| Path | Synopsis | 
|---|---|
| crypto/sha256 | Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4. | 
| errors | Package errors implements functions to manipulate errors. | 
| golang.org/x/crypto/pbkdf2 | Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0. |