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Diffstat (limited to '')
-rw-r--r-- | security/nss/lib/freebl/des.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/des.h b/security/nss/lib/freebl/des.h new file mode 100644 index 0000000000..70a17e5108 --- /dev/null +++ b/security/nss/lib/freebl/des.h @@ -0,0 +1,43 @@ +/* + * des.h + * + * header file for DES-150 library + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _DES_H_ +#define _DES_H_ 1 + +#include "blapi.h" + +typedef unsigned char BYTE; +typedef unsigned int HALF; + +#define HALFPTR(x) ((HALF *)(x)) +#define SHORTPTR(x) ((unsigned short *)(x)) +#define BYTEPTR(x) ((BYTE *)(x)) + +typedef enum { + DES_ENCRYPT = 0x5555, + DES_DECRYPT = 0xAAAA +} DESDirection; + +typedef void DESFunc(struct DESContextStr *cx, BYTE *out, const BYTE *in, + unsigned int len); + +struct DESContextStr { + /* key schedule, 16 internal keys, each with 8 6-bit parts */ + HALF ks0[32]; + HALF ks1[32]; + HALF ks2[32]; + HALF iv[2]; + DESDirection direction; + DESFunc *worker; +}; + +void DES_MakeSchedule(HALF *ks, const BYTE *key, DESDirection direction); +void DES_Do1Block(HALF *ks, const BYTE *inbuf, BYTE *outbuf); + +#endif |