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*/
#import "OFObject.h"
OF_ASSUME_NONNULL_BEGIN
/**
* @protocol OFCryptoHash OFCryptoHash.h ObjFW/OFCryptoHash.h
*
* @brief A protocol for classes providing cryptographic hash functions.
*
* A cryptographic hash implementing this protocol can be copied. The entire
* state is copied, allowing to calculate a new hash from there. This is
* especially useful for generating many hashes with a common prefix.
*/
@protocol OFCryptoHash <OFObject, OFCopying>
#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic) size_t digestSize;
@property (class, readonly, nonatomic) size_t blockSize;
#endif
/**
* @brief The digest size of the cryptographic hash, in bytes.
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*/
#import "OFObject.h"
OF_ASSUME_NONNULL_BEGIN
/**
* @protocol OFCryptographicHash \
* OFCryptographicHash.h ObjFW/OFCryptographicHash.h
*
* @brief A protocol for classes providing cryptographic hash functions.
*
* A cryptographic hash implementing this protocol can be copied. The entire
* state is copied, allowing to calculate a new hash from there. This is
* especially useful for generating many hashes with a common prefix.
*/
@protocol OFCryptographicHash <OFObject, OFCopying>
#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic) size_t digestSize;
@property (class, readonly, nonatomic) size_t blockSize;
#endif
/**
* @brief The digest size of the cryptographic hash, in bytes.
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OF_RETURNS_INNER_POINTER;
/**
* @brief Creates a new cryptographic hash.
*
* @return A new autoreleased cryptographic hash
*/
+ (instancetype)cryptoHashWithAllowsSwappableMemory:
(bool)allowsSwappableMemory;
/**
* @brief Returns the digest size of the cryptographic hash, in bytes.
*
* @return The digest size of the cryptographic hash, in bytes
*/
+ (size_t)digestSize;
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OF_RETURNS_INNER_POINTER;
/**
* @brief Creates a new cryptographic hash.
*
* @return A new autoreleased cryptographic hash
*/
+ (instancetype)hashWithAllowsSwappableMemory: (bool)allowsSwappableMemory;
/**
* @brief Returns the digest size of the cryptographic hash, in bytes.
*
* @return The digest size of the cryptographic hash, in bytes
*/
+ (size_t)digestSize;
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