hash-calculator

SKILL.md

Calculate cryptographic hash values for text strings and files. Supports multiple algorithms, file verification, and batch processing.

| --text | Text to hash | - | | --file | File to hash | - | | --directory | Directory to hash | - | | --algorithm | Hash algorithm | all | | --verify | Expected hash to verify | - | | --output | Output file | - | | --recursive | Recursive directory | False | | --verify-checksums | Verify checksum file | - |

| md5 | 128 bits (32 hex) | Legacy, checksums (not secure) | | sha1 | 160 bits (40 hex) | Legacy (not secure) | | sha256 | 256 bits (64 hex) | General purpose, secure | | sha384 | 384 bits (96 hex) | High security | | sha512 | 512 bits (128 hex) | Maximum security | | blake2b | 512 bits | Modern, fast | | blake2s | 256 bits | Modern, fast, small |

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