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#ifndef SRSLTE_ZUC_H
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#define SRSLTE_ZUC_H
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typedef unsigned char u8;
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typedef unsigned int u32;
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/* the state registers of LFSR */
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typedef struct {
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u32 LFSR_S0;
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u32 LFSR_S1;
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u32 LFSR_S2;
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u32 LFSR_S3;
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u32 LFSR_S4;
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u32 LFSR_S5;
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u32 LFSR_S6;
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u32 LFSR_S7;
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u32 LFSR_S8;
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u32 LFSR_S9;
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u32 LFSR_S10;
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u32 LFSR_S11;
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u32 LFSR_S12;
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u32 LFSR_S13;
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u32 LFSR_S14;
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u32 LFSR_S15;
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/* the registers of F */
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u32 F_R1;
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u32 F_R2;
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/* the outputs of BitReorganization */
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u32 BRC_X0;
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u32 BRC_X1;
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u32 BRC_X2;
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u32 BRC_X3;
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} zuc_state_t;
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void zuc_initialize(zuc_state_t *state, u8* k, u8* iv);
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void zuc_generate_keystream(zuc_state_t *state, int key_stream_len, u32* p_keystream);
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#endif // SRSLTE_ZUC_H
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