lambda password hasher

hashpass.go

package main

import (
	"context"
	"crypto/sha256"
	"encoding/base64"
	"github.com/aws/aws-lambda-go/lambda"
	"golang.org/x/crypto/pbkdf2"
)

type hashRequest struct {
	Password   string `json:"password"`
	Salt       string `json:"salt"`
	Iterations int    `json:"iterations"`
}

type hashResponse struct {
	DK string `json:"dk"`
}

func HandleRequest(ctx context.Context, request hashRequest) (*hashResponse, error) {
	hashed := pbkdf2.Key([]byte(request.Password), []byte(request.Salt), request.Iterations, sha256.Size, sha256.New)

	return &hashResponse{
		DK: base64.StdEncoding.EncodeToString(hashed),
	}, nil
}

func main() {
	lambda.Start(HandleRequest)
}