drbg.h (bc0868c62bb13834b20a864f684cced1f84a2412) drbg.h (355912852115cd8aa4ad02c25182ae615ce925fb)
1/*
2 * DRBG based on NIST SP800-90A
3 *
4 * Copyright Stephan Mueller <smueller@chronox.de>, 2014
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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38
39#ifndef _DRBG_H
40#define _DRBG_H
41
42
43#include <linux/random.h>
44#include <linux/scatterlist.h>
45#include <crypto/hash.h>
1/*
2 * DRBG based on NIST SP800-90A
3 *
4 * Copyright Stephan Mueller <smueller@chronox.de>, 2014
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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38
39#ifndef _DRBG_H
40#define _DRBG_H
41
42
43#include <linux/random.h>
44#include <linux/scatterlist.h>
45#include <crypto/hash.h>
46#include <crypto/skcipher.h>
46#include <linux/module.h>
47#include <linux/crypto.h>
48#include <linux/slab.h>
49#include <crypto/internal/rng.h>
50#include <crypto/rng.h>
51#include <linux/fips.h>
52#include <linux/mutex.h>
53#include <linux/list.h>

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110 /* hash: static value 10.1.1.1 1b) hmac / ctr: key */
111 unsigned char *C;
112 /* Number of RNG requests since last reseed -- 10.1.1.1 1c) */
113 size_t reseed_ctr;
114 size_t reseed_threshold;
115 /* some memory the DRBG can use for its operation */
116 unsigned char *scratchpad;
117 void *priv_data; /* Cipher handle */
47#include <linux/module.h>
48#include <linux/crypto.h>
49#include <linux/slab.h>
50#include <crypto/internal/rng.h>
51#include <crypto/rng.h>
52#include <linux/fips.h>
53#include <linux/mutex.h>
54#include <linux/list.h>

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111 /* hash: static value 10.1.1.1 1b) hmac / ctr: key */
112 unsigned char *C;
113 /* Number of RNG requests since last reseed -- 10.1.1.1 1c) */
114 size_t reseed_ctr;
115 size_t reseed_threshold;
116 /* some memory the DRBG can use for its operation */
117 unsigned char *scratchpad;
118 void *priv_data; /* Cipher handle */
119
120 struct crypto_skcipher *ctr_handle; /* CTR mode cipher handle */
121 struct skcipher_request *ctr_req; /* CTR mode request handle */
122 __u8 *ctr_null_value_buf; /* CTR mode unaligned buffer */
123 __u8 *ctr_null_value; /* CTR mode aligned zero buf */
124 struct completion ctr_completion; /* CTR mode async handler */
125 int ctr_async_err; /* CTR mode async error */
126
118 bool seeded; /* DRBG fully seeded? */
119 bool pr; /* Prediction resistance enabled? */
120 struct work_struct seed_work; /* asynchronous seeding support */
121 struct crypto_rng *jent;
122 const struct drbg_state_ops *d_ops;
123 const struct drbg_core *core;
124 struct drbg_string test_data;
125 struct random_ready_callback random_ready;

--- 146 unchanged lines hidden --- 		127 bool seeded; /* DRBG fully seeded? */
128 bool pr; /* Prediction resistance enabled? */
129 struct work_struct seed_work; /* asynchronous seeding support */
130 struct crypto_rng *jent;
131 const struct drbg_state_ops *d_ops;
132 const struct drbg_core *core;
133 struct drbg_string test_data;
134 struct random_ready_callback random_ready;

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