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SHA-384

Convert text or file into a SHA-384 hash

SHA-384 Hash Generator

What is SHA-384​

Overview:
SHA-384 is a cryptographic hash function in the SHA-2 family, standardized by NIST in 2001. It is essentially SHA-512 with a different initial state and a truncated output of 384 bits, offering strong security with a slightly smaller digest.

Output Size:

  • Produces a 384-bit (48-byte) hash.
  • Typically represented as a 96-character hexadecimal string.

Internal Structure:

  • Processes data in 1024-bit blocks (like SHA-512).
  • Uses 80 rounds of operations per block.
  • Maintains eight 64-bit words as its internal state.
  • Operations include bitwise logical functions, modular addition, and circular shifts.
  • Built on the Merkle–Damgård construction with SHA-512 internal design.

Cryptographic Properties:

  • Deterministic: same input → same output.
  • Strong avalanche effect: small changes in input drastically alter output.
  • One-way function: infeasible to reverse.
  • Collision-resistant: no practical collisions known; more secure against collisions than SHA-256.

Security:

  • Provides a higher security margin than SHA-256 due to longer digest and larger internal state.
  • Suitable for high-security applications requiring long digests.

Performance:

  • Slightly slower than SHA-256 on 32-bit CPUs but efficient on 64-bit processors.
  • Shares the same structure as SHA-512, making it optimized for platforms supporting 64-bit arithmetic.

Common Use Cases:

  • High-security digital signatures.
  • HMAC for secure message authentication in sensitive contexts.
  • TLS/SSL configurations where longer digests are required.
  • Any application requiring stronger collision resistance than SHA-256.