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6dfa998f | 1 | /* |
da1c088f | 2 | * Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved. |
6dfa998f ČK |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | * | |
9 | * RFC 9106 Argon2 (see https://www.rfc-editor.org/rfc/rfc9106.txt) | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <stdlib.h> | |
14 | #include <stddef.h> | |
6dfa998f | 15 | #include <stdarg.h> |
6dfa998f | 16 | #include <string.h> |
46ce0854 | 17 | #include <openssl/e_os2.h> |
6dfa998f ČK |
18 | #include <openssl/evp.h> |
19 | #include <openssl/objects.h> | |
20 | #include <openssl/crypto.h> | |
21 | #include <openssl/kdf.h> | |
22 | #include <openssl/err.h> | |
23 | #include <openssl/core_names.h> | |
24 | #include <openssl/params.h> | |
25 | #include <openssl/thread.h> | |
46ce0854 | 26 | #include <openssl/proverr.h> |
6dfa998f ČK |
27 | #include "internal/thread.h" |
28 | #include "internal/numbers.h" | |
29 | #include "internal/endian.h" | |
46ce0854 | 30 | #include "crypto/evp.h" |
6dfa998f | 31 | #include "prov/implementations.h" |
6dfa998f ČK |
32 | #include "prov/provider_ctx.h" |
33 | #include "prov/providercommon.h" | |
34 | #include "prov/blake2.h" | |
35 | ||
36 | #if defined(OPENSSL_NO_DEFAULT_THREAD_POOL) && defined(OPENSSL_NO_THREAD_POOL) | |
37 | # define ARGON2_NO_THREADS | |
38 | #endif | |
39 | ||
40 | #if !defined(OPENSSL_THREADS) | |
41 | # define ARGON2_NO_THREADS | |
42 | #endif | |
43 | ||
44 | #ifndef OPENSSL_NO_ARGON2 | |
45 | ||
46 | # define ARGON2_MIN_LANES 1u | |
47 | # define ARGON2_MAX_LANES 0xFFFFFFu | |
48 | # define ARGON2_MIN_THREADS 1u | |
49 | # define ARGON2_MAX_THREADS 0xFFFFFFu | |
50 | # define ARGON2_SYNC_POINTS 4u | |
51 | # define ARGON2_MIN_OUT_LENGTH 4u | |
52 | # define ARGON2_MAX_OUT_LENGTH 0xFFFFFFFFu | |
53 | # define ARGON2_MIN_MEMORY (2 * ARGON2_SYNC_POINTS) | |
54 | # define ARGON2_MIN(a, b) ((a) < (b) ? (a) : (b)) | |
55 | # define ARGON2_MAX_MEMORY 0xFFFFFFFFu | |
56 | # define ARGON2_MIN_TIME 1u | |
57 | # define ARGON2_MAX_TIME 0xFFFFFFFFu | |
58 | # define ARGON2_MIN_PWD_LENGTH 0u | |
59 | # define ARGON2_MAX_PWD_LENGTH 0xFFFFFFFFu | |
60 | # define ARGON2_MIN_AD_LENGTH 0u | |
61 | # define ARGON2_MAX_AD_LENGTH 0xFFFFFFFFu | |
62 | # define ARGON2_MIN_SALT_LENGTH 8u | |
63 | # define ARGON2_MAX_SALT_LENGTH 0xFFFFFFFFu | |
64 | # define ARGON2_MIN_SECRET 0u | |
65 | # define ARGON2_MAX_SECRET 0xFFFFFFFFu | |
66 | # define ARGON2_BLOCK_SIZE 1024 | |
67 | # define ARGON2_QWORDS_IN_BLOCK ((ARGON2_BLOCK_SIZE) / 8) | |
68 | # define ARGON2_OWORDS_IN_BLOCK ((ARGON2_BLOCK_SIZE) / 16) | |
69 | # define ARGON2_HWORDS_IN_BLOCK ((ARGON2_BLOCK_SIZE) / 32) | |
70 | # define ARGON2_512BIT_WORDS_IN_BLOCK ((ARGON2_BLOCK_SIZE) / 64) | |
71 | # define ARGON2_ADDRESSES_IN_BLOCK 128 | |
72 | # define ARGON2_PREHASH_DIGEST_LENGTH 64 | |
73 | # define ARGON2_PREHASH_SEED_LENGTH \ | |
74 | (ARGON2_PREHASH_DIGEST_LENGTH + (2 * sizeof(uint32_t))) | |
75 | ||
76 | # define ARGON2_DEFAULT_OUTLEN 64u | |
77 | # define ARGON2_DEFAULT_T_COST 3u | |
78 | # define ARGON2_DEFAULT_M_COST ARGON2_MIN_MEMORY | |
79 | # define ARGON2_DEFAULT_LANES 1u | |
80 | # define ARGON2_DEFAULT_THREADS 1u | |
81 | # define ARGON2_DEFAULT_VERSION ARGON2_VERSION_NUMBER | |
82 | ||
83 | # undef G | |
84 | # define G(a, b, c, d) \ | |
85 | do { \ | |
86 | a = a + b + 2 * mul_lower(a, b); \ | |
87 | d = rotr64(d ^ a, 32); \ | |
88 | c = c + d + 2 * mul_lower(c, d); \ | |
89 | b = rotr64(b ^ c, 24); \ | |
90 | a = a + b + 2 * mul_lower(a, b); \ | |
91 | d = rotr64(d ^ a, 16); \ | |
92 | c = c + d + 2 * mul_lower(c, d); \ | |
93 | b = rotr64(b ^ c, 63); \ | |
94 | } while ((void)0, 0) | |
95 | ||
96 | # undef PERMUTATION_P | |
97 | # define PERMUTATION_P(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, \ | |
98 | v12, v13, v14, v15) \ | |
99 | do { \ | |
100 | G(v0, v4, v8, v12); \ | |
101 | G(v1, v5, v9, v13); \ | |
102 | G(v2, v6, v10, v14); \ | |
103 | G(v3, v7, v11, v15); \ | |
104 | G(v0, v5, v10, v15); \ | |
105 | G(v1, v6, v11, v12); \ | |
106 | G(v2, v7, v8, v13); \ | |
107 | G(v3, v4, v9, v14); \ | |
108 | } while ((void)0, 0) | |
109 | ||
110 | # undef PERMUTATION_P_COLUMN | |
111 | # define PERMUTATION_P_COLUMN(x, i) \ | |
112 | do { \ | |
113 | uint64_t *base = &x[16 * i]; \ | |
114 | PERMUTATION_P( \ | |
115 | *base, *(base + 1), *(base + 2), *(base + 3), \ | |
116 | *(base + 4), *(base + 5), *(base + 6), *(base + 7), \ | |
117 | *(base + 8), *(base + 9), *(base + 10), *(base + 11), \ | |
118 | *(base + 12), *(base + 13), *(base + 14), *(base + 15) \ | |
119 | ); \ | |
120 | } while ((void)0, 0) | |
121 | ||
122 | # undef PERMUTATION_P_ROW | |
123 | # define PERMUTATION_P_ROW(x, i) \ | |
124 | do { \ | |
125 | uint64_t *base = &x[2 * i]; \ | |
126 | PERMUTATION_P( \ | |
127 | *base, *(base + 1), *(base + 16), *(base + 17), \ | |
128 | *(base + 32), *(base + 33), *(base + 48), *(base + 49), \ | |
129 | *(base + 64), *(base + 65), *(base + 80), *(base + 81), \ | |
130 | *(base + 96), *(base + 97), *(base + 112), *(base + 113) \ | |
131 | ); \ | |
132 | } while ((void)0, 0) | |
133 | ||
134 | typedef struct { | |
135 | uint64_t v[ARGON2_QWORDS_IN_BLOCK]; | |
136 | } BLOCK; | |
137 | ||
138 | typedef enum { | |
139 | ARGON2_VERSION_10 = 0x10, | |
140 | ARGON2_VERSION_13 = 0x13, | |
141 | ARGON2_VERSION_NUMBER = ARGON2_VERSION_13 | |
142 | } ARGON2_VERSION; | |
143 | ||
144 | typedef enum { | |
145 | ARGON2_D = 0, | |
146 | ARGON2_I = 1, | |
147 | ARGON2_ID = 2 | |
148 | } ARGON2_TYPE; | |
149 | ||
150 | typedef struct { | |
151 | uint32_t pass; | |
152 | uint32_t lane; | |
153 | uint8_t slice; | |
154 | uint32_t index; | |
155 | } ARGON2_POS; | |
156 | ||
157 | typedef struct { | |
158 | void *provctx; | |
6dfa998f ČK |
159 | uint32_t outlen; |
160 | uint8_t *pwd; | |
