hashcracker 1.1.3

GPU-accelerated password cracker — 42 hash types, Vulkan/Metal/DX12, single binary
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73

use crate::hashes::{AttackModeType, HashModule, HashPattern, ParsedHash};

pub struct RawSha224;

impl HashModule for RawSha224 {
    fn name(&self) -> &'static str { "raw-sha224" }
    fn mode(&self) -> u32 { 1410 }
    fn digest_words(&self) -> u32 { 7 }
    fn needs_int64(&self) -> bool { false }

    fn cpu_verify(&self, password: &str, salt: &[u8], hash: &[u32]) -> bool {
        use sha2::{Digest, Sha224};
        let mut hasher = Sha224::new();
        hasher.update(password.as_bytes());
        hasher.update(salt);
        let result = hasher.finalize();
        let mut computed = [0u32; 7];
        for i in 0..7 {
            computed[i] = u32::from_be_bytes(result[i * 4..i * 4 + 4].try_into().unwrap());
        }
        computed == hash[..7]
    }

    fn shader_source(&self, mode: &AttackModeType) -> &'static str {
        match mode {
            AttackModeType::BruteForce => include_str!("../sha224_crack.wgsl"),
            AttackModeType::Mask => include_str!("../sha224_mask.wgsl"),
            AttackModeType::Wordlist => include_str!("../sha224_wordlist.wgsl"),
        }
    }

    fn detect_patterns(&self) -> &[HashPattern] {
        &[HashPattern { prefix: None, hex_len: Some(56), priority: 100 }]
    }

    fn parse_hash_string(&self, s: &str) -> Result<ParsedHash, String> {
        let clean = s.trim().strip_prefix("0x").unwrap_or(s.trim());
        if clean.len() != 56 {
            return Err(format!("Expected 56 hex chars for SHA-224, got {}", clean.len()));
        }
        let mut target = [0u32; 8];
        for i in 0..7 {
            target[i] = u32::from_str_radix(&clean[i * 8..i * 8 + 8], 16)
                .map_err(|_| format!("Invalid hex at position {}", i * 8))?;
        }
        Ok(ParsedHash {
            hash_words: target,
            extra_words: [0u32; 8],
            salt: Vec::new(),
            digest_words: 7,
        })
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::hashes::HashModule;
    use sha2::Digest;

    #[test]
    fn test_sha224_roundtrip() {
        let m = RawSha224;
        let pw = "hello";
        let mut hasher = sha2::Sha224::new();
        hasher.update(pw.as_bytes());
        let result = hasher.finalize();
        let hex_str = hex::encode(result);
        let parsed = m.parse_hash_string(&hex_str).unwrap();
        assert!(m.cpu_verify(pw, &[], &parsed.hash_words));
        assert!(!m.cpu_verify("wrong", &[], &parsed.hash_words));
    }
}