forked from acouzens/open5gs
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*---------------------------------------------------------
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* Kasumi.h
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*---------------------------------------------------------*/
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#if !defined(OGS_CRYPT_INSIDE) && !defined(OGS_CRYPT_COMPILATION)
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#error "This header cannot be included directly."
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#endif
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#ifndef KASUMI_H
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#define KASUMI_H
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#include "ogs-core.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef uint8_t u8;
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typedef uint16_t u16;
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/* original reference is using long, which is 64 bits on 64 bits system
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I changed to int to make it work on x86 32 / 64 bits system
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typedef unsigned long u32;
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*/
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typedef uint32_t u32;
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/*------- unions: used to remove "endian" issues ------------------------*/
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typedef union {
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u32 b32;
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u16 b16[2];
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u8 b8[4];
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} REGISTER32; /* is redefining DWORD */
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typedef union {
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u16 b16;
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u8 b8[2];
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} REGISTER16; /* is redefining WORD */
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/*----- a 64-bit structure to help with endian issues -----*/
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typedef union {
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u32 b32[2];
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u16 b16[4];
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u8 b8[8];
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} REGISTER64;
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/*------------- prototypes --------------------------------
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* take care: length (in f8 and f9) is always in bits
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*---------------------------------------------------------*/
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/* initialize the 128 bits key into the cipher */
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void kasumi_key_schedule( u8 *key );
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/* cipher a block of 64 bits */
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void kasumi( u8 *data );
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/* cipher a whole message in 3GPP -counter- mode */
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void kasumi_f8( u8 *key, u32 count, u32 bearer, u32 dir, u8 *data, int length );
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/* compute a 3GPP MAC on a message */
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u8* kasumi_f9( u8 *key, u32 count, u32 fresh, u32 dir, u8 *data, int length );
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#ifdef __cplusplus
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}
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#endif
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#endif /* KASUMI_H */
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