161 | uint32_t pwdlen; | |
162 | uint8_t *salt; | |
163 | uint32_t saltlen; | |
164 | uint8_t *secret; | |
165 | uint32_t secretlen; | |
166 | uint8_t *ad; | |
167 | uint32_t adlen; | |
168 | uint32_t t_cost; | |
169 | uint32_t m_cost; | |
170 | uint32_t lanes; | |
171 | uint32_t threads; | |
172 | uint32_t version; | |
173 | uint32_t early_clean; | |
174 | ARGON2_TYPE type; | |
175 | BLOCK *memory; | |
176 | uint32_t passes; | |
177 | uint32_t memory_blocks; | |
178 | uint32_t segment_length; | |
179 | uint32_t lane_length; | |
180 | OSSL_LIB_CTX *libctx; | |
181 | EVP_MD *md; | |
182 | EVP_MAC *mac; | |
183 | char *propq; | |
184 | } KDF_ARGON2; | |
185 | ||
186 | typedef struct { | |
187 | ARGON2_POS pos; | |
188 | KDF_ARGON2 *ctx; | |
189 | } ARGON2_THREAD_DATA; | |
190 | ||
191 | static OSSL_FUNC_kdf_newctx_fn kdf_argon2i_new; | |
192 | static OSSL_FUNC_kdf_newctx_fn kdf_argon2d_new; | |
193 | static OSSL_FUNC_kdf_newctx_fn kdf_argon2id_new; | |
194 | static OSSL_FUNC_kdf_freectx_fn kdf_argon2_free; | |
195 | static OSSL_FUNC_kdf_reset_fn kdf_argon2_reset; | |
196 | static OSSL_FUNC_kdf_derive_fn kdf_argon2_derive; | |
197 | static OSSL_FUNC_kdf_settable_ctx_params_fn kdf_argon2_settable_ctx_params; | |
198 | static OSSL_FUNC_kdf_set_ctx_params_fn kdf_argon2_set_ctx_params; | |
199 | ||
200 | static void kdf_argon2_init(KDF_ARGON2 *ctx, ARGON2_TYPE t); | |
201 | static void *kdf_argon2d_new(void *provctx); | |
202 | static void *kdf_argon2i_new(void *provctx); | |
203 | static void *kdf_argon2id_new(void *provctx); | |
204 | static void kdf_argon2_free(void *vctx); | |
205 | static int kdf_argon2_derive(void *vctx, unsigned char *out, size_t outlen, | |
206 | const OSSL_PARAM params[]); | |
207 | static void kdf_argon2_reset(void *vctx); | |
208 | static int kdf_argon2_ctx_set_threads(KDF_ARGON2 *ctx, uint32_t threads); | |
209 | static int kdf_argon2_ctx_set_lanes(KDF_ARGON2 *ctx, uint32_t lanes); | |
210 | static int kdf_argon2_ctx_set_t_cost(KDF_ARGON2 *ctx, uint32_t t_cost); | |
211 | static int kdf_argon2_ctx_set_m_cost(KDF_ARGON2 *ctx, uint32_t m_cost); | |
212 | static int kdf_argon2_ctx_set_out_length(KDF_ARGON2 *ctx, uint32_t outlen); | |
213 | static int kdf_argon2_ctx_set_secret(KDF_ARGON2 *ctx, const OSSL_PARAM *p); | |
214 | static int kdf_argon2_ctx_set_pwd(KDF_ARGON2 *ctx, const OSSL_PARAM *p); | |
215 | static int kdf_argon2_ctx_set_salt(KDF_ARGON2 *ctx, const OSSL_PARAM *p); | |
216 | static int kdf_argon2_ctx_set_ad(KDF_ARGON2 *ctx, const OSSL_PARAM *p); | |
217 | static int kdf_argon2_set_ctx_params(void *vctx, const OSSL_PARAM params[]); | |
218 | static int kdf_argon2_get_ctx_params(void *vctx, OSSL_PARAM params[]); | |
219 | static int kdf_argon2_ctx_set_version(KDF_ARGON2 *ctx, uint32_t version); | |
220 | static const OSSL_PARAM *kdf_argon2_settable_ctx_params(ossl_unused void *ctx, | |
221 | ossl_unused void *p_ctx); | |
222 | static const OSSL_PARAM *kdf_argon2_gettable_ctx_params(ossl_unused void *ctx, | |
223 | ossl_unused void *p_ctx); | |
224 | ||
225 | static ossl_inline uint64_t load64(const uint8_t *src); | |
226 | static ossl_inline void store32(uint8_t *dst, uint32_t w); | |
227 | static ossl_inline void store64(uint8_t *dst, uint64_t w); | |
228 | static ossl_inline uint64_t rotr64(const uint64_t w, const unsigned int c); | |
229 | static ossl_inline uint64_t mul_lower(uint64_t x, uint64_t y); | |
230 | ||
231 | static void init_block_value(BLOCK *b, uint8_t in); | |
232 | static void copy_block(BLOCK *dst, const BLOCK *src); | |
233 | static void xor_block(BLOCK *dst, const BLOCK *src); | |
234 | static void load_block(BLOCK *dst, const void *input); | |
235 | static void store_block(void *output, const BLOCK *src); | |
236 | static void fill_first_blocks(uint8_t *blockhash, const KDF_ARGON2 *ctx); | |
237 | static void fill_block(const BLOCK *prev, const BLOCK *ref, BLOCK *next, | |
238 | int with_xor); | |
239 | ||
240 | static void next_addresses(BLOCK *address_block, BLOCK *input_block, | |
241 | const BLOCK *zero_block); | |
242 | static int data_indep_addressing(const KDF_ARGON2 *ctx, uint32_t pass, | |
243 | uint8_t slice); | |
244 | static uint32_t index_alpha(const KDF_ARGON2 *ctx, uint32_t pass, | |
245 | uint8_t slice, uint32_t index, | |
246 | uint32_t pseudo_rand, int same_lane); | |
247 | ||
248 | static void fill_segment(const KDF_ARGON2 *ctx, uint32_t pass, uint32_t lane, | |
249 | uint8_t slice); | |
250 | ||
251 | # if !defined(ARGON2_NO_THREADS) | |
252 | static uint32_t fill_segment_thr(void *thread_data); | |
253 | static int fill_mem_blocks_mt(KDF_ARGON2 *ctx); | |
254 | # endif | |
255 | ||
256 | static int fill_mem_blocks_st(KDF_ARGON2 *ctx); | |
257 | static ossl_inline int fill_memory_blocks(KDF_ARGON2 *ctx); | |
258 | ||
259 | static void initial_hash(uint8_t *blockhash, KDF_ARGON2 *ctx); | |
260 | static int initialize(KDF_ARGON2 *ctx); | |
a901b31e | 261 | static void finalize(const KDF_ARGON2 *ctx, void *out); |
6dfa998f ČK |
262 | |
263 | static int blake2b(EVP_MD *md, EVP_MAC *mac, void *out, size_t outlen, | |
264 | const void *in, size_t inlen, const void *key, | |
265 | size_t keylen); | |
266 | static int blake2b_long(EVP_MD *md, EVP_MAC *mac, unsigned char *out, | |
267 | size_t outlen, const void *in, size_t inlen); | |
268 | ||
269 | static ossl_inline uint64_t load64(const uint8_t *src) | |
270 | { | |
271 | return | |
272 | (((uint64_t)src[0]) << 0) | |
273 | | (((uint64_t)src[1]) << 8) | |
274 | | (((uint64_t)src[2]) << 16) | |
275 | | (((uint64_t)src[3]) << 24) | |
276 | | (((uint64_t)src[4]) << 32) | |
277 | | (((uint64_t)src[5]) << 40) | |
278 | | (((uint64_t)src[6]) << 48) | |
279 | | (((uint64_t)src[7]) << 56); | |
280 | } | |
281 | ||
282 | static ossl_inline void store32(uint8_t *dst, uint32_t w) | |
283 | { | |
284 | dst[0] = (uint8_t)(w >> 0); | |
285 | dst[1] = (uint8_t)(w >> 8); | |
286 | dst[2] = (uint8_t)(w >> 16); | |
287 | dst[3] = (uint8_t)(w >> 24); | |
288 | } | |
289 | ||
290 | static ossl_inline void store64(uint8_t *dst, uint64_t w) | |
291 | { | |
292 | dst[0] = (uint8_t)(w >> 0); | |
293 | dst[1] = (uint8_t)(w >> 8); | |
294 | dst[2] = (uint8_t)(w >> 16); | |
295 | dst[3] = (uint8_t)(w >> 24); | |
296 | dst[4] = (uint8_t)(w >> 32); | |
297 | dst[5] = (uint8_t)(w >> 40); | |
298 | dst[6] = (uint8_t)(w >> 48); | |
299 | dst[7] = (uint8_t)(w >> 56); | |
300 | } | |
301 | ||
302 | static ossl_inline uint64_t rotr64(const uint64_t w, const unsigned int c) | |
303 | { | |
304 | return (w >> c) | (w << (64 - c)); | |
305 | } | |
306 | ||
307 | static ossl_inline uint64_t mul_lower(uint64_t x, uint64_t y) | |
308 | { | |
4b738c1a | 309 | const uint64_t m = 0xFFFFFFFFUL; |
6dfa998f ČK |
310 | return (x & m) * (y & m); |
311 | } | |
312 | ||
313 | static void init_block_value(BLOCK *b, uint8_t in) | |
314 | { | |
315 | memset(b->v, in, sizeof(b->v)); | |
316 | } | |
317 | ||
318 | static void copy_block(BLOCK *dst, const BLOCK *src) | |
319 | { | |
320 | memcpy(dst->v, src->v, sizeof(uint64_t) * ARGON2_QWORDS_IN_BLOCK); | |
321 | } | |
322 | ||
323 | static void xor_block(BLOCK *dst, const BLOCK *src) | |
324 | { | |
325 | int i; | |
326 | ||
327 | for (i = 0; i < ARGON2_QWORDS_IN_BLOCK; ++i) | |
328 | dst->v[i] ^= src->v[i]; | |
329 | } | |
330 | ||
331 | static void load_block(BLOCK *dst, const void *input) | |
332 | { | |
333 | unsigned i; | |
334 | ||
335 | for (i = 0; i < ARGON2_QWORDS_IN_BLOCK; ++i) | |
336 | dst->v[i] = load64((const uint8_t *)input + i * sizeof(dst->v[i])); | |
337 | } | |
338 | ||
339 | static void store_block(void *output, const BLOCK *src) | |
340 | { | |
341 | unsigned i; | |
342 | ||
343 | for (i = 0; i < ARGON2_QWORDS_IN_BLOCK; ++i) | |
344 | store64((uint8_t *)output + i * sizeof(src->v[i]), src->v[i]); | |
345 | } | |
346 | ||
347 | static void fill_first_blocks(uint8_t *blockhash, const KDF_ARGON2 *ctx) | |
348 | { | |
349 | uint32_t l; | |
350 | uint8_t blockhash_bytes[ARGON2_BLOCK_SIZE]; | |
351 | ||
352 | /* | |
353 | * Make the first and second block in each lane as G(H0||0||i) | |
354 | * or G(H0||1||i). | |
355 | */ | |
356 | for (l = 0; l < ctx->lanes; ++l) { | |
357 | store32(blockhash + ARGON2_PREHASH_DIGEST_LENGTH, 0); | |
358 | store32(blockhash + ARGON2_PREHASH_DIGEST_LENGTH + 4, l); | |
359 | blake2b_long(ctx->md, ctx->mac, blockhash_bytes, ARGON2_BLOCK_SIZE, | |
360 | blockhash, ARGON2_PREHASH_SEED_LENGTH); | |
361 | load_block(&ctx->memory[l * ctx->lane_length + 0], | |
362 | blockhash_bytes); | |
363 | store32(blockhash + ARGON2_PREHASH_DIGEST_LENGTH, 1); | |
364 | blake2b_long(ctx->md, ctx->mac, blockhash_bytes, ARGON2_BLOCK_SIZE, | |
365 | blockhash, ARGON2_PREHASH_SEED_LENGTH); | |
366 | load_block(&ctx->memory[l * ctx->lane_length + 1], | |
367 | blockhash_bytes); | |
368 | } | |
369 | OPENSSL_cleanse(blockhash_bytes, ARGON2_BLOCK_SIZE); | |
370 | } | |
371 | ||
372 | static void fill_block(const BLOCK *prev, const BLOCK *ref, | |
373 | BLOCK *next, int with_xor) | |
374 | { | |
375 | BLOCK blockR, tmp; | |
376 | unsigned i; | |
377 | ||
378 | copy_block(&blockR, ref); | |
379 | xor_block(&blockR, prev); | |
380 | copy_block(&tmp, &blockR); | |
381 | ||
382 | if (with_xor) | |
383 | xor_block(&tmp, next); | |
384 | ||
385 | for (i = 0; i < 8; ++i) | |
386 | PERMUTATION_P_COLUMN(blockR.v, i); | |
387 | ||
388 | for (i = 0; i < 8; ++i) | |
389 | PERMUTATION_P_ROW(blockR.v, i); | |
390 | ||
391 | copy_block(next, &tmp); | |
392 | xor_block(next, &blockR); | |
393 | } | |
394 | ||
395 | static void next_addresses(BLOCK *address_block, BLOCK *input_block, | |
396 | const BLOCK *zero_block) | |
397 | { | |
398 | input_block->v[6]++; | |
399 | fill_block(zero_block, input_block, address_block, 0); | |
400 | fill_block(zero_block, address_block, address_block, 0); | |
401 | } | |
402 | ||
403 | static int data_indep_addressing(const KDF_ARGON2 *ctx, uint32_t pass, | |
404 | uint8_t slice) | |
405 | { | |
406 | switch (ctx->type) { | |
407 | case ARGON2_I: | |
408 | return 1; | |
409 | case ARGON2_ID: | |
410 | return (pass == 0) && (slice < ARGON2_SYNC_POINTS / 2); | |
411 | case ARGON2_D: | |
412 | default: | |
413 | return 0; | |
414 | } | |
415 | } | |
416 | ||
417 | /* | |
418 | * Pass 0 (pass = 0): | |
419 | * This lane: all already finished segments plus already constructed blocks | |
420 | * in this segment | |
421 | * Other lanes: all already finished segments | |
422 | * | |
423 | * Pass 1+: | |
424 | * This lane: (SYNC_POINTS - 1) last segments plus already constructed | |
425 | * blocks in this segment | |
426 | * Other lanes: (SYNC_POINTS - 1) last segments | |
427 | */ | |
428 | static uint32_t index_alpha(const KDF_ARGON2 *ctx, uint32_t pass, | |
429 | uint8_t slice, uint32_t index, | |
430 | uint32_t pseudo_rand, int same_lane) | |
431 | { | |
432 | uint32_t ref_area_sz; | |
433 | uint64_t rel_pos; | |
434 | uint32_t start_pos, abs_pos; | |
435 | ||
436 | start_pos = 0; | |
437 | switch (pass) { | |
438 | case 0: | |
439 | if (slice == 0) | |
440 | ref_area_sz = index - 1; | |
441 | else if (same_lane) | |
442 | ref_area_sz = slice * ctx->segment_length + index - 1; | |
443 | else | |
444 | ref_area_sz = slice * ctx->segment_length + | |
445 | ((index == 0) ? (-1) : 0); | |
446 | break; | |
447 | default: | |
448 | if (same_lane) | |
449 | ref_area_sz = ctx->lane_length - ctx->segment_length + index - 1; | |
450 | else | |
451 | ref_area_sz = ctx->lane_length - ctx->segment_length + | |
452 | ((index == 0) ? (-1) : 0); | |
453 | if (slice != ARGON2_SYNC_POINTS - 1) | |
454 | start_pos = (slice + 1) * ctx->segment_length; | |
455 | break; | |
456 | } | |
457 | ||
458 | rel_pos = pseudo_rand; | |
459 | rel_pos = rel_pos * rel_pos >> 32; | |
460 | rel_pos = ref_area_sz - 1 - (ref_area_sz * rel_pos >> 32); | |
461 | abs_pos = (start_pos + rel_pos) % ctx->lane_length; | |
462 | ||
463 | return abs_pos; | |
464 | } | |
465 | ||
466 | static void fill_segment(const KDF_ARGON2 *ctx, uint32_t pass, uint32_t lane, | |
467 | uint8_t slice) | |
468 | { | |
469 | BLOCK *ref_block = NULL, *curr_block = NULL; | |
470 | BLOCK address_block, input_block, zero_block; | |
471 | uint64_t rnd, ref_index, ref_lane; | |
472 | uint32_t prev_offset; | |
473 | uint32_t start_idx; | |
474 | uint32_t j; | |
475 | uint32_t curr_offset; /* Offset of the current block */ | |
476 | ||
477 | memset(&input_block, 0, sizeof(BLOCK)); | |
478 | ||
479 | if (ctx == NULL) | |
480 | return; | |
481 | ||
482 | if (data_indep_addressing(ctx, pass, slice)) { | |
483 | init_block_value(&zero_block, 0); | |
484 | init_block_value(&input_block, 0); | |
485 | ||
486 | input_block.v[0] = pass; | |
487 | input_block.v[1] = lane; | |
488 | input_block.v[2] = slice; | |
489 | input_block.v[3] = ctx->memory_blocks; | |
490 | input_block.v[4] = ctx->passes; | |
491 | input_block.v[5] = ctx->type; | |
492 | } | |
493 | ||
494 | start_idx = 0; | |
495 | ||
496 | /* We've generated the first two blocks. Generate the 1st block of addrs. */ | |
497 | if ((pass == 0) && (slice == 0)) { | |
498 | start_idx = 2; | |
499 | if (data_indep_addressing(ctx, pass, slice)) | |
500 | next_addresses(&address_block, &input_block, &zero_block); | |
501 | } | |
502 | ||
503 | curr_offset = lane * ctx->lane_length + slice * ctx->segment_length | |
504 | + start_idx; | |
505 | ||
506 | if ((curr_offset % ctx->lane_length) == 0) | |
507 | prev_offset = curr_offset + ctx->lane_length - 1; | |
508 | else | |
509 | prev_offset = curr_offset - 1; | |
510 | ||
511 | for (j = start_idx; j < ctx->segment_length; ++j, ++curr_offset, ++prev_offset) { | |
512 | if (curr_offset % ctx->lane_length == 1) | |
513 | prev_offset = curr_offset - 1; | |
514 | ||
515 | /* Taking pseudo-random value from the previous block. */ | |
516 | if (data_indep_addressing(ctx, pass, slice)) { | |
517 | if (j % ARGON2_ADDRESSES_IN_BLOCK == 0) | |
518 | next_addresses(&address_block, &input_block, &zero_block); | |
519 | rnd = address_block.v[j % ARGON2_ADDRESSES_IN_BLOCK]; | |
520 | } else { | |
521 | rnd = ctx->memory[prev_offset].v[0]; | |
522 | } | |
523 | ||
524 | /* Computing the lane of the reference block */ | |
525 | ref_lane = ((rnd >> 32)) % ctx->lanes; | |
526 | /* Can not reference other lanes yet */ | |
527 | if ((pass == 0) && (slice == 0)) | |
528 | ref_lane = lane; | |
529 | ||
530 | /* Computing the number of possible reference block within the lane. */ | |
531 | ref_index = index_alpha(ctx, pass, slice, j, rnd & 0xFFFFFFFF, | |
532 | ref_lane == lane); | |
533 | ||
534 | /* Creating a new block */ | |
535 | ref_block = ctx->memory + ctx->lane_length * ref_lane + ref_index; | |
536 | curr_block = ctx->memory + curr_offset; | |
537 | if (ARGON2_VERSION_10 == ctx->version) { | |
538 | /* Version 1.2.1 and earlier: overwrite, not XOR */ | |
539 | fill_block(ctx->memory + prev_offset, ref_block, curr_block, 0); | |
540 | continue; | |
541 | } | |
542 | ||
543 | fill_block(ctx->memory + prev_offset, ref_block, curr_block, | |
544 | pass == 0 ? 0 : 1); | |
545 | } | |
546 | } | |
547 | ||
548 | # if !defined(ARGON2_NO_THREADS) | |
549 | ||
550 | static uint32_t fill_segment_thr(void *thread_data) | |
551 | { | |
552 | ARGON2_THREAD_DATA *my_data; | |
553 | ||
554 | my_data = (ARGON2_THREAD_DATA *) thread_data; | |
555 | fill_segment(my_data->ctx, my_data->pos.pass, my_data->pos.lane, | |
556 | my_data->pos.slice); | |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
561 | static int fill_mem_blocks_mt(KDF_ARGON2 *ctx) | |
562 | { | |
563 | uint32_t r, s, l, ll; | |
564 | void **t; | |
565 | ARGON2_THREAD_DATA *t_data; | |
566 | ||
567 | t = OPENSSL_zalloc(sizeof(void *)*ctx->lanes); | |
568 | t_data = OPENSSL_zalloc(ctx->lanes * sizeof(ARGON2_THREAD_DATA)); | |
569 | ||
570 | if (t == NULL || t_data == NULL) | |
571 | goto fail; | |
572 | ||
573 | for (r = 0; r < ctx->passes; ++r) { | |
574 | for (s = 0; s < ARGON2_SYNC_POINTS; ++s) { | |
575 | for (l = 0; l < ctx->lanes; ++l) { | |
576 | ARGON2_POS p; | |
577 | if (l >= ctx->threads) { | |
578 | if (ossl_crypto_thread_join(t[l - ctx->threads], NULL) == 0) | |
579 | goto fail; | |
580 | if (ossl_crypto_thread_clean(t[l - ctx->threads]) == 0) | |
581 | goto fail; | |
582 | t[l] = NULL; | |
583 | } | |
584 | ||
585 | p.pass = r; | |
586 | p.lane = l; | |
587 | p.slice = (uint8_t)s; | |
588 | p.index = 0; | |
589 | ||
590 | t_data[l].ctx = ctx; | |
591 | memcpy(&(t_data[l].pos), &p, sizeof(ARGON2_POS)); | |
592 | t[l] = ossl_crypto_thread_start(ctx->libctx, &fill_segment_thr, | |
593 | (void *) &t_data[l]); | |
594 | if (t[l] == NULL) { | |
595 | for (ll = 0; ll < l; ++ll) { | |
596 | if (ossl_crypto_thread_join(t[ll], NULL) == 0) | |
597 | goto fail; | |
598 | if (ossl_crypto_thread_clean(t[ll]) == 0) | |
599 | goto fail; | |
600 | t[ll] = NULL; | |
601 | } | |
602 | goto fail; | |
603 | } | |
604 | } | |
605 | for (l = ctx->lanes - ctx->threads; l < ctx->lanes; ++l) { | |
606 | if (ossl_crypto_thread_join(t[l], NULL) == 0) | |
607 | goto fail; | |
608 | if (ossl_crypto_thread_clean(t[l]) == 0) | |
609 | goto fail; | |
610 | t[l] = NULL; | |
611 | } | |
612 | } | |
613 | } | |
614 | ||
615 | OPENSSL_free(t_data); | |
616 | OPENSSL_free(t); | |
617 | ||
618 | return 1; | |
619 | ||
620 | fail: | |
621 | if (t_data != NULL) | |
622 | OPENSSL_free(t_data); | |
623 | if (t != NULL) | |
624 | OPENSSL_free(t); | |
625 | return 0; | |
626 | } | |
627 | ||
628 | # endif /* !defined(ARGON2_NO_THREADS) */ | |
629 | ||
630 | static int fill_mem_blocks_st(KDF_ARGON2 *ctx) | |
631 | { | |
632 | uint32_t r, s, l; | |
633 | ||
634 | for (r = 0; r < ctx->passes; ++r) | |
635 | for (s = 0; s < ARGON2_SYNC_POINTS; ++s) | |
636 | for (l = 0; l < ctx->lanes; ++l) | |
637 | fill_segment(ctx, r, l, s); | |
638 | return 1; | |
639 | } | |
640 | ||
641 | static ossl_inline int fill_memory_blocks(KDF_ARGON2 *ctx) | |
642 | { | |
643 | # if !defined(ARGON2_NO_THREADS) | |
644 | return ctx->threads == 1 ? fill_mem_blocks_st(ctx) : fill_mem_blocks_mt(ctx); | |
645 | # else | |
646 | return ctx->threads == 1 ? fill_mem_blocks_st(ctx) : 0; | |
647 | # endif | |
648 | } | |
649 | ||
650 | static void initial_hash(uint8_t *blockhash, KDF_ARGON2 *ctx) | |
651 | { | |
652 | EVP_MD_CTX *mdctx; | |
653 | uint8_t value[sizeof(uint32_t)]; | |
654 | unsigned int tmp; | |
655 | uint32_t args[7]; | |
656 | ||
657 | if (ctx == NULL || blockhash == NULL) | |
658 | return; | |
659 | ||
660 | args[0] = ctx->lanes; | |
661 | args[1] = ctx->outlen; | |
662 | args[2] = ctx->m_cost; | |
663 | args[3] = ctx->t_cost; | |
664 | args[4] = ctx->version; | |
665 | args[5] = (uint32_t) ctx->type; | |
666 | args[6] = ctx->pwdlen; | |
667 | ||
668 | mdctx = EVP_MD_CTX_create(); | |
669 | if (mdctx == NULL || EVP_DigestInit_ex(mdctx, ctx->md, NULL) != 1) | |
670 | goto fail; | |
671 | ||
672 | for (tmp = 0; tmp < sizeof(args) / sizeof(uint32_t); ++tmp) { | |
673 | store32((uint8_t *) &value, args[tmp]); | |
674 | if (EVP_DigestUpdate(mdctx, &value, sizeof(value)) != 1) | |
675 | goto fail; | |
676 | } | |
677 | ||
678 | if (ctx->pwd != NULL) { | |
679 | if (EVP_DigestUpdate(mdctx, ctx->pwd, ctx->pwdlen) != 1) | |
680 | goto fail; | |
681 | if (ctx->early_clean) { | |
682 | OPENSSL_cleanse(ctx->pwd, ctx->pwdlen); | |
683 | ctx->pwdlen = 0; | |
684 | } | |
685 | } | |
686 | ||
687 | store32((uint8_t *) &value, ctx->saltlen); | |
688 | ||
689 | if (EVP_DigestUpdate(mdctx, &value, sizeof(value)) != 1) | |
690 | goto fail; | |
691 | ||
692 | if (ctx->salt != NULL) | |
693 | if (EVP_DigestUpdate(mdctx, ctx->salt, ctx->saltlen) != 1) | |
694 | goto fail; | |
695 | ||
696 | store32((uint8_t *) &value, ctx->secretlen); | |
697 | if (EVP_DigestUpdate(mdctx, &value, sizeof(value)) != 1) | |
698 | goto fail; | |
699 | ||
700 | if (ctx->secret != NULL) { | |
701 | if (EVP_DigestUpdate(mdctx, ctx->secret, ctx->secretlen) != 1) | |
702 | goto fail; | |
703 | if (ctx->early_clean) { | |
704 | OPENSSL_cleanse(ctx->secret, ctx->secretlen); | |
705 | ctx->secretlen = 0; | |
706 | } | |
707 | } | |
708 | ||
709 | store32((uint8_t *) &value, ctx->adlen); | |
710 | if (EVP_DigestUpdate(mdctx, &value, sizeof(value)) != 1) | |
711 | goto fail; | |
712 | ||
713 | if (ctx->ad != NULL) | |
714 | if (EVP_DigestUpdate(mdctx, ctx->ad, ctx->adlen) != 1) | |
715 | goto fail; | |
716 | ||
717 | tmp = ARGON2_PREHASH_DIGEST_LENGTH; | |
718 | if (EVP_DigestFinal_ex(mdctx, blockhash, &tmp) != 1) | |
719 | goto fail; | |
720 | ||
721 | fail: | |
722 | EVP_MD_CTX_destroy(mdctx); | |
723 | } | |
724 | ||
725 | static int initialize(KDF_ARGON2 *ctx) | |
726 | { | |
727 | uint8_t blockhash[ARGON2_PREHASH_SEED_LENGTH]; | |
728 | ||
729 | if (ctx == NULL) | |
730 | return 0; | |
731 | ||
732 | if (ctx->memory_blocks * sizeof(BLOCK) / sizeof(BLOCK) != ctx->memory_blocks) | |
733 | return 0; | |
734 | ||
735 | if (ctx->type != ARGON2_D) | |
736 | ctx->memory = OPENSSL_secure_zalloc(ctx->memory_blocks * | |
737 | sizeof(BLOCK)); | |
738 | else | |
739 | ctx->memory = OPENSSL_zalloc(ctx->memory_blocks * | |
740 | sizeof(BLOCK)); | |
741 | ||
742 | if (ctx->memory == NULL) { | |
743 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_MEMORY_SIZE, | |
744 | "cannot allocate required memory"); | |
745 | return 0; | |
746 | } | |
747 | ||
748 | initial_hash(blockhash, ctx); | |
749 | OPENSSL_cleanse(blockhash + ARGON2_PREHASH_DIGEST_LENGTH, | |
750 | ARGON2_PREHASH_SEED_LENGTH - ARGON2_PREHASH_DIGEST_LENGTH); | |
751 | fill_first_blocks(blockhash, ctx); | |
752 | OPENSSL_cleanse(blockhash, ARGON2_PREHASH_SEED_LENGTH); | |
753 | ||
754 | return 1; | |
755 | } | |
756 | ||
a901b31e | 757 | static void finalize(const KDF_ARGON2 *ctx, void *out) |
6dfa998f ČK |
758 | { |
759 | BLOCK blockhash; | |
760 | uint8_t blockhash_bytes[ARGON2_BLOCK_SIZE]; | |
761 | uint32_t last_block_in_lane; | |
762 | uint32_t l; | |
763 | ||
764 | if (ctx == NULL) | |
765 | return; | |
766 | ||
767 | copy_block(&blockhash, ctx->memory + ctx->lane_length - 1); | |
768 | ||
769 | /* XOR the last blocks */ | |
770 | for (l = 1; l < ctx->lanes; ++l) { | |
771 | last_block_in_lane = l * ctx->lane_length + (ctx->lane_length - 1); | |
772 | xor_block(&blockhash, ctx->memory + last_block_in_lane); | |
773 | } | |
774 | ||
775 | /* Hash the result */ | |
776 | store_block(blockhash_bytes, &blockhash); | |
a901b31e | 777 | blake2b_long(ctx->md, ctx->mac, out, ctx->outlen, blockhash_bytes, |
6dfa998f ČK |
778 | ARGON2_BLOCK_SIZE); |
779 | OPENSSL_cleanse(blockhash.v, ARGON2_BLOCK_SIZE); | |
780 | OPENSSL_cleanse(blockhash_bytes, ARGON2_BLOCK_SIZE); | |
781 | ||
782 | if (ctx->type != ARGON2_D) | |
783 | OPENSSL_secure_clear_free(ctx->memory, | |
784 | ctx->memory_blocks * sizeof(BLOCK)); | |
785 | else | |
786 | OPENSSL_clear_free(ctx->memory, | |
787 | ctx->memory_blocks * sizeof(BLOCK)); | |
788 | } | |
789 | ||
790 | static int blake2b_mac(EVP_MAC *mac, void *out, size_t outlen, const void *in, | |
791 | size_t inlen, const void *key, size_t keylen) | |
792 | { | |
793 | int ret = 0; | |
794 | size_t par_n = 0, out_written; | |
795 | EVP_MAC_CTX *ctx = NULL; | |
796 | OSSL_PARAM par[3]; | |
797 | ||
798 | if ((ctx = EVP_MAC_CTX_new(mac)) == NULL) | |
799 | goto fail; | |
800 | ||
801 | par[par_n++] = OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY, | |
802 | (void *) key, keylen); | |
803 | par[par_n++] = OSSL_PARAM_construct_size_t(OSSL_MAC_PARAM_SIZE, &outlen); | |
804 | par[par_n++] = OSSL_PARAM_construct_end(); | |
805 | ||
806 | ret = EVP_MAC_CTX_set_params(ctx, par) == 1 | |
807 | && EVP_MAC_init(ctx, NULL, 0, NULL) == 1 | |
808 | && EVP_MAC_update(ctx, in, inlen) == 1 | |
809 | && EVP_MAC_final(ctx, out, (size_t *) &out_written, outlen) == 1; | |
810 | ||
811 | fail: | |
812 | EVP_MAC_CTX_free(ctx); | |
813 | return ret; | |
814 | } | |
815 | ||
816 | static int blake2b_md(EVP_MD *md, void *out, size_t outlen, const void *in, | |
817 | size_t inlen) | |
818 | { | |
819 | int ret = 0; | |
820 | EVP_MD_CTX *ctx = NULL; | |
821 | OSSL_PARAM par[2]; | |
822 | ||
823 | if ((ctx = EVP_MD_CTX_create()) == NULL) | |
824 | return 0; | |
825 | ||
826 | par[0] = OSSL_PARAM_construct_size_t(OSSL_DIGEST_PARAM_XOFLEN, &outlen); | |
827 | par[1] = OSSL_PARAM_construct_end(); | |
828 | ||
829 | ret = EVP_DigestInit_ex2(ctx, md, par) == 1 | |
830 | && EVP_DigestUpdate(ctx, in, inlen) == 1 | |
831 | && EVP_DigestFinalXOF(ctx, out, outlen) == 1; | |
832 | ||
833 | EVP_MD_CTX_free(ctx); | |
834 | return ret; | |
835 | } | |
836 | ||
837 | static int blake2b(EVP_MD *md, EVP_MAC *mac, void *out, size_t outlen, | |
838 | const void *in, size_t inlen, const void *key, size_t keylen) | |
839 | { | |
840 | if (out == NULL || outlen == 0) | |
841 | return 0; | |
842 | ||
843 | if (key == NULL || keylen == 0) | |
844 | return blake2b_md(md, out, outlen, in, inlen); | |
845 | ||
846 | return blake2b_mac(mac, out, outlen, in, inlen, key, keylen); | |
847 | } | |
848 | ||
849 | static int blake2b_long(EVP_MD *md, EVP_MAC *mac, unsigned char *out, | |
850 | size_t outlen, const void *in, size_t inlen) | |
851 | { | |
852 | int ret = 0; | |
853 | EVP_MD_CTX *ctx = NULL; | |
854 | uint32_t outlen_curr; | |
855 | uint8_t outbuf[BLAKE2B_OUTBYTES]; | |
856 | uint8_t inbuf[BLAKE2B_OUTBYTES]; | |
857 | uint8_t outlen_bytes[sizeof(uint32_t)] = {0}; | |
858 | OSSL_PARAM par[2]; | |
859 | size_t outlen_md; | |
860 | ||
861 | if (out == NULL || outlen == 0) | |
862 | return 0; | |
863 | ||
864 | /* Ensure little-endian byte order */ | |
865 | store32(outlen_bytes, (uint32_t)outlen); | |
866 | ||
867 | if ((ctx = EVP_MD_CTX_create()) == NULL) | |
868 | return 0; | |
869 | ||
870 | outlen_md = (outlen <= BLAKE2B_OUTBYTES) ? outlen : BLAKE2B_OUTBYTES; | |
871 | par[0] = OSSL_PARAM_construct_size_t(OSSL_DIGEST_PARAM_XOFLEN, &outlen_md); | |
872 | par[1] = OSSL_PARAM_construct_end(); | |
873 | ||
874 | ret = EVP_DigestInit_ex2(ctx, md, par) == 1 | |
875 | && EVP_DigestUpdate(ctx, outlen_bytes, sizeof(outlen_bytes)) == 1 | |
876 | && EVP_DigestUpdate(ctx, in, inlen) == 1 | |
877 | && EVP_DigestFinalXOF(ctx, (outlen > BLAKE2B_OUTBYTES) ? outbuf : out, | |
878 | outlen_md) == 1; | |
879 | ||
880 | if (ret == 0) | |
881 | goto fail; | |
882 | ||
883 | if (outlen > BLAKE2B_OUTBYTES) { | |
884 | memcpy(out, outbuf, BLAKE2B_OUTBYTES / 2); | |
885 | out += BLAKE2B_OUTBYTES / 2; | |
886 | outlen_curr = (uint32_t) outlen - BLAKE2B_OUTBYTES / 2; | |
887 | ||
888 | while (outlen_curr > BLAKE2B_OUTBYTES) { | |
889 | memcpy(inbuf, outbuf, BLAKE2B_OUTBYTES); | |
890 | if (blake2b(md, mac, outbuf, BLAKE2B_OUTBYTES, inbuf, | |
891 | BLAKE2B_OUTBYTES, NULL, 0) != 1) | |
892 | goto fail; | |
893 | memcpy(out, outbuf, BLAKE2B_OUTBYTES / 2); | |
894 | out += BLAKE2B_OUTBYTES / 2; | |
895 | outlen_curr -= BLAKE2B_OUTBYTES / 2; | |
896 | } | |
897 | ||
898 | memcpy(inbuf, outbuf, BLAKE2B_OUTBYTES); | |
899 | if (blake2b(md, mac, outbuf, outlen_curr, inbuf, BLAKE2B_OUTBYTES, | |
900 | NULL, 0) != 1) | |
901 | goto fail; | |
902 | memcpy(out, outbuf, outlen_curr); | |
903 | } | |
904 | ret = 1; | |
905 | ||
906 | fail: | |
907 | EVP_MD_CTX_free(ctx); | |
908 | return ret; | |
909 | } | |
910 | ||
911 | static void kdf_argon2_init(KDF_ARGON2 *c, ARGON2_TYPE type) | |
912 | { | |
913 | OSSL_LIB_CTX *libctx; | |
914 | ||
915 | libctx = c->libctx; | |
916 | memset(c, 0, sizeof(*c)); | |
917 | ||
918 | c->libctx = libctx; | |
919 | c->outlen = ARGON2_DEFAULT_OUTLEN; | |
920 | c->t_cost = ARGON2_DEFAULT_T_COST; | |
921 | c->m_cost = ARGON2_DEFAULT_M_COST; | |
922 | c->lanes = ARGON2_DEFAULT_LANES; | |
923 | c->threads = ARGON2_DEFAULT_THREADS; | |
924 | c->version = ARGON2_DEFAULT_VERSION; | |
925 | c->type = type; | |
926 | } | |
927 | ||
928 | static void *kdf_argon2d_new(void *provctx) | |
929 | { | |
930 | KDF_ARGON2 *ctx; | |
931 | ||
932 | if (!ossl_prov_is_running()) | |
933 | return NULL; | |
934 | ||
935 | ctx = OPENSSL_zalloc(sizeof(*ctx)); | |
936 | if (ctx == NULL) { | |
937 | ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); | |
938 | return NULL; | |
939 | } | |
940 | ||
941 | ctx->libctx = PROV_LIBCTX_OF(provctx); | |
942 | ||
943 | kdf_argon2_init(ctx, ARGON2_D); | |
944 | return ctx; | |
945 | } | |
946 | ||
947 | static void *kdf_argon2i_new(void *provctx) | |
948 | { | |
949 | KDF_ARGON2 *ctx; | |
950 | ||
951 | if (!ossl_prov_is_running()) | |
952 | return NULL; | |
953 | ||
954 | ctx = OPENSSL_zalloc(sizeof(*ctx)); | |
955 | if (ctx == NULL) { | |
956 | ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); | |
957 | return NULL; | |
958 | } | |
959 | ||
960 | ctx->libctx = PROV_LIBCTX_OF(provctx); | |
961 | ||
962 | kdf_argon2_init(ctx, ARGON2_I); | |
963 | return ctx; | |
964 | } | |
965 | ||
966 | static void *kdf_argon2id_new(void *provctx) | |
967 | { | |
968 | KDF_ARGON2 *ctx; | |
969 | ||
970 | if (!ossl_prov_is_running()) | |
971 | return NULL; | |
972 | ||
973 | ctx = OPENSSL_zalloc(sizeof(*ctx)); | |
974 | if (ctx == NULL) { | |
975 | ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); | |
976 | return NULL; | |
977 | } | |
978 | ||
979 | ctx->libctx = PROV_LIBCTX_OF(provctx); | |
980 | ||
981 | kdf_argon2_init(ctx, ARGON2_ID); | |
982 | return ctx; | |
983 | } | |
984 | ||
985 | static void kdf_argon2_free(void *vctx) | |
986 | { | |
987 | KDF_ARGON2 *ctx = (KDF_ARGON2 *)vctx; | |
988 | ||
989 | if (ctx == NULL) | |
990 | return; | |
991 | ||
6dfa998f ČK |
992 | if (ctx->pwd != NULL) |
993 | OPENSSL_clear_free(ctx->pwd, ctx->pwdlen); | |
994 | ||
995 | if (ctx->salt != NULL) | |
996 | OPENSSL_clear_free(ctx->salt, ctx->saltlen); | |
997 | ||
998 | if (ctx->secret != NULL) | |
999 | OPENSSL_clear_free(ctx->secret, ctx->secretlen); | |
1000 | ||
1001 | if (ctx->ad != NULL) | |
1002 | OPENSSL_clear_free(ctx->ad, ctx->adlen); | |
1003 | ||
a901b31e TM |
1004 | EVP_MD_free(ctx->md); |
1005 | EVP_MAC_free(ctx->mac); | |
1006 | ||
6dfa998f ČK |
1007 | OPENSSL_free(ctx->propq); |
1008 | ||
1009 | memset(ctx, 0, sizeof(*ctx)); | |
1010 | ||
1011 | OPENSSL_free(ctx); | |
1012 | } | |
1013 | ||
1014 | static int kdf_argon2_derive(void *vctx, unsigned char *out, size_t outlen, | |
1015 | const OSSL_PARAM params[]) | |
1016 | { | |
1017 | KDF_ARGON2 *ctx; | |
1018 | uint32_t memory_blocks, segment_length; | |
1019 | ||
1020 | ctx = (KDF_ARGON2 *)vctx; | |
1021 | ||
1022 | if (!ossl_prov_is_running() || !kdf_argon2_set_ctx_params(vctx, params)) | |
1023 | return 0; | |
1024 | ||
a901b31e TM |
1025 | if (ctx->mac == NULL) |
1026 | ctx->mac = EVP_MAC_fetch(ctx->libctx, "blake2bmac", ctx->propq); | |
6dfa998f | 1027 | if (ctx->mac == NULL) { |
6dfa998f ČK |
1028 | ERR_raise_data(ERR_LIB_PROV, PROV_R_MISSING_MAC, |
1029 | "cannot fetch blake2bmac"); | |
1030 | return 0; | |
1031 | } | |
1032 | ||
a901b31e TM |
1033 | if (ctx->md == NULL) |
1034 | ctx->md = EVP_MD_fetch(ctx->libctx, "blake2b512", ctx->propq); | |
6dfa998f | 1035 | if (ctx->md == NULL) { |
6dfa998f | 1036 | ERR_raise_data(ERR_LIB_PROV, PROV_R_MISSING_MESSAGE_DIGEST, |
eb4129e1 | 1037 | "cannot fetch blake2b512"); |
7c45b7cb | 1038 | return 0; |
6dfa998f ČK |
1039 | } |
1040 | ||
1041 | if (ctx->salt == NULL || ctx->saltlen == 0) { | |
1042 | ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_SALT); | |
a901b31e | 1043 | return 0; |
6dfa998f ČK |
1044 | } |
1045 | ||
1046 | if (outlen != ctx->outlen) { | |
1047 | if (OSSL_PARAM_locate((OSSL_PARAM *)params, "size") != NULL) { | |
1048 | ERR_raise(ERR_LIB_PROV, PROV_R_OUTPUT_BUFFER_TOO_SMALL); | |
a901b31e | 1049 | return 0; |
6dfa998f | 1050 | } |
a901b31e TM |
1051 | if (!kdf_argon2_ctx_set_out_length(ctx, (uint32_t) outlen)) |
1052 | return 0; | |
6dfa998f ČK |
1053 | } |
1054 | ||
1055 | switch (ctx->type) { | |
1056 | case ARGON2_D: | |
1057 | case ARGON2_I: | |
1058 | case ARGON2_ID: | |
1059 | break; | |
1060 | default: | |
1061 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_MODE, "invalid Argon2 type"); | |
a901b31e | 1062 | return 0; |
6dfa998f ČK |
1063 | } |
1064 | ||
1065 | if (ctx->threads > 1) { | |
1066 | # ifdef ARGON2_NO_THREADS | |
1067 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_THREAD_POOL_SIZE, | |
1068 | "requested %u threads, single-threaded mode supported only", | |
1069 | ctx->threads); | |
a901b31e | 1070 | return 0; |
6dfa998f ČK |
1071 | # else |
1072 | if (ctx->threads > ossl_get_avail_threads(ctx->libctx)) { | |
1073 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_THREAD_POOL_SIZE, | |
1074 | "requested %u threads, available: 1", | |
1075 | ossl_get_avail_threads(ctx->libctx)); | |
a901b31e | 1076 | return 0; |
6dfa998f ČK |
1077 | } |
1078 | # endif | |
1079 | if (ctx->threads > ctx->lanes) { | |
1080 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_THREAD_POOL_SIZE, | |
1081 | "requested more threads (%u) than lanes (%u)", | |
1082 | ctx->threads, ctx->lanes); | |
a901b31e | 1083 | return 0; |
6dfa998f ČK |
1084 | } |
1085 | } | |
1086 | ||
1087 | if (ctx->m_cost < 8 * ctx->lanes) { | |
1088 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_MEMORY_SIZE, | |
1089 | "m_cost must be greater or equal than 8 times the number of lanes"); | |
a901b31e | 1090 | return 0; |
6dfa998f ČK |
1091 | } |
1092 | ||
6dfa998f ČK |
1093 | memory_blocks = ctx->m_cost; |
1094 | if (memory_blocks < 2 * ARGON2_SYNC_POINTS * ctx->lanes) | |
1095 | memory_blocks = 2 * ARGON2_SYNC_POINTS * ctx->lanes; | |
1096 | ||
1097 | /* Ensure that all segments have equal length */ | |
1098 | segment_length = memory_blocks / (ctx->lanes * ARGON2_SYNC_POINTS); | |
1099 | memory_blocks = segment_length * (ctx->lanes * ARGON2_SYNC_POINTS); | |
1100 | ||
1101 | ctx->memory = NULL; | |
1102 | ctx->memory_blocks = memory_blocks; | |
1103 | ctx->segment_length = segment_length; | |
1104 | ctx->passes = ctx->t_cost; | |
1105 | ctx->lane_length = segment_length * ARGON2_SYNC_POINTS; | |
1106 | ||
1107 | if (initialize(ctx) != 1) | |
a901b31e | 1108 | return 0; |
6dfa998f ČK |
1109 | |
1110 | if (fill_memory_blocks(ctx) != 1) | |
a901b31e | 1111 | return 0; |
6dfa998f | 1112 | |
a901b31e | 1113 | finalize(ctx, out); |
6dfa998f ČK |
1114 | |
1115 | return 1; | |
6dfa998f ČK |
1116 | } |
1117 | ||
1118 | static void kdf_argon2_reset(void *vctx) | |
1119 | { | |
1120 | OSSL_LIB_CTX *libctx; | |
1121 | KDF_ARGON2 *ctx; | |
1122 | ARGON2_TYPE type; | |
1123 | ||
1124 | ctx = (KDF_ARGON2 *) vctx; | |
1125 | type = ctx->type; | |
1126 | libctx = ctx->libctx; | |
1127 | ||
a901b31e TM |
1128 | EVP_MD_free(ctx->md); |
1129 | EVP_MAC_free(ctx->mac); | |
1130 | ||
1131 | OPENSSL_free(ctx->propq); | |
6dfa998f ČK |
1132 | |
1133 | if (ctx->pwd != NULL) | |
1134 | OPENSSL_clear_free(ctx->pwd, ctx->pwdlen); | |
1135 | ||
1136 | if (ctx->salt != NULL) | |
1137 | OPENSSL_clear_free(ctx->salt, ctx->saltlen); | |
1138 | ||
1139 | if (ctx->secret != NULL) | |
1140 | OPENSSL_clear_free(ctx->secret, ctx->secretlen); | |
1141 | ||
1142 | if (ctx->ad != NULL) | |
1143 | OPENSSL_clear_free(ctx->ad, ctx->adlen); | |
1144 | ||
1145 | memset(ctx, 0, sizeof(*ctx)); | |
1146 | ctx->libctx = libctx; | |
1147 | kdf_argon2_init(ctx, type); | |
1148 | } | |
1149 | ||
1150 | static int kdf_argon2_ctx_set_threads(KDF_ARGON2 *ctx, uint32_t threads) | |
1151 | { | |
1152 | if (threads < ARGON2_MIN_THREADS) { | |
1153 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_THREAD_POOL_SIZE, | |
1154 | "min threads: %u", ARGON2_MIN_THREADS); | |
1155 | return 0; | |
1156 | } | |
1157 | ||
1158 | if (threads > ARGON2_MAX_THREADS) { | |
1159 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_THREAD_POOL_SIZE, | |
1160 | "max threads: %u", ARGON2_MAX_THREADS); | |
1161 | return 0; | |
1162 | } | |
1163 | ||
1164 | ctx->threads = threads; | |
1165 | return 1; | |
1166 | } | |
1167 | ||
1168 | static int kdf_argon2_ctx_set_lanes(KDF_ARGON2 *ctx, uint32_t lanes) | |
1169 | { | |
1170 | if (lanes > ARGON2_MAX_LANES) { | |
1171 | ERR_raise_data(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER, | |
1172 | "max lanes: %u", ARGON2_MAX_LANES); | |
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | if (lanes < ARGON2_MIN_LANES) { | |
1177 | ERR_raise_data(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER, | |
1178 | "min lanes: %u", ARGON2_MIN_LANES); | |
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | ctx->lanes = lanes; | |
1183 | return 1; | |
1184 | } | |
1185 | ||
1186 | static int kdf_argon2_ctx_set_t_cost(KDF_ARGON2 *ctx, uint32_t t_cost) | |
1187 | { | |
1188 | /* ARGON2_MAX_MEMORY == max m_cost value, skip check, enforce type */ | |
1189 | ossl_static_assert_type_eq(uint32_t, t_cost); | |
1190 | ||
1191 | if (t_cost < ARGON2_MIN_TIME) { | |
1192 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_ITERATION_COUNT, | |
1193 | "min: %u", ARGON2_MIN_TIME); | |
1194 | return 0; | |
1195 | } | |
1196 | ||
1197 | ctx->t_cost = t_cost; | |
1198 | return 1; | |
1199 | } | |
1200 | ||
1201 | static int kdf_argon2_ctx_set_m_cost(KDF_ARGON2 *ctx, uint32_t m_cost) | |
1202 | { | |
1203 | /* ARGON2_MAX_MEMORY == max m_cost value, skip check, enforce type */ | |
1204 | ossl_static_assert_type_eq(uint32_t, m_cost); | |
1205 | ||
1206 | if (m_cost < ARGON2_MIN_MEMORY) { | |
1207 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_MEMORY_SIZE, "min: %u", | |
1208 | ARGON2_MIN_MEMORY); | |
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | ctx->m_cost = m_cost; | |
1213 | return 1; | |
1214 | } | |
1215 | ||
1216 | static int kdf_argon2_ctx_set_out_length(KDF_ARGON2 *ctx, uint32_t outlen) | |
1217 | { | |
1218 | /* | |
1219 | * ARGON2_MAX_OUT_LENGTH == max outlen value, so upper bounds checks | |
1220 | * are always satisfied; to suppress compiler if statement tautology | |
1221 | * warnings, these checks are skipped; however, to ensure that these | |
1222 | * limits are met and implementation conforming to Argon2 RFC, we need | |
1223 | * to fix the type | |
1224 | */ | |
1225 | ossl_static_assert_type_eq(uint32_t, outlen); | |
1226 | ||
1227 | if (outlen < ARGON2_MIN_OUT_LENGTH) { | |
1228 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_OUTPUT_LENGTH, "min: %u", | |
1229 | ARGON2_MIN_OUT_LENGTH); | |
1230 | return 0; | |
1231 | } | |
1232 | ||
1233 | ctx->outlen = outlen; | |
1234 | return 1; | |
1235 | } | |
1236 | ||
1237 | static int kdf_argon2_ctx_set_secret(KDF_ARGON2 *ctx, const OSSL_PARAM *p) | |
1238 | { | |
1239 | size_t buflen; | |
1240 | ||
1241 | if (p->data == NULL) | |
1242 | return 0; | |
1243 | ||
1244 | if (ctx->secret != NULL) { | |
1245 | OPENSSL_clear_free(ctx->secret, ctx->secretlen); | |
1246 | ctx->secret = NULL; | |
1247 | ctx->secretlen = 0U; | |
1248 | } | |
1249 | ||
1250 | if (!OSSL_PARAM_get_octet_string(p, (void **)&ctx->secret, 0, &buflen)) | |
1251 | return 0; | |
1252 | ||
1253 | if (buflen > ARGON2_MAX_SECRET) { | |
1254 | OPENSSL_free(ctx->secret); | |
1255 | ctx->secret = NULL; | |
1256 | ctx->secretlen = 0U; | |
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | ctx->secretlen = (uint32_t) buflen; | |
1261 | return 1; | |
1262 | } | |
1263 | ||
1264 | static int kdf_argon2_ctx_set_pwd(KDF_ARGON2 *ctx, const OSSL_PARAM *p) | |
1265 | { | |
1266 | size_t buflen; | |
1267 | ||
1268 | if (p->data == NULL) | |
1269 | return 0; | |
1270 | ||
1271 | if (ctx->pwd != NULL) { | |
1272 | OPENSSL_clear_free(ctx->pwd, ctx->pwdlen); | |
1273 | ctx->pwd = NULL; | |
1274 | ctx->pwdlen = 0U; | |
1275 | } | |
1276 | ||
1277 | if (!OSSL_PARAM_get_octet_string(p, (void **)&ctx->pwd, 0, &buflen)) | |
1278 | return 0; | |
1279 | ||
1280 | if (buflen > ARGON2_MAX_PWD_LENGTH) { | |
1281 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_SALT_LENGTH, "max: %u", | |
1282 | ARGON2_MAX_PWD_LENGTH); | |
1283 | goto fail; | |
1284 | } | |
1285 | ||
1286 | ctx->pwdlen = (uint32_t) buflen; | |
1287 | return 1; | |
1288 | ||
1289 | fail: | |
1290 | OPENSSL_free(ctx->pwd); | |
1291 | ctx->pwd = NULL; | |
1292 | ctx->pwdlen = 0U; | |
1293 | return 0; | |
1294 | } | |
1295 | ||
1296 | static int kdf_argon2_ctx_set_salt(KDF_ARGON2 *ctx, const OSSL_PARAM *p) | |
1297 | { | |
1298 | size_t buflen; | |
1299 | ||
1300 | if (p->data == NULL) | |
1301 | return 0; | |
1302 | ||
1303 | if (ctx->salt != NULL) { | |
1304 | OPENSSL_clear_free(ctx->salt, ctx->saltlen); | |
1305 | ctx->salt = NULL; | |
1306 | ctx->saltlen = 0U; | |
1307 | } | |
1308 | ||
1309 | if (!OSSL_PARAM_get_octet_string(p, (void **)&ctx->salt, 0, &buflen)) | |
1310 | return 0; | |
1311 | ||
1312 | if (buflen < ARGON2_MIN_SALT_LENGTH) { | |
1313 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_SALT_LENGTH, "min: %u", | |
1314 | ARGON2_MIN_SALT_LENGTH); | |
1315 | goto fail; | |
1316 | } | |
1317 | ||
1318 | if (buflen > ARGON2_MAX_SALT_LENGTH) { | |
1319 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_SALT_LENGTH, "max: %u", | |
1320 | ARGON2_MAX_SALT_LENGTH); | |
1321 | goto fail; | |
1322 | } | |
1323 | ||
1324 | ctx->saltlen = (uint32_