feat: hmac-sm3 v0.1.0

.gitignore

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+target/
+.idea/

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
+[[package]]
+name = "hmac-sm3"
+version = "0.1.0"
+dependencies = [
+ "hex",
+ "sm3",
+]
+
+[[package]]
+name = "sm3"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebb9a3b702d0a7e33bc4d85a14456633d2b165c2ad839c5fd9a8417c1ab15860"
+dependencies = [
+ "digest",
+]
+
+[[package]]
+name = "typenum"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"

Cargo.toml

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+[package]
+name = "hmac-sm3"
+version = "0.1.0"
+edition = "2021"
+authors = ["Hatter Jiang"]
+repository = "https://git.hatter.ink/hatter/hmac-sm3"
+description = "HMAC-SM3 Library"
+license = "MIT OR Apache-2.0"
+keywords = ["crypto", "hmac", "sm3", "hmac-sm3", "stream"]
+categories = ["cryptography"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+sm3 = "0.4.2"
+
+
+[dev-dependencies]
+hex = "0.4.3"

README.md

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+HMAC-SM3 by `hmac_sm3`
+
+```rust
+let message = b"Hello World";
+let key = b"TestSecret";
+
+let hmac1 = hmac_sm3(key, message);
+assert_eq!("9d91da552268ddf11b9f69662773a66c6375b250336dfb9293e7e2611c36d79f", hex::encode(hmac1));
+```
+
+or use stream style:
+
+```rust
+let mut hm = HmacSm3::new(key);
+hm.update(b"Hello");
+hm.update(b" ");
+hm.update(b"World");
+let hmac2 = hm.finalize();
+assert_eq!("9d91da552268ddf11b9f69662773a66c6375b250336dfb9293e7e2611c36d79f", hex::encode(hmac2));
+```
+

src/lib.rs

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+use sm3::{Digest, Sm3};
+use sm3::digest::Output;
+
+const BLOCK_LENGTH: usize = 64;
+const SM3_OUTPUT_LENGTH: usize = 32;
+
+pub struct HmacSm3 {
+    opad: [u8; BLOCK_LENGTH],
+    sm3: Sm3,
+}
+
+impl HmacSm3 {
+    pub fn new(key: &[u8]) -> Self {
+        let mut structured_key = vec![0_u8; BLOCK_LENGTH];
+        if key.len() > BLOCK_LENGTH {
+            structured_key[0..SM3_OUTPUT_LENGTH].copy_from_slice(sm3_digest(&key).as_slice());
+        } else {
+            structured_key[0..key.len()].copy_from_slice(key);
+        }
+
+        let mut ipad = [0x36_u8; BLOCK_LENGTH];
+        let mut opad = [0x5c_u8; BLOCK_LENGTH];
+        for i in 0..BLOCK_LENGTH {
+            ipad[i] ^= structured_key[i];
+            opad[i] ^= structured_key[i];
+        }
+
+        let mut sm3 = Sm3::new();
+        sm3.update(&ipad);
+        Self {
+            opad,
+            sm3,
+        }
+    }
+
+    pub fn update(&mut self, message: &[u8]) {
+        self.sm3.update(message);
+    }
+
+    pub fn finalize(&mut self) -> Vec<u8> {
+        let ipad_message_digest = self.sm3.clone().finalize();
+        let mut opad_ipad_message_digest = self.opad.to_vec();
+        opad_ipad_message_digest.extend_from_slice(ipad_message_digest.as_slice());
+        sm3_digest(&opad_ipad_message_digest).as_slice().to_vec()
+    }
+}
+
+pub fn hmac_sm3(key: &[u8], message: &[u8]) -> Vec<u8> {
+    let mut hsm3 = HmacSm3::new(key);
+    hsm3.update(message);
+    hsm3.finalize()
+}
+
+fn sm3_digest(message: &[u8]) -> Output<Sm3> {
+    let mut sm3 = Sm3::new();
+    sm3.update(&message);
+    sm3.finalize()
+}
+
+#[test]
+fn test_001() {
+    let message = b"Hello World";
+    let key = b"TestSecret";
+
+    let hmac1 = hmac_sm3(key, message);
+    assert_eq!("9d91da552268ddf11b9f69662773a66c6375b250336dfb9293e7e2611c36d79f", hex::encode(hmac1));
+
+    let mut hm = HmacSm3::new(key);
+    hm.update(b"Hello");
+    hm.update(b" ");
+    hm.update(b"World");
+    let hmac2 = hm.finalize();
+    assert_eq!("9d91da552268ddf11b9f69662773a66c6375b250336dfb9293e7e2611c36d79f", hex::encode(hmac2));
+}
+
+
+#[test]
+fn test_002() {
+    let message = b"Hello World";
+    let key = b"TestSecretTestSecretTestSecretTestSecretTestSecretTestSecretTestSecretTestSecretTestSecretTest";
+
+    let hmac1 = hmac_sm3(key, message);
+    assert_eq!("ee3a9564211308bd5ca5b428b3de8a2494bb731b55d7169c60907f0e2045649d", hex::encode(hmac1));
+
+    let mut hm = HmacSm3::new(key);
+    hm.update(b"Hello");
+    hm.update(b" ");
+    hm.update(b"World");
+    let hmac2 = hm.finalize();
+    assert_eq!("ee3a9564211308bd5ca5b428b3de8a2494bb731b55d7169c60907f0e2045649d", hex::encode(hmac2));
+}
+