if '-e' in sys.argv:
#RSA KEYS
cprint('Generando claves...', color='cyan', end='\r')
s = dt.now()
Giltzarrapo.generateRSApair(passphrase=passph)
e = dt.now()
ecprint(['Generacion de claves ', str(e - s)],
color=['cyan', 'yellow'],
template='{} : {}')
#ENCRYPT
g = Giltzarrapo(n_processes=num_process)
#read
cprint('Leyendo fichero...', color='cyan', end='\r')
s = dt.now()
g.readPlain('testfile.txt')
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()
Giltzarrapo().readPlain(args.infile).encrypt(passwd,
args.key,
selected_block=args.block,
fast=args.fast).save(
args.outfile,
authfile=args.auth)
else:
#Encrypt the file step by step
ecprint('Starting encrypting module...', color='blue')
#Read the file
g = Giltzarrapo()
ecprint([args.infile, os.path.getsize(args.infile)],
color='yellow',
template='Reading file : {} ({} Bytes)')
g.readPlain(args.infile)
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 {})')