| crypto/sha512 | Package sha512 implements the SHA-384, SHA-512, SHA-512/224, and SHA-512/256 hash algorithms as defined in FIPS 180-4. |
| crypto/subtle | Package subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly. |
| github.com/ProtonMail/go-crypto/openpgp/aes/keywrap | Package keywrap is an implementation of the RFC 3394 AES key wrapping algorithm. |
| github.com/ProtonMail/go-crypto/openpgp/errors | Package errors contains common error types for the OpenPGP packages. |
| github.com/cloudflare/circl/dh/x448 | Package x448 provides Diffie-Hellman functions as specified in RFC-7748. |
| golang.org/x/crypto/hkdf | Package hkdf implements the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) as defined in RFC 5869. |
| io | Package io provides basic interfaces to I/O primitives. |