PrismKitCrypto & SecurityBcryptBcryptRuns in your browserLocalCopy linkMarkdownHash a string with bcrypt at a work factor you choose, or test a string against an existing bcrypt hash.CRC CalculatorCompute CRC-8, CRC-16, CRC-32, CRC-32C and Adler-32 checksums of text or raw hex bytes.Key Derivation (PBKDF2 / HKDF)Derive keys with PBKDF2 or HKDF using SHA-1, SHA-256, SHA-384 or SHA-512, with OWASP's recommended PBKDF2 iteration counts.