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- File
src/OFPBKDF2.h
— part of check-in
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at
2021-05-09 14:45:19
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25 26 27 28 29 30 31 | OF_ASSUME_NONNULL_BEGIN /** @file */ @class OFHMAC; /** | | | | 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 |
OF_ASSUME_NONNULL_BEGIN
/** @file */
@class OFHMAC;
/**
* @brief The parameters for @ref OFPBKDF2.
*/
typedef struct {
/** @brief The HMAC to use to derive a key. */
__unsafe_unretained OFHMAC *HMAC;
/** @brief The number of iterations to perform. */
size_t iterations;
/** @brief The salt to derive a key with. */
const unsigned char *salt;
/** @brief The length of the salt. */
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50 51 52 53 54 55 56 | * @brief The desired length for the derived key. * * @ref key needs to have enough storage. */ size_t keyLength; /** @brief Whether data may be stored in swappable memory. */ bool allowsSwappableMemory; | | | | | 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 |
* @brief The desired length for the derived key.
*
* @ref key needs to have enough storage.
*/
size_t keyLength;
/** @brief Whether data may be stored in swappable memory. */
bool allowsSwappableMemory;
} OFPBKDF2Parameters;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Derives a key from a password and a salt using PBKDF2.
*
* @note This will call @ref OFHMAC::reset on the `HMAC` first, making it
* possible to reuse the `HMAC`, but also meaning all previous results
* from the `HMAC` get invalidated if they have not been copied.
*
* @param parameters The parameters to use
*/
extern void OFPBKDF2(OFPBKDF2Parameters parameters);
#ifdef __cplusplus
}
#endif
OF_ASSUME_NONNULL_END
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