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Cryptography
Generate Scrypt hash from password
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Tool usage guide
The Scrypt Generator is a secure cryptographic tool designed to derive high-strength hashes from passwords using the memory-hard Scrypt key derivation function. By incorporating configurable parameters like cost, block size, and parallelism, it provides a robust defense against brute-force and hardware-accelerated attacks.
Background
Developing a secure login system and need to store user passwords in a database.
Problem
Need a memory-hard hash to prevent attackers from using GPUs to crack stolen password databases.
How to use
Enter the user's password, keep default cost parameters, and generate the hash for storage.
Cost (N): 16384, Block Size (r): 8, Parallelism (p): 1, Key Length: 32Outcome
A secure 32-byte Scrypt hash ready for database insertion.
Background
Creating an encrypted vault that requires a strong key derived from a master passphrase.
Problem
Need to increase the computational cost to make the key derivation process extremely slow for attackers.
How to use
Increase the cost factor (N) to 65536 and set parallelism to 4 to maximize resource usage.
The cost factor determines the memory and CPU usage required to compute the hash; higher values make the process more resistant to brute-force attacks.
Providing a unique, random salt for every password is recommended to prevent rainbow table attacks. If left empty, the tool can generate one for you.
The Scrypt algorithm requires the cost parameter (N) to be a power of 2 to ensure efficient memory allocation during the hashing process.
This tool is intended for generating hashes for testing or development. For production, ensure you use a trusted, audited cryptographic library in your application code.
Block size (r) controls the memory footprint per iteration, while parallelism (p) controls how many independent threads are used to compute the hash.
Cost (N): 65536, Block Size (r): 8, Parallelism (p): 4, Key Length: 64Outcome
A highly complex, memory-intensive hash suitable for protecting sensitive master keys.