#ifndef __SHA2_H__
#define __SHA2_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "apr.h"
#define SHA256_BLOCK_LENGTH 64
#define SHA256_DIGEST_LENGTH 32
#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
#define SHA384_BLOCK_LENGTH 128
#define SHA384_DIGEST_LENGTH 48
#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
#define SHA512_BLOCK_LENGTH 128
#define SHA512_DIGEST_LENGTH 64
#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
typedef struct _SHA256_CTX {
apr_uint32_t state[8];
apr_uint64_t bitcount;
apr_byte_t buffer[SHA256_BLOCK_LENGTH];
} SHA256_CTX;
typedef struct _SHA512_CTX {
apr_uint64_t state[8];
apr_uint64_t bitcount[2];
apr_byte_t buffer[SHA512_BLOCK_LENGTH];
} SHA512_CTX;
typedef SHA512_CTX SHA384_CTX;
void apr__SHA256_Init(SHA256_CTX *);
void apr__SHA256_Update(SHA256_CTX *, const apr_byte_t *, size_t);
void apr__SHA256_Final(apr_byte_t [SHA256_DIGEST_LENGTH], SHA256_CTX *);
char* apr__SHA256_End(SHA256_CTX *, char [SHA256_DIGEST_STRING_LENGTH]);
char* apr__SHA256_Data(const apr_byte_t *, size_t,
char [SHA256_DIGEST_STRING_LENGTH]);
void apr__SHA384_Init(SHA384_CTX *);
void apr__SHA384_Update(SHA384_CTX *, const apr_byte_t *, size_t);
void apr__SHA384_Final(apr_byte_t [SHA384_DIGEST_LENGTH], SHA384_CTX *);
char* apr__SHA384_End(SHA384_CTX *, char [SHA384_DIGEST_STRING_LENGTH]);
char* apr__SHA384_Data(const apr_byte_t *, size_t,
char [SHA384_DIGEST_STRING_LENGTH]);
void apr__SHA512_Init(SHA512_CTX *);
void apr__SHA512_Update(SHA512_CTX *, const apr_byte_t *, size_t);
void apr__SHA512_Final(apr_byte_t [SHA512_DIGEST_LENGTH], SHA512_CTX *);
char* apr__SHA512_End(SHA512_CTX *, char [SHA512_DIGEST_STRING_LENGTH]);
char* apr__SHA512_Data(const apr_byte_t *, size_t,
char [SHA512_DIGEST_STRING_LENGTH]);
#ifdef __cplusplus
}
#endif
#endif