#ifndef _CORECRYPTO_CCDIGEST_H_
#define _CORECRYPTO_CCDIGEST_H_
#include <corecrypto/cc.h>
#include <corecrypto/ccn.h>
struct ccdigest_ctx {
union {
uint8_t u8;
uint32_t u32;
uint64_t u64;
cc_unit ccn;
} state;
} CC_ALIGNED(8);
typedef struct ccdigest_ctx *ccdigest_ctx_t ;
struct ccdigest_state {
union {
uint8_t u8;
uint32_t u32;
uint64_t u64;
cc_unit ccn;
} state;
} CC_ALIGNED(8);
typedef struct ccdigest_state *ccdigest_state_t;
struct ccdigest_info {
size_t output_size;
size_t state_size;
size_t block_size;
size_t oid_size;
const unsigned char *oid;
const void *initial_state;
void(*compress)(ccdigest_state_t state, size_t nblocks,
const void *data);
void(*final)(const struct ccdigest_info *di, ccdigest_ctx_t ctx,
unsigned char *digest);
};
#define ccdigest_ctx_size(_state_size_, _block_size_) ((_state_size_) + sizeof(uint64_t) + (_block_size_) + sizeof(unsigned int))
#define ccdigest_di_size(_di_) (ccdigest_ctx_size((_di_)->state_size, (_di_)->block_size))
#define ccdigest_ctx_decl(_state_size_, _block_size_, _name_) cc_ctx_decl(struct ccdigest_ctx, ccdigest_ctx_size(_state_size_, _block_size_), _name_)
#define ccdigest_ctx_clear(_state_size_, _block_size_, _name_) cc_clear(ccdigest_ctx_size(_state_size_, _block_size_), _name_)
#define ccdigest_di_decl(_di_, _name_) cc_ctx_decl(struct ccdigest_ctx, ccdigest_di_size(_di_), _name_)
#define ccdigest_di_clear(_di_, _name_) cc_clear(ccdigest_di_size(_di_), _name_)
#define ccdigest_state(_di_, _ctx_) ((struct ccdigest_state *)(&((ccdigest_ctx_t)(_ctx_))->state.u8 + sizeof(uint64_t)))
#define ccdigest_state_u8(_di_, _ctx_) ccdigest_u8(ccdigest_state((_di_), (_ctx_)))
#define ccdigest_state_u32(_di_, _ctx_) ccdigest_u32(ccdigest_state((_di_), (_ctx_)))
#define ccdigest_state_u64(_di_, _ctx_) ccdigest_u64(ccdigest_state((_di_), (_ctx_)))
#define ccdigest_state_ccn(_di_, _ctx_) ccdigest_ccn(ccdigest_state((_di_), (_ctx_)))
#define ccdigest_nbits(_di_, _ctx_) (((uint64_t *)(&((ccdigest_ctx_t)(_ctx_))->state.u8))[0])
#define ccdigest_data(_di_, _ctx_) (&((ccdigest_ctx_t)(_ctx_))->state.u8 + (_di_)->state_size + sizeof(uint64_t))
#define ccdigest_num(_di_, _ctx_) (((unsigned int *)(&((ccdigest_ctx_t)(_ctx_))->state.u8 + (_di_)->state_size + sizeof(uint64_t) + (_di_)->block_size))[0])
#define ccdigest_u8(_state_) (&((ccdigest_state_t)(_state_))->state.u8)
#define ccdigest_u32(_state_) (&((ccdigest_state_t)(_state_))->state.u32)
#define ccdigest_u64(_state_) (&((ccdigest_state_t)(_state_))->state.u64)
#define ccdigest_ccn(_state_) (&((ccdigest_state_t)(_state_))->state.ccn)
void ccdigest_init(const struct ccdigest_info *di, ccdigest_ctx_t ctx);
void ccdigest_update(const struct ccdigest_info *di, ccdigest_ctx_t ctx,
size_t len, const void *data);
CC_INLINE
void ccdigest_final(const struct ccdigest_info *di, ccdigest_ctx_t ctx, unsigned char *digest)
{
di->final(di,ctx,digest);
}
void ccdigest(const struct ccdigest_info *di, size_t len,
const void *data, void *digest);
#define OID_DEF(_VALUE_) ((const unsigned char *)_VALUE_)
#define CC_DIGEST_OID_MD2 OID_DEF("\x06\x08\x2A\x86\x48\x86\xF7\x0D\x02\x02")
#define CC_DIGEST_OID_MD4 OID_DEF("\x06\x08\x2A\x86\x48\x86\xF7\x0D\x02\x04")
#define CC_DIGEST_OID_MD5 OID_DEF("\x06\x08\x2A\x86\x48\x86\xF7\x0D\x02\x05")
#define CC_DIGEST_OID_SHA1 OID_DEF("\x06\x05\x2b\x0e\x03\x02\x1a")
#define CC_DIGEST_OID_SHA224 OID_DEF("\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x04")
#define CC_DIGEST_OID_SHA256 OID_DEF("\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01")
#define CC_DIGEST_OID_SHA384 OID_DEF("\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x02")
#define CC_DIGEST_OID_SHA512 OID_DEF("\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x03")
#define CC_DIGEST_OID_RMD160 OID_DEF("\x06\x05\x2B\x24\x03\x02\x01")
#endif