Sigv4a

npm install @aws-sdk/signature-v4-crt

import "@aws-sdk/signature-v4-crt"; // side-effect import only — registers itself
import { S3Client, PutObjectCommand } from "@aws-sdk/client-s3";

const client = new S3Client({ region: "us-east-1" });
await client.send(new PutObjectCommand({
  Bucket: "arn:aws:s3::123456789012:accesspoint/mfzwi23gnjvgw.mrap",
  Key: "my-key",
  Body: "hello",
}));

npm install @aws-sdk/signature-v4a

import "@aws-sdk/signature-v4a"; // side-effect import only — registers itself
import { S3Client, PutObjectCommand } from "@aws-sdk/client-s3";

const client = new S3Client({ region: "us-east-1" });
// same usage as above