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SHA224 Hash Generator

Generate SHA224 hash from text instantly. Free online SHA-224 hash calculator with multiple input/output formats, hash comparison, and detailed hash analysis.

SHA224 Hash Generator

SHA-224 Cryptographic Hash

Generate secure 224-bit hashes from any text input using the SHA-2 family algorithm

224 Bits
56 Hex Chars
112 Security
Quick Examples
Input Text
0 chars 0 bytes

Embed SHA224 Hash Generator Widget

About SHA224 Hash Generator

Welcome to the SHA224 Hash Generator, a free online tool to calculate SHA-224 cryptographic hashes from any text input. SHA-224 is a member of the SHA-2 family of hash functions, producing a 224-bit (28-byte) hash value typically rendered as a 56-character hexadecimal string.

What is SHA-224 and How Does It Work?

SHA-224 (Secure Hash Algorithm 224-bit) is a cryptographic hash function standardized by NIST (National Institute of Standards and Technology). It is essentially a truncated version of SHA-256, using different initial hash values and outputting 224 bits instead of 256 bits.

SHA-224 Hash Process
Input Data
→
Padding
→
64 Rounds
→
224-bit Hash

The algorithm processes data in 512-bit blocks through 64 rounds of mathematical operations including bitwise rotations, XOR operations, and modular additions. The result is a fixed-size hash that uniquely represents the input data.

SHA-224 vs Other SHA-2 Algorithms

Algorithm Output Size Block Size Security Level Hex Length
SHA-224 224 bits 512 bits 112 bits 56 chars
SHA-256 256 bits 512 bits 128 bits 64 chars
SHA-384 384 bits 1024 bits 192 bits 96 chars
SHA-512 512 bits 1024 bits 256 bits 128 chars

How to Use This SHA224 Hash Generator

  1. Select your mode: Choose Generate Hash to create a new hash, or Compare Hash to verify if text matches an existing hash.
  2. Enter your text: Type or paste the text, file content, or data you want to hash into the input field.
  3. Choose input format: Select Plain Text for regular text, Hexadecimal for hex strings, or Base64 for base64-encoded data.
  4. Generate the hash: Click Generate SHA224 Hash to calculate the hash. Copy the result in your preferred format.

Common Uses for SHA-224

Security Applications
  • Digital Signatures: Creating compact signatures for documents and certificates
  • Data Integrity: Verifying that files or messages have not been tampered with
  • TLS/SSL: Used in secure communication protocols
  • Certificate Generation: Part of X.509 certificate creation
Development Uses
  • API Authentication: Generating request signatures
  • Checksums: Verifying download integrity
  • Caching Keys: Creating unique identifiers for cached content
  • Deduplication: Identifying duplicate files or content

Is SHA-224 Secure for Password Hashing?

SHA-224 alone is not recommended for password hashing. While it is cryptographically secure for its intended purposes (data integrity, digital signatures), it is designed to be fast, which makes it vulnerable to brute-force attacks when used for passwords.

For password storage, use dedicated password hashing algorithms that are intentionally slow:

Can a SHA-224 Hash Be Reversed?

No. SHA-224 is a one-way cryptographic hash function. It is computationally infeasible to reverse the hash back to the original input. This property is called preimage resistance.

To verify if a piece of data matches a known hash, you must hash the data and compare the resulting hash values. This is how password verification systems work - they never decrypt passwords, they compare hashes.

Frequently Asked Questions

What is SHA-224 and how does it work?

SHA-224 is a cryptographic hash function from the SHA-2 family that produces a 224-bit (28-byte) hash value. It works by processing input data through multiple rounds of mathematical operations to create a unique fixed-length fingerprint of the data.

What is the difference between SHA-224 and SHA-256?

SHA-224 produces a 224-bit hash while SHA-256 produces a 256-bit hash. SHA-224 uses different initial hash values and truncates the output. Both use the same compression function and have similar security properties, with SHA-224 offering slightly reduced collision resistance.

Is SHA-224 secure for password hashing?

SHA-224 alone is not recommended for password hashing because it is designed to be fast. For passwords, use dedicated password hashing algorithms like Argon2, bcrypt, or PBKDF2 that include salting and are intentionally slow to resist brute-force attacks.

Can a SHA-224 hash be reversed or decrypted?

No, SHA-224 is a one-way cryptographic hash function. It is computationally infeasible to reverse the hash back to the original input. To verify data, you hash the input and compare it to the stored hash.

What are common uses for SHA-224?

SHA-224 is used for data integrity verification, digital signatures, certificate generation, secure communications (TLS/SSL), and as a building block in various cryptographic protocols where a 224-bit security level is sufficient.

Technical Specifications

References

Reference this content, page, or tool as:

"SHA224 Hash Generator" at https://MiniWebtool.com/sha224-hash-generator/ from MiniWebtool, https://MiniWebtool.com/

by miniwebtool team. Updated: Jan 13, 2026

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