23 lines
540 B
Rust
23 lines
540 B
Rust
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//! Fuzz target: SM3 一次性哈希与流式哈希必须一致
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//!
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//! 验证 Sm3::digest(data) == 逐字节 Sm3::update + finalize 的结果相同。
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#![no_main]
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use libfuzzer_sys::fuzz_target;
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use sm3::Digest;
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fuzz_target!(|data: &[u8]| {
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// 一次性哈希
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let hash1 = sm3::Sm3::digest(data);
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// 流式哈希（逐字节）
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let mut h = sm3::Sm3::new();
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for byte in data {
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h.update(&[*byte]);
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}
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let hash2 = h.finalize();
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assert_eq!(hash1, hash2, "one-shot and streaming SM3 must agree");
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});
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