| bytes | Package bytes implements functions for the manipulation of byte slices. |
| crypto/sha256 | Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4. |
| encoding/binary | Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints. |
| errors | Package errors implements functions to manipulate errors. |
| github.com/klauspost/cpuid/v2 | Package cpuid provides information about the CPU running the current program. |
| hash | Package hash provides interfaces for hash functions. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |