bool digest_create(struct digest *, void *indata, size_t inlen, void *outdata);
bool digest_verify(struct digest *, void *indata, size_t inlen, void *digestdata);
bool digest_create(struct digest *, void *indata, size_t inlen, void *outdata);
bool digest_verify(struct digest *, void *indata, size_t inlen, void *digestdata);