From 3cac09c89fe0081f06188f1e9440de5d863951be Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Thu, 20 May 2021 19:06:47 +0200 Subject: fat filesystem with disk encryption for sd card driver --- crypto/blowfish/blowfish.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 crypto/blowfish/blowfish.h (limited to 'crypto/blowfish/blowfish.h') diff --git a/crypto/blowfish/blowfish.h b/crypto/blowfish/blowfish.h new file mode 100644 index 0000000..a317812 --- /dev/null +++ b/crypto/blowfish/blowfish.h @@ -0,0 +1,38 @@ +/* +blowfish.h: Header file for blowfish.c + +Copyright (C) 1997 by Paul Kocher + +This library is free software; you can redistribute it and/or +modify it under the terms of the GNU Lesser General Public +License as published by the Free Software Foundation; either +version 2.1 of the License, or (at your option) any later version. +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Lesser General Public License for more details. +You should have received a copy of the GNU Lesser General Public +License along with this library; if not, write to the Free Software +Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + +See blowfish.c for more information about this file. +*/ + +#include +#include + +#define BF_KEYLEN 16 +#define BF_BLOCKLEN 8 + +typedef struct { + unsigned long P[16 + 2]; + unsigned long S[4][256]; +} BFCtx; + +void bf_init(BFCtx *ctx, uint8_t *key); +void bf_ecb_encrypt(BFCtx *ctx, uint8_t *buf); +void bf_ecb_decrypt(BFCtx *ctx, uint8_t *buf); +void bf_cbc_decrypt(BFCtx *ctx, uint8_t *iv, uint8_t *buf, size_t length); +void bf_cbc_encrypt(BFCtx *ctx, uint8_t *iv, uint8_t *buf, size_t length); + -- cgit v1.2.3