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SHA-3 (Secure Hash Algorithm 3) is the latest member of the Secure Hash Algorithm family, released by NIST in 2015. Based on the Keccak algorithm, it provides a higher level of security than its predecessors and is resistant to known cryptographic attacks.
✅ Security Recommendation: SHA-3 is considered cryptographically secure and is recommended for security-sensitive applications. It provides a future-proof hashing algorithm resistant to known attacks.
SHA-3 is increasingly being adopted in various security applications:
| Application | Usage |
|---|---|
| Cryptographic Security | Digital signatures, certificate authorities, and TLS/SSL |
| Blockchain Technology | Cryptocurrencies and distributed ledger systems |
| Data Integrity | Verifying file integrity and data authentication |
| Password Storage | Secure password hashing in authentication systems |
| Algorithm | Output Size | Security Status | Common Uses |
|---|---|---|---|
| MD4 | 128 bits | Broken | Legacy systems |
| MD5 | 128 bits | Vulnerable | Checksums, non-crypto uses |
| SHA-1 | 160 bits | Vulnerable | Git, legacy certificates |
| SHA-256 | 256 bits | Secure | Cryptography, blockchain, certificates |
| SHA-3 | 224-512 bits | Highly Secure | Future-proof security, quantum resistance |
💡 For security-critical applications, SHA-3 is recommended as it provides the highest level of security and is resistant to attacks that affect older algorithms.
