初始提交:SM2/SM3/SM4/SM9 密码算法库

- SM3 哈希函数 (GB/T 32905-2013)
- SM4 分组密码,支持 ECB/CBC/OFB/CFB/CTR/GCM/CCM/XTS 模式 (GB/T 32907-2016)
- SM2 椭圆曲线密码 (GB/T 32918.1-5-2016)
- SM9 标识密码 (GB/T 38635.1-2-2020)
- 全程常量时间运算
- 支持 no_std,带 alloc 特性
- 完整的国标测试向量
- Criterion 性能基准测试
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huangxt
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//! SM3 国标测试向量(GB/T 32905-2016 附录 A
//!
//! A.1 示例1:消息为 "abc"3 字节)
//! A.2 示例2:消息为 "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd"64 字节)
use libsmx::sm3::Sm3Hasher;
/// GB/T 32905-2016 附录 A.1
/// 输入:M = "abc"
/// 预期:66c7f0f462eeedd9d1f2d46bdc10e4e24167c4875cf2f7a2297da02b8f4ba8e0
#[test]
fn test_sm3_vector_a1_abc() {
let msg = b"abc";
let digest = Sm3Hasher::digest(msg);
let expected = hex::decode("66c7f0f462eeedd9d1f2d46bdc10e4e24167c4875cf2f7a2297da02b8f4ba8e0")
.unwrap();
assert_eq!(digest.as_slice(), expected.as_slice(), "GB/T 32905 附录 A.1 失败");
}
/// GB/T 32905-2016 附录 A.2
/// 输入:M = "abcd" × 1664 字节)
/// 预期:debe9ff92275b8a138604889c18e5a4d6fdb70e5387e5765293dcba39c0c5732
#[test]
fn test_sm3_vector_a2_64bytes() {
let msg = b"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd";
let digest = Sm3Hasher::digest(msg);
let expected = hex::decode("debe9ff92275b8a138604889c18e5a4d6fdb70e5387e5765293dcba39c0c5732")
.unwrap();
assert_eq!(digest.as_slice(), expected.as_slice(), "GB/T 32905 附录 A.2 失败");
}
/// 流式接口与单次接口结果一致性验证
#[test]
fn test_sm3_streaming_equals_oneshot() {
let msg = b"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd";
let one_shot = Sm3Hasher::digest(msg);
let mut h = Sm3Hasher::new();
h.update(&msg[..32]);
h.update(&msg[32..]);
let streaming = h.finalize();
assert_eq!(one_shot, streaming, "流式与单次结果不一致");
}
/// 空消息哈希测试
/// SM3("") = 1ab21d8355cfa17f8e61194831e81a8f22bec8c728fefb747ed035eb5082aa2b
#[test]
fn test_sm3_empty_message() {
let digest = Sm3Hasher::digest(b"");
let expected = hex::decode("1ab21d8355cfa17f8e61194831e81a8f22bec8c728fefb747ed035eb5082aa2b")
.unwrap();
assert_eq!(digest.as_slice(), expected.as_slice(), "SM3 空消息测试失败");
}