2023-08-06 16:12:15 +00:00
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#------------------------------------------------------------------------------
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2023-08-08 11:16:24 +00:00
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# $File: crypto,v 1.4 2023/07/17 16:41:48 christos Exp $
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2023-08-06 16:12:15 +00:00
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# crypto: file(1) magic for crypto formats
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#
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2023-08-08 11:16:24 +00:00
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# Bitcoin block files
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0 lelong 0xD9B4BEF9 Bitcoin
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>(4.l+40) lelong 0xD9B4BEF9 reverse block
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>>4 lelong x \b, size %u
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# normal block below
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>0 default x block
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>>4 lelong x \b, size %u
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>>8 lelong&0xE0000000 0x20000000
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>>>8 lelong x \b, BIP9 0x%x
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>>8 lelong&0xE0000000 !0x20000000
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>>>8 lelong x \b, version 0x%x
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>>76 ledate x \b, %s UTC
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# VarInt counter
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>>88 ubyte <0xfd \b, txcount %u
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>>88 ubyte 0xfd
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>>>89 leshort x \b, txcount %u
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>>88 ubyte 0xfe
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>>>89 lelong x \b, txcount %u
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>>88 ubyte 0xff
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>>>89 lequad x \b, txcount %llu
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!:ext dat
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# option to find more blocks in the file
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#>>(4.l+8) indirect x ;
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# LevelDB
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-8 lequad 0xdb4775248b80fb57 LevelDB table data
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# http://www.tarsnap.com/scrypt.html
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# see scryptenc_setup() in lib/scryptenc/scryptenc.c
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0 string scrypt\0 scrypt encrypted file
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>7 byte x \b, N=2**%d
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>8 belong x \b, r=%d
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>12 belong x \b, p=%d
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# https://age-encryption.org/
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# Only the first recipient is printed in detail to prevent repetitive output
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# in extreme cases ("ssh-rsa, ssh-rsa, ssh-rsa, ...").
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0 string age-encryption.org/v1\n age encrypted file
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>25 regex/128 \^[^\040]+ \b, %s recipient
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>>25 string scrypt
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>>>&0 regex/64 [0-9]+\$ (N=2**%s)
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>>&0 search/256 \n->\040 \b, among others
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0 string -----BEGIN\040AGE\040ENCRYPTED\040FILE----- age encrypted file, ASCII armored
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