Scrypt Hash Generator
Scrypt is a password-based key derivation function designed to be computationally intensive and memory-hard, making it resistant to hardware brute-force attacks.
Scrypt Derive / Hash
Scrypt Verify
What is Scrypt?
Scrypt is a password-based key derivation function (PBKDF) created by Colin Percival in 2009. It was specifically designed to make it costly to perform large-scale custom hardware attacks by requiring large amounts of memory.
Unlike bcrypt which is CPU-intensive, scrypt is both CPU and memory-intensive, making it more resistant to attacks using specialized hardware like ASICs and GPUs. It's widely used in cryptocurrencies like Litecoin and Dogecoin.
Key Features
- Memory-hard algorithm - requires significant RAM to compute
- Configurable parameters (N, r, p) allow adjusting difficulty
- Resistant to hardware brute-force attacks (GPU, ASIC)
- Recommended for password hashing and key derivation
Security Information
Always use a random salt for each password to prevent rainbow table attacks.
Higher N values increase security but also increase computation time and memory usage.
For password hashing, recommended parameters: N=16384, r=8, p=1 (minimum for good security).
Privacy Information
All scrypt operations are performed entirely in your browser. Your passwords and salts are never sent to our server.
About Scrypt Hash Generator
Generate and verify Scrypt hashes for secure password hashing.
Derive a memory-hard key from a password and salt, then verify a candidate using the same scrypt parameters.
Key features
- Security task Derive a memory-hard key from a password and salt, then verify a candidate using the same scrypt parameters.
- Required material Enter a password and unique salt for generation, or the password, salt, and expected hash for verification.
- Parameters that must match Set N as a power of two plus r, p, derived-key length, and HEX or Base64 output; all values must match during verification.
- Result and verification The tool returns a derived key or a match result while making CPU and memory cost explicit.
How to use Scrypt Hash Generator
Follow this workflow to work with scrypt derived keys safely and accurately.
- Provide the required material Enter a password and unique salt for generation, or the password, salt, and expected hash for verification.
- Match security parameters Set N as a power of two plus r, p, derived-key length, and HEX or Base64 output; all values must match during verification.
- Run the operation Run the operation locally, keep sensitive scrypt derived keys out of logs and screenshots, and never assume a successful transformation proves secure deployment.
- Verify before use The tool returns a derived key or a match result while making CPU and memory cost explicit.
Usage tips
- Generate at least 16 random salt bytes for each independently stored password.
- Benchmark N, r, and p on production-class hardware and store the parameters with the derived value.
- Increase work factors over time and rehash after successful authentication when policy changes.