DH HELPER FUNCTIONS(9)

💖 DH HELPER FUNCTIONS 💖

okay so this is the DH Helper Functions page from the Kernel API Manual (man section 9, kernel-land bestie, not userland) ✨ and it's short and sweet, so let's get into it 🎀

To use DH with the KPP cipher API, the following data structure and functions should be used. that's it, that's the whole vibe 🫶

To use DH with KPP, the following functions should be used to operate on a DH private key. and like, the packet private key that can be set with the KPP API function call of crypto_kpp_set_secret — that's the one you're working with, iykyk 💅

ngl this page is lowkey just pointing you at the header and the functions below — no cap, the real lore lives in ./include/crypto/dh.h 🌸

✨ SEE ALSO ✨

• Kernel file ./include/crypto/dh.h — go read it, it's giving source of truth 👑
• struct dh(9)
• crypto_dh_key_len(9)
• crypto_dh_encode_key(9)
• crypto_dh_decode_key(9)
• __crypto_dh_decode_key(9)

like, literally all of these, bestie — go click through every single one, they're iconic 🔥

and that's the whole page!! 🦋 brought to you by source ./include/crypto, dated October 2026, and yeah it's still called DH Helper Functions(9) — periodt 💜