429247f407
* [COMPLIANCE] Update Copyright and License Headers * chore: make gen to generate files with copyright headers * chore: update missed copyright headers --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com> Co-authored-by: Justin Nguyen <justin.nguyen@hashicorp.com>
76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
// Copyright IBM Corp. 2020, 2025
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// SPDX-License-Identifier: BUSL-1.1
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package crypto
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// getOpts - iterate the inbound Options and return a struct.
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func getOpts(opt ...Option) (*options, error) {
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opts := getDefaultOptions()
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for _, o := range opt {
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if o != nil {
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if err := o(opts); err != nil {
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return nil, err
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}
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}
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}
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return opts, nil
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}
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// Option - how Options are passed as arguments.
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type Option func(*options) error
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// options = how options are represented
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type options struct {
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withPrefix string
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withPrk []byte
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withEd25519 bool
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withBase64Encoding bool
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withBase58Encoding bool
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}
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func getDefaultOptions() *options {
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return &options{}
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}
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// WithPrefix allows an optional prefix to be specified for the data returned
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func WithPrefix(prefix string) Option {
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return func(o *options) error {
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o.withPrefix = prefix
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return nil
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}
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}
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// WithPrk allows an optional PRK (pseudorandom key) to be specified for an
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// operation. If you're using this option with HmacSha256, you might consider
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// using HmacSha256WithPrk instead.
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func WithPrk(prk []byte) Option {
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return func(o *options) error {
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o.withPrk = prk
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return nil
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}
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}
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// WithEd25519 allows an optional request to use ed25519 during the operation
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func WithEd25519() Option {
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return func(o *options) error {
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o.withEd25519 = true
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return nil
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}
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}
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// WithBase64Encoding allows an optional request to base64 encode the data returned
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func WithBase64Encoding() Option {
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return func(o *options) error {
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o.withBase64Encoding = true
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return nil
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}
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}
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// WithBase58Encoding allows an optional request to base58 encode the data returned
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func WithBase58Encoding() Option {
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return func(o *options) error {
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o.withBase58Encoding = true
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return nil
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}
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}
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