int main(void){
const char message[] = "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu";
uint32_t hash[SHA1_HASH_NB_DWORD];
struct sha1State state;
sha1_init(&state);
sha1_feed(&state, (const uint32_t*)message, strlen(message));
sha1_hash(&state, hash);
printf("Plaintext: \"%s\"\n", message);
printf("SHA1 hash: ");
fprintBuffer_raw(stdout, (char*)hash, SHA1_HASH_NB_BYTE);
putchar('\n');
return EXIT_SUCCESS;
}
void sha1_update (SHA1Schedule *ctx, char const *buf, unsigned int len)
{
register unsigned int i = 0 ;
for (; i < len ; i++) sha1_feed(ctx, (unsigned char)buf[i]) ;
}