Escritura de fichero ', str(e - s)],
color=['cyan', 'yellow'],
template='{} : {}')
#DECRYPT
#g = Giltzarrapo(n_processes = num_process)
g = Giltzarrapo()
#read
cprint('Leyendo fichero...', color='cyan', end='\r')
s = dt.now()
g.readEncrypted('testfile.enc')
e = dt.now()
ecprint(['Lectura de fichero ', str(e - s)],
color=['cyan', 'yellow'],
if args.auth is not None:
ecprint(args.auth, color='yellow', template='Using auth file : {}')
g.readEncrypted(args.infile, authfile=args.auth)
ecprint(len(g.blocks), color='yellow', template='Blocks to decrypt: {}')
#Find the symetric block (this step is automatically done in the decryption if the block is not provided)
if args.block is None:
ecprint('Finding the symetric block...', color='blue')
args.block = g.findBlock(passwd, args.privkey, passphrase)
ecprint(args.block,
color='yellow',
template='Symetric block found: {}')
else:
ecprint(args.block,
color='yellow',
template='Preselected symetric block: {}')
#Decrypt the file
ecprint('Decrypting file...', color='blue')
ecprint(
[args.block, args.privkey, ''.join(['*' for _ in passwd])],
color='yellow',
template=
'Using : \n\tSymetric block: {}\n\tPrivate key: {}\n\tPassword: {}')
g.decrypt(passwd, args.privkey, passphrase, selected_block=args.block)
#Save the file
ecprint('Saving file...', color='blue')
g.save(args.outfile)
ecprint(args.outfile, color='blue', template='File saved at {}')