From b57958545b3d65da27c87935f415712fc78b6d3a Mon Sep 17 00:00:00 2001 From: asterix Date: Wed, 31 Jan 2007 18:04:15 +0000 Subject: [PATCH] Write md2_end function git-svn-id: https://src.develer.com/svnoss/bertos/trunk@751 38d2e660-2303-0410-9eaa-f027e97ec537 --- algos/md2.c | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/algos/md2.c b/algos/md2.c index 502cdeeb..f99434b3 100755 --- a/algos/md2.c +++ b/algos/md2.c @@ -13,8 +13,8 @@ /*#* *#* $Log$ - *#* Revision 1.6 2007/01/31 16:53:30 asterix - *#* Typo. + *#* Revision 1.7 2007/01/31 18:04:15 asterix + *#* Write md2_end function *#* *#* Revision 1.4 2007/01/31 13:51:57 asterix *#* Write md2_compute function. @@ -178,9 +178,32 @@ void md2_update(Md2Context *context, void *block_in, size_t block_len) } /** - * + * Ends MD2 message digest operation, writing the message digest and cleaning context. */ void md2_end(Md2Context *context, void *msg_digest) { + /* + * Pad remaning context buffer. + */ + md2_pad(context->buffer, CONFIG_MD2_BLOCK_LEN - context->counter); + + /* + * Update context and checksum. + */ + md2_update(context, context->buffer, CONFIG_MD2_BLOCK_LEN); + + md2_update(context, context->checksum, CONFIG_MD2_BLOCK_LEN); + /* + * Copy first CONFIG_MD2_BLOCK_LEN byte of context's state + * in msg_digest. The msg_digest is the message digest of + * MD2 algorithm. + */ + memcpy(msg_digest, context->state, CONFIG_MD2_BLOCK_LEN); + + /* + * Clean the context. + */ + memset(context, 0, sizeof(context)); + } -- 2.25.1