| bytes | Package bytes implements functions for the manipulation of byte slices. |
| crypto | Package crypto collects common cryptographic constants. |
| crypto/internal/boring | Package boring provides access to BoringCrypto implementation functions. |
| crypto/internal/fips140/ecdh | |
| crypto/internal/fips140/edwards25519/field | Package field implements fast arithmetic modulo 2^255-19. |
| crypto/internal/fips140only | |
| crypto/internal/randutil | Package randutil contains internal randomness utilities for various crypto packages. |
| crypto/subtle | Package subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly. |
| errors | Package errors implements functions to manipulate errors. |
| io | Package io provides basic interfaces to I/O primitives. |