note: obsolete version, current version can be found here
*A - Compression: Deflate algorithm. It's used only if the compressed data size is smaller than the uncompressed one. *B - Encryption: Chosen algorithm in EAX mode. Tag size - chosen blockcipher block size or 256bit max. *C - Salt: Chosen blockcipher block size or 256bit max. *D - BASE64: BASE64 encoding without padding. "+" symbol is replaced by ")", "/" by "]". "!" symbol is attached as the last character. Alternative encodings: Base32 (RFC 4648), Numbers Only (0-9). *E - Algorithm Codes:
A new key/nonce pair is generated by scrypt KDF for every single encryption operation. The pair is derived from Skein-1024 hash of a password using a random salt.
note: Characters that are not from ASCII range 32-126 are converted to unicode code point numbers (for example: password "contraseña" equals "contrase241a").
Scrypt Parameters:
N = 2048
r = 8
p = 5
Steganography (F5 - JPEG)
*A - Steganography: F5 algorithm. Pseudorandom generator based on BLAKE2 hash function. *B - Encryption: Exactly the same process and format as above - only the BASE64 encoding is excluded. *C - Steganographic Key: Pseudorandom generator seed.