1f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* LibTomCrypt, modular cryptographic library -- Tom St Denis 2f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 3f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * LibTomCrypt is a library that provides various cryptographic 4f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * algorithms in a highly modular and flexible manner. 5f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 6f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The library is free for all purposes without any express 7f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * guarantee it works. 8f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 9f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com 10f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project */ 11f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 12f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/** 13f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @file ocb_done_encrypt.c 14f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project OCB implementation, terminate encryption, by Tom St Denis 15f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project*/ 16f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include "tomcrypt.h" 17f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 18f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#ifdef OCB_MODE 19f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 20f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/** 21f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project Terminate an encryption OCB state 22f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param ocb The OCB state 23f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param pt Remaining plaintext (if any) 24f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param ptlen The length of the plaintext (octets) 25f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param ct [out] The ciphertext (if any) 26f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param tag [out] The tag for the OCB stream 27f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param taglen [in/out] The max size and resulting size of the tag 28f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @return CRYPT_OK if successful 29f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project*/ 30f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectint ocb_done_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen, 31f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned char *ct, unsigned char *tag, unsigned long *taglen) 32f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project{ 33f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project LTC_ARGCHK(ocb != NULL); 34f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project LTC_ARGCHK(pt != NULL); 35f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project LTC_ARGCHK(ct != NULL); 36f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project LTC_ARGCHK(tag != NULL); 37f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project LTC_ARGCHK(taglen != NULL); 38f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return s_ocb_done(ocb, pt, ptlen, ct, tag, taglen, 0); 39f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project} 40f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 41f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#endif 42f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 43f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 44f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Source: /cvs/libtom/libtomcrypt/src/encauth/ocb/ocb_done_encrypt.c,v $ */ 45f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Revision: 1.4 $ */ 46f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Date: 2006/03/31 14:15:35 $ */ 47