private async getSignatureKey()

in src/SigV4RequestSigner.ts [129:134]

• 6 lines of code
• 1 McCabe index (conditional complexity)

    private async getSignatureKey(dateString: string): Promise<ArrayBuffer> {
        const kDate = await SigV4RequestSigner.hmac('AWS4' + this.credentials.secretAccessKey, dateString);
        const kRegion = await SigV4RequestSigner.hmac(kDate, this.region);
        const kService = await SigV4RequestSigner.hmac(kRegion, this.service);
        return await SigV4RequestSigner.hmac(kService, 'aws4_request');
    }