| crypto/rand | Package rand implements a cryptographically secure random number generator. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| git.sr.ht/~seirdy/moac | Package moac provides the utilities to calculate password strength given physical constraints. |
| git.sr.ht/~seirdy/moac/entropy | Package entropy provides a means to compute entropy of a given random string by analyzing both the charsets used and its length. |
| log | Package log implements a simple logging package. |
| math | Package math provides basic constants and mathematical functions. |
| math/big | Package big implements arbitrary-precision arithmetic (big numbers). |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |