50 lines
1.5 KiB
Plaintext
50 lines
1.5 KiB
Plaintext
|
|
#------------------------------------------------------------------------------
|
|
# $File: crypto,v 1.4 2023/07/17 16:41:48 christos Exp $
|
|
# crypto: file(1) magic for crypto formats
|
|
#
|
|
# Bitcoin block files
|
|
0 lelong 0xD9B4BEF9 Bitcoin
|
|
>(4.l+40) lelong 0xD9B4BEF9 reverse block
|
|
>>4 lelong x \b, size %u
|
|
# normal block below
|
|
>0 default x block
|
|
>>4 lelong x \b, size %u
|
|
>>8 lelong&0xE0000000 0x20000000
|
|
>>>8 lelong x \b, BIP9 0x%x
|
|
>>8 lelong&0xE0000000 !0x20000000
|
|
>>>8 lelong x \b, version 0x%x
|
|
>>76 ledate x \b, %s UTC
|
|
# VarInt counter
|
|
>>88 ubyte <0xfd \b, txcount %u
|
|
>>88 ubyte 0xfd
|
|
>>>89 leshort x \b, txcount %u
|
|
>>88 ubyte 0xfe
|
|
>>>89 lelong x \b, txcount %u
|
|
>>88 ubyte 0xff
|
|
>>>89 lequad x \b, txcount %llu
|
|
!:ext dat
|
|
# option to find more blocks in the file
|
|
#>>(4.l+8) indirect x ;
|
|
|
|
# LevelDB
|
|
-8 lequad 0xdb4775248b80fb57 LevelDB table data
|
|
|
|
# http://www.tarsnap.com/scrypt.html
|
|
# see scryptenc_setup() in lib/scryptenc/scryptenc.c
|
|
0 string scrypt\0 scrypt encrypted file
|
|
>7 byte x \b, N=2**%d
|
|
>8 belong x \b, r=%d
|
|
>12 belong x \b, p=%d
|
|
|
|
# https://age-encryption.org/
|
|
# Only the first recipient is printed in detail to prevent repetitive output
|
|
# in extreme cases ("ssh-rsa, ssh-rsa, ssh-rsa, ...").
|
|
0 string age-encryption.org/v1\n age encrypted file
|
|
>25 regex/128 \^[^\040]+ \b, %s recipient
|
|
>>25 string scrypt
|
|
>>>&0 regex/64 [0-9]+\$ (N=2**%s)
|
|
>>&0 search/256 \n->\040 \b, among others
|
|
|
|
0 string -----BEGIN\040AGE\040ENCRYPTED\040FILE----- age encrypted file, ASCII armored
|