diff options
Diffstat (limited to 'magic/Magdir/crypto')
| -rw-r--r-- | magic/Magdir/crypto | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/magic/Magdir/crypto b/magic/Magdir/crypto new file mode 100644 index 0000000..910df8d --- /dev/null +++ b/magic/Magdir/crypto @@ -0,0 +1,49 @@ + +#------------------------------------------------------------------------------ +# $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 |