EVP_SM3(3)

📦 version 4.4.0, in alpine 3.24, arch rolling

🎀 EVP_SM3(3) 🎀

okay so welcome to the Library Functions Manual entry for EVP_sm3, and bestie it's literally the SM3 hash function for EVP. 💅

🌸 NAME 🌸

EVP_sm3 — SM3 hash function for EVP

✨ SYNOPSIS ✨

library “libcrypto” #include <openssl/evp.h>

const EVP_MD *
EVP_sm3(void);

💖 DESCRIPTION 💖

SM3 is a cryptographic hash function with a 256-bit output. It's part of the Chinese “Commercial Cryptography” suite of algorithms, which is required for certain commercial applications in China. That's the whole vibe: 256 bits, Chinese commercial crypto suite, required for certain commercial apps in China. No cap. 🔥

🫶 RETURN VALUES 🫶

EVP_sm3() returns a pointer to a static EVP_MD object implementing the SM3 hash function. It's giving “here's your static EVP_MD object, go off.” ✨

👑 SEE ALSO 👑

🌈 STANDARDS 🌈

GB/T 32905-2016 and GM/T 0004-2012 — yes bestie, those exact standards. 🎀

🦋 HISTORY 🦋

EVP_sm3() first appeared in OpenSSL 1.1.1 and has been available since OpenBSD 6.5. Periodt. 💜

xoxo, your Debian bestie 💖 — this page is from Debian, dated June 8, 2025. mwah 💋

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