61 lines
1.7 KiB
Objective-C
61 lines
1.7 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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typedef NS_ENUM(NSInteger, AGCryptoErrorCodes) {
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AGCryptoFailedToEncryptError = -101,
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AGCryptoFailedToDecryptError = -102
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};
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extern NSString * const AGCryptoErrorDomain;
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/**
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* Utility class for cryptographic operations
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*/
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@interface AGUtil : NSObject
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/**
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* Append zeros to the message provided.
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*
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* @param n Number of zeros.
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* @param message The provided message.
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*
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* @return An NSData object that holds the result.
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*/
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+ (NSMutableData *)prependZeros:(NSUInteger)n msg:(NSData *)message;
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/**
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* Convert the provided data to hex.
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*
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* @param data The NSData to be converted to hex representation.
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*
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* @return An NSString object with the result of the conversion.
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*/
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+ (NSString *)hexString:(NSData *)data;
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/**
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* Convert the provided hex string to bytes.
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*
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* @param data The hex string to be converted.
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*
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* @return An NSData object with the result of the conversion.
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*/
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+ (NSData *)hexStringToBytes:(NSString *)data;
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@end |