STRUCT ECDH(9)

💜 struct ecdh — define an ECDH private key 💜

okay so bestie, this is struct ecdh(9) from the Kernel API Manual, and honestly? she's small but she's mighty. 🫶 This is the little struct that holds your ECDH private key, and the way that it just... exists in ./include/crypto? iconic. Let's get into it.

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✨ SYNOPSIS ✨

like, here's literally the whole thing, no cap:

struct ecdh {
    char *key;
    unsigned short key_size;
 };

that's it. two members. main character energy in the most minimal way possible. 💅

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🎀 Members 🎀

okay so let's meet the cast:

• key — the Private ECDH key itself. that's the whole vibe. 🔑
• key_size — the Size of the private ECDH key. yes bestie, you gotta know how big she is. 📏

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🦋 SEE ALSO 🦋

go check these out, iykyk:

• Kernel file ./include/crypto/ecdh.h — ECDH Helper Functions(9)
• crypto_ecdh_key_len(9)
• crypto_ecdh_encode_key(9)
• crypto_ecdh_decode_key(9)

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lowkey remember: this struct is just the definition of a private key holder — the real work happens in those helper functions above, so fr fr go read them next. 💖

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✨ and that's the whole page, bestie! ✨ this little gem lives in ./include/crypto, dated October 2026, and it's struct ecdh(9) all day every day. slay, periodt. 👑🌸