22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
|
# define __STDC_CONSTANT_MACROS
#endif
#import "macros.h"
OF_ASSUME_NONNULL_BEGIN
/*! @file */
/** @file */
@class OFHMAC;
/*!
/**
* @brief The parameters for @ref of_pbkdf2.
*/
typedef struct of_pbkdf2_parameters_t {
/*! @brief The HMAC to use to derive a key. */
/** @brief The HMAC to use to derive a key. */
OFHMAC *HMAC;
/*! @brief The number of iterations to perform. */
/** @brief The number of iterations to perform. */
size_t iterations;
/*! @brief The salt to derive a key with. */
/** @brief The salt to derive a key with. */
const unsigned char *salt;
/*! @brief The length of the salt. */
/** @brief The length of the salt. */
size_t saltLength;
/*! @brief The password to derive a key from. */
/** @brief The password to derive a key from. */
const char *password;
/*! @brief The length of the password. */
/** @brief The length of the password. */
size_t passwordLength;
/*! @brief The buffer to write the key to. */
/** @brief The buffer to write the key to. */
unsigned char *key;
/*!
/**
* @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. */
/** @brief Whether data may be stored in swappable memory. */
bool allowsSwappableMemory;
} of_pbkdf2_parameters_t;
#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 param The parameters to use
|