frostfs-s3-gw/api/auth/signer/v4asdk2/internal/v4/hmac.go

// This is https://github.com/aws/aws-sdk-go-v2/blob/a2b751d1ba71f59175a41f9cae5f159f1044360f/internal/v4a/internal/v4/hmac.go

package v4

import (
	"crypto/hmac"
	"crypto/sha256"
)

// HMACSHA256 computes a HMAC-SHA256 of data given the provided key.
func HMACSHA256(key []byte, data []byte) []byte {
	hash := hmac.New(sha256.New, key)
	hash.Write(data)
	return hash.Sum(nil)
}