72 lines
2.4 KiB
Objective-C
72 lines
2.4 KiB
Objective-C
/*
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* JBoss, Home of Professional Open Source.
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* Copyright Red Hat, Inc., and individual contributors
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#import <Foundation/Foundation.h>
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#import <libsodium-ios/sodium/crypto_box_curve25519xsalsa20poly1305.h>
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#import "AGKeyPair.h"
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/**
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* Provide public key authenticated encryption via curve25519xsalsa20poly1305
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* (see http://nacl.cr.yp.to/box.html)
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*/
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@interface AGCryptoBox : NSObject
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@property(readonly, nonatomic, strong) NSData *privateKey;
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@property(readonly, nonatomic, strong) NSData *publicKey;
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/**
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* Crypto box default initialization
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*
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* @param keyPair containig public and private keys provided.
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*
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* @return the AGCryptoBox object.
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*/
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- (id)initWithKeyPair:(AGKeyPair *)keyPair;
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/**
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* Crypto box initialization
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*
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* @param publicKey the public encryption key provided.
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* @param privateKey the private encryption key provided.
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*
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* @return the AGCryptoBox object.
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*/
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- (id)initWithKey:(NSData *)publicKey privateKey:(NSData *)privateKey;
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/**
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* Encrypts and authenticates the data object provided given a nonce.
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*
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* @param data The data object to encrypt.
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* @param nonce the cryptographically secure pseudorandom number.
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* @param error If an error occurs, upon return contains an `NSError` object that describes the problem.
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*
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* @return An NSData object that holds the encrypted(cipher) data.
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*/
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- (NSData *)encrypt:(NSData *)data nonce:(NSData *)nonce error:(NSError * __autoreleasing *)error;
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/**
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* Decrypts the data object provided given a nonce.
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*
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* @param data The data object(cipher) to decrypt.
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* @param nonce The cryptographically secure pseudorandom number.
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* @param error If an error occurs, upon return contains an `NSError` object that describes the problem.
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*
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* @return An NSData object that holds the decrypted data.
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*/
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- (NSData *)decrypt:(NSData *)data nonce:(NSData *)nonce error:(NSError * __autoreleasing *)error;
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@end |