Re: [Subversion Wiki] Update of "MasterPassphrase" by CMichaelPilato

[Daniel Shahaf]

Apache subversion Wiki wrote on Thu, Mar 29, 2012 at 14:07:49 -0000:
> + PREFIX_LEN=4
> + 
> + def encrypt(PLAINTEXT, MP):
> +     PREFIX = generate_random(PREFIX_LEN)
> +     PREFIXED_PLAINTEXT_LEN = PREFIX_LEN + len(PLAINTEXT)
> +     if PREFIXED_PLAINTEXT_LEN % 16:
> +         PAD = NUL . generate_random(15 - PREFIXED_PLAINTEXT_LEN)

generate_random(15 - (PREFIXED_PLAINTEXT_LEN % 16))

> +     else:
> +         PAD = ''
> +     SALT = generate_random(8)
> +     IV = generate_random(16)
> +     CIPHERTEXT = aes256cbc_encrypt(PREFIX . PLAINTEXT . PAD, IV, pbkdf2(MP, 
> SALT))
> +     return CIPHERTEXT, IV, SALT # these need to be stored