template-saas/apps/backend/node_modules/@aws-sdk/signature-v4-multi-region/README.md
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[SIMCO-V38] feat: Actualizar a SIMCO v3.8.0
- HERENCIA-SIMCO.md actualizado con directivas v3.7 y v3.8
- Actualizaciones de configuracion

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-10 08:53:08 -06:00

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# @aws-sdk/signature-v4-multi-region
[![NPM version](https://img.shields.io/npm/v/@aws-sdk/signature-v4-multi-region/latest.svg)](https://www.npmjs.com/package/@aws-sdk/signature-v4-multi-region)
[![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/signature-v4-multi-region.svg)](https://www.npmjs.com/package/@aws-sdk/signature-v4-multi-region)
See also https://github.com/aws/aws-sdk-js-v3/tree/main#functionality-requiring-aws-common-runtime-crt.
## Usage
This package contains optional dependency [`@aws-sdk/signature-v4-crt`](https://www.npmjs.com/package/@aws-sdk/signature-v4).
You need to install this package explicitly to sign an un-regional request using SigV4a algorithm. The package contains
Node.js native implementation which requires building at installation. The installed package MAY NOT work if the
instance building the package runs a different operating system than the instance running the application.
The `@aws-sdk/signature-v4-crt` is only supported in Node.js currently because it depends on a native dependency.
Please refer to [this issue](https://github.com/aws/aws-sdk-js-v3/issues/2822) for more information.
Note: You can also use a native JS (non-CRT) implementation of the SigV4A signer, instructions for which are here:
https://github.com/aws/aws-sdk-js-v3/tree/main#functionality-requiring-aws-common-runtime-crt
Please refer to the note regarding bundle size in the link above, before deciding to use the JS SigV4A signer (including in browsers).
## Description
This package provides a SigV4-compatible request signer that wraps a pure-JS SigV4 signer
([`@aws-sdk/signature-v4`](https://www.npmjs.com/package/@aws-sdk/signature-v4)) for regional requests, and attempts to
call a native implementation of SigV4a signer([`@aws-sdk/signature-v4-crt`](https://www.npmjs.com/package/@aws-sdk/signature-v4))
it the request is multi-region.
A multi-region request is identified by the `signingRegion` parameter. A request is multi-region if the `signingRegion`
parameter is set to `*`.