Module digest 

SHA-256 (FIPS 180-4) that hashes a stream in blocks, so a data set is digested without being held in memory, and HMAC-SHA-256 (RFC 2104). Written here because the runtime takes no dependencies.

Structs

Sha256

Functions

hex

hmac

sha256

sha256_reader

The digest of everything reader yields, and how many bytes that was.