Mercurial > dropbear
view src/pk/packet_valid_header.c @ 192:9cc34777b479 libtomcrypt
propagate from branch 'au.asn.ucc.matt.ltc-orig' (head 9ba8f01f44320e9cb9f19881105ae84f84a43ea9)
to branch 'au.asn.ucc.matt.dropbear.ltc' (head dbf51c569bc34956ad948e4cc87a0eeb2170b768)
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sun, 08 May 2005 06:36:47 +0000 |
parents | 1c15b283127b |
children | 39d5d58461d6 |
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, [email protected], http://libtomcrypt.org */ #include "tomcrypt.h" #ifdef PACKET int packet_valid_header(unsigned char *src, int section, int subsection) { unsigned long ver; LTC_ARGCHK(src != NULL); /* check version */ ver = ((unsigned long)src[0]) | ((unsigned long)src[1] << 8U); if (CRYPT < ver) { return CRYPT_INVALID_PACKET; } /* check section and subsection */ if (section != (int)src[2] || subsection != (int)src[3]) { return CRYPT_INVALID_PACKET; } return CRYPT_OK; } #endif