Function rsaHash

command/crypto/key/sign.go:210–241

(ctx *cli.Context)

}

func rsaHash(ctx *cli.Context) (crypto.SignerOpts, error) {
	var h crypto.Hash
	switch strings.ToLower(ctx.String("alg")) {
	case "sha1":
		h = crypto.SHA1
	case "sha224":
		h = crypto.SHA224
	case "sha256", "":
		h = crypto.SHA256
	case "sha384":
		h = crypto.SHA384
	case "sha512":
		h = crypto.SHA512
	case "sha512-224":
		h = crypto.SHA512_224
	case "sha512-256":
		h = crypto.SHA512_256
	case "md5":
		h = crypto.MD5
	default:
		return nil, errors.Errorf("unsupported algorithm %s", ctx.String("alg"))
	}

	if ctx.Bool("pss") {
		return &rsa.PSSOptions{
			SaltLength: rsa.PSSSaltLengthAuto,
			Hash:       h,
		}, nil
	}

	return h, nil
}