chacha20-decrypt-string ( ciphertext key-bytes nonce-bytes counter -- string )
ChaCha20 stream cipher

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chacha20-encrypt-string ( string key-bytes nonce-bytes counter -- ciphertext )

Vocabulary
crypto.chacha20

Inputs

ciphertext	a byte-array
key-bytes	32-byte array
nonce-bytes	12-byte array
counter	starting block counter

Outputs

string

a string

Word description
Decrypts ciphertext bytes using ChaCha20, returning a string.

Examples

USING: byte-arrays crypto.chacha20 ; "Hello" 32 <byte-array> 12 <byte-array> 1 chacha20-encrypt-string 32 <byte-array> 12 <byte-array> 1 chacha20-decrypt-string
! => "Hello"

Definition

USING: strings ;

IN: crypto.chacha20

: chacha20-decrypt-string
    ( ciphertext key-bytes nonce-bytes counter -- string )
    chacha20-crypt-bytes >string ;