forked from acouzens/open5gs
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*------------------------------------------------------------------------
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* ZUC.h
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* Code taken from the ZUC specification
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* available on the GSMA website
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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 ZUC_H
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#define ZUC_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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/* type definition from */
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typedef uint8_t u8;
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typedef uint32_t u32;
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/*
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* ZUC keystream generator
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* k: secret key (input, 16 bytes)
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* iv: initialization vector (input, 16 bytes)
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* Keystream: produced keystream (output, variable length)
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* KeystreamLen: length in bits requested for the keystream (input)
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*/
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void zuc_initialize(u8* k, u8* iv);
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void zuc_generate_key_stream(u32* pKeystream, u32 KeystreamLen);
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/*
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* CK: ciphering key
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* COUNT: frame counter
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* BEARER: radio bearer
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* DIRECTION
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* LENGTH: length of the frame in bits
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* M: original message (input)
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* C: processed message (output)
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*/
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void zuc_eea3(u8* CK, u32 COUNT, u32 BEARER, u32 DIRECTION,
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u32 LENGTH, u8* M, u8* C);
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/*
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* IK: integrity key
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* COUNT: frame counter
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* BEARER: radio bearer
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* DIRECTION
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* LENGTH: length of the frame in bits
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* M: original message (input)
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* C: processed message (output)
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*/
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void zuc_eia3(u8* IK, u32 COUNT, u32 BEARER, u32 DIRECTION,
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u32 LENGTH, u8* M, u32* MAC);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZUC_H */
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