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#ifndef _IPXE_MD4_H
#define _IPXE_MD4_H
/** @file
*
* MD4 algorithm
*
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdint.h>
#include <ipxe/crypto.h>
/** An MD4 digest */
struct md4_digest {
/** Hash output */
uint32_t h[4];
};
/** An MD4 data block */
union md4_block {
/** Raw bytes */
uint8_t byte[64];
/** Raw dwords */
uint32_t dword[16];
/** Final block structure */
struct {
/** Padding */
uint8_t pad[56];
/** Length in bits */
uint64_t len;
} final;
};
/** MD4 digest and data block
*
* The order of fields within this structure is designed to minimise
* code size.
*/
struct md4_digest_data {
/** Digest of data already processed */
struct md4_digest digest;
/** Accumulated data */
union md4_block data;
} __attribute__ (( packed ));
/** MD4 digest and data block */
union md4_digest_data_dwords {
/** Digest and data block */
struct md4_digest_data dd;
/** Raw dwords */
uint32_t dword[ sizeof ( struct md4_digest_data ) /
sizeof ( uint32_t ) ];
};
/** An MD4 context */
struct md4_context {
/** Amount of accumulated data */
size_t len;
/** Digest and accumulated data */
union md4_digest_data_dwords ddd;
} __attribute__ (( packed ));
/** MD4 context size */
#define MD4_CTX_SIZE sizeof ( struct md4_context )
/** MD4 block size */
#define MD4_BLOCK_SIZE sizeof ( union md4_block )
/** MD4 digest size */
#define MD4_DIGEST_SIZE sizeof ( struct md4_digest )
extern struct digest_algorithm md4_algorithm;
#endif /* _IPXE_MD4_H */
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