70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
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/* blockcipher_descriptor.h */
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#ifndef BLOCKCIPHER_DESCRIPTOR_H_
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#define BLOCKCIPHER_DESCRIPTOR_H_
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#include <stdint.h>
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#include <avr/pgmspace.h>
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typedef void(*void_fpt)(void);
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typedef void(*bc_init1_fpt)(void*, void*);
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typedef void(*bc_init2_fpt)(void*, uint16_t,void*);
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typedef void(*bc_enc1_fpt)(void*, void*);
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typedef void(*bc_enc2_fpt)(void*, void*, void*);
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typedef void(*bc_dec1_fpt)(void*, void*);
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typedef void(*bc_dec2_fpt)(void*, void*, void*);
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typedef void(*bc_free_fpt)(void*);
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typedef union{
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void_fpt initvoid;
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bc_init1_fpt init1;
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bc_init2_fpt init2;
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} bc_init_fpt;
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typedef union{
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void_fpt encvoid;
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bc_enc1_fpt enc1;
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bc_enc2_fpt enc2;
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} bc_enc_fpt;
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typedef union{
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void_fpt decvoid;
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bc_dec1_fpt dec1;
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bc_dec2_fpt dec2;
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} bc_dec_fpt;
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#define BC_INIT_TYPE 0x01
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#define BC_INIT_TYPE_1 0x00
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#define BC_INIT_TYPE_2 0x01
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#define BC_ENC_TYPE 0x02
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#define BC_ENC_TYPE_1 0x00
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#define BC_ENC_TYPE_2 0x02
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#
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#define BC_DEC_TYPE 0x04
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#define BC_DEC_TYPE_1 0x00
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#define BC_DEC_TYPE_2 0x04
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#define BCDESC_TYPE_BLOCKCIPHER 0x01
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typedef struct {
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uint8_t type; /* 1==blockcipher */
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uint8_t flags;
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PGM_P name;
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uint16_t ctxsize_B;
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uint16_t blocksize_b;
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bc_init_fpt init;
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bc_enc_fpt enc;
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bc_dec_fpt dec;
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bc_free_fpt free;
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PGM_VOID_P valid_keysize_desc;
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} bcdesc_t; /* blockcipher descriptor type */
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typedef struct{
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bcdesc_t* desc_ptr;
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uint16_t keysize;
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void* ctx;
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} bcgen_ctx_t;
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#endif /* BLOCKCIPHER_DESCRIPTOR_H_ */
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