SHA1_Finish        33 ext/digest/sha1/sha1.h void	SHA1_Finish _((SHA1_CTX *context, uint8_t digest[20]));
SHA1_Finish        18 ext/digest/sha1/sha1init.c     (rb_digest_hash_finish_func_t)SHA1_Finish,
SHA1_Finish        18 ext/digest/sha1/sha1ossl.h void SHA1_Finish(SHA1_CTX *ctx, char *buf);