83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
/*
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Copyright IBM Corp. 2016 All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package bccsp
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import "io"
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// AES128KeyGenOpts contains options for AES key generation at 128 security level
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type AES128KeyGenOpts struct {
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Temporary bool
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}
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// Algorithm returns the key generation algorithm identifier (to be used).
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func (opts *AES128KeyGenOpts) Algorithm() string {
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return AES128
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}
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// Ephemeral returns true if the key to generate has to be ephemeral,
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// false otherwise.
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func (opts *AES128KeyGenOpts) Ephemeral() bool {
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return opts.Temporary
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}
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// AES192KeyGenOpts contains options for AES key generation at 192 security level
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type AES192KeyGenOpts struct {
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Temporary bool
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}
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// Algorithm returns the key generation algorithm identifier (to be used).
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func (opts *AES192KeyGenOpts) Algorithm() string {
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return AES192
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}
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// Ephemeral returns true if the key to generate has to be ephemeral,
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// false otherwise.
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func (opts *AES192KeyGenOpts) Ephemeral() bool {
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return opts.Temporary
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}
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// AES256KeyGenOpts contains options for AES key generation at 256 security level
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type AES256KeyGenOpts struct {
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Temporary bool
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}
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// Algorithm returns the key generation algorithm identifier (to be used).
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func (opts *AES256KeyGenOpts) Algorithm() string {
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return AES256
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}
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// Ephemeral returns true if the key to generate has to be ephemeral,
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// false otherwise.
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func (opts *AES256KeyGenOpts) Ephemeral() bool {
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return opts.Temporary
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}
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// AESCBCPKCS7ModeOpts contains options for AES encryption in CBC mode
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// with PKCS7 padding.
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// Notice that both IV and PRNG can be nil. In that case, the BCCSP implementation
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// is supposed to sample the IV using a cryptographic secure PRNG.
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// Notice also that either IV or PRNG can be different from nil.
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type AESCBCPKCS7ModeOpts struct {
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// IV is the initialization vector to be used by the underlying cipher.
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// The length of IV must be the same as the Block's block size.
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// It is used only if different from nil.
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IV []byte
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// PRNG is an instance of a PRNG to be used by the underlying cipher.
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// It is used only if different from nil.
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PRNG io.Reader
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}
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