| crypto/cipher | Package cipher implements standard block cipher modes that can be wrapped around low-level block cipher implementations. |
| crypto/internal/alias | |
| crypto/internal/boring | Package boring provides access to BoringCrypto implementation functions. |
| 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. |
| internal/byteorder | Package byteorder provides functions for decoding and encoding little and big endian integer types from/to byte slices. |
| internal/cpu | Package cpu implements processor feature detection used by the Go standard library. |
| internal/goarch | package goarch contains GOARCH-specific constants. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |