/usr/include/bglibs/crypto/sha1.h is in libbg1-dev 1.106-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | /*
SHA-1 in C
By Steve Reid <steve@edmweb.com>, with small changes to make it
fit by Bruce Guenter <bruce@untroubled.org>
*/
#ifndef _SHA1_H
# define _SHA1_H
#include <sysdeps.h>
#define SHA1_DIGEST_LENGTH 20
#define SHA1_BLOCK_LENGTH 64
typedef struct {
uint32 state[5];
uint64 bytes;
unsigned char buffer[SHA1_BLOCK_LENGTH];
} SHA1_CTX;
void SHA1Transform(uint32 state[5], const unsigned char buffer[SHA1_BLOCK_LENGTH]);
void SHA1Init(SHA1_CTX* context);
void SHA1Update(SHA1_CTX* context, const unsigned char* data, uint32 len);
void SHA1Final(SHA1_CTX* context, unsigned char digest[SHA1_DIGEST_LENGTH]);
# define SHA1_Transform SHA1Transform
# define SHA1_Init SHA1Init
# define SHA1_Update SHA1Update
# define SHA1_Final SHA1Final
#endif
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