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For example, if you have following input records (password column was encrypted):\n\n* Base64\n```csv\nid,password,comment\n1,XaBAt/J3LNqKCVlWbu2E+g==,a\n2,gUzzC+nJSBLbPTAzJlbbMA==,b\n```\n* Hex\n```csv\nid,password,comment\n1,5DA040B7F2772CDA8A0959566EED84FA,a\n2,814CF30BE9C94812DB3D30332656DB30,b\n``` \n    \nYou can apply decryption to the password column and get following outputs:\n```csv\nid,password,comment\n1,super,a\n2,secret,b\n``` \n\n## Overview\n\n* **Plugin type**: filter\n\n## Configuration\n\n- **algorithm**: encryption algorithm (see below) (enum, required)\n- **column_names**: names of string columns to encrypt (array of string, required)\n- **key_type**: encryption key (enum, optional, default: inline), can be either \"inline\" or \"s3\"\n- **key_hex**: encryption key (string, required if key_type is inline)\n- **iv_hex**: encryption initialization vector (string, required if mode of the algorithm is CBC and key_type is inline)\n- **input_encoding**: the encoding of encrypted value, can be either \"base64\" or \"hex\" (base16)\n- **aws_params**: AWS/S3 parameters (hash, required if key_type is s3)\n    - **region**: a valid AWS region\n    - **access_key**: a valid AWS access key\n    - **secret_key**: a valid AWS secret key\n    - **bucket**: a valid S3 bucket\n    - **path**: a valid S3 key (S3 file path)\n    \nS3 key file should be in valid YAML format: (iv_hex is required if mode of the algorithm is CBC)\n\n```yaml\nkey_hex: 098F6BCD4621D373CADE4E832627B4F60A9172716AE6428409885B8B829CCB05\niv_hex: C9DD4BB33B827EB1FBA1B16A0074D460\n```\n\n## Algorithms\n\nAvailable algorithms are:\n\n* AES-256-CBC\n* AES-192-CBC\n* AES-128-CBC\n* AES-256-ECB\n* AES-192-ECB\n* AES-128-ECB\n\n## Example\n\n* Inline key type\n\n```yaml\n filters:\n   - type: decrypt\n     algorithm: AES-256-CBC\n     column_names: [password, ip]\n     key_hex: 098F6BCD4621D373CADE4E832627B4F60A9172716AE6428409885B8B829CCB05\n     iv_hex: C9DD4BB33B827EB1FBA1B16A0074D460\n     input_encoding: hex\n ```\n* S3 key type\n\n```yaml\n filters:\n   - type: decrypt\n     algorithm: AES-256-CBC\n     input_encoding: hex\n     column_names: [password, ip]\n     key_type: s3\n     aws_params:\n       region: us-east-2\n       access_key: XXXXXXXXXXXXXXXXXXXX\n       secret_key: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\n       bucket: com.sample.keys\n       path: key.aes\n```\n\n## Build\n\n```\n$ ./gradlew gem  # -t to watch change of files and rebuild continuously\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fembulk%2Fembulk-filter-decrypt","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fembulk%2Fembulk-filter-decrypt","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fembulk%2Fembulk-filter-decrypt/lists"}