File: sha1.h

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/*
SHA-1 in C
By Steve Reid <steve@edmweb.com>
100% Public Domain
*/

typedef struct {
    u_int32_t state[5];
    u_int32_t count[2];
    unsigned char buffer[64];
} SHA1_CTX;

void SHA1Transform(u_int32_t state[5], const unsigned char buffer[64]);
void SHA1Init(SHA1_CTX* context);
void SHA1Update(SHA1_CTX* context, const unsigned char* data, u_int32_t len);
void SHA1Final(unsigned char digest[20], SHA1_CTX* context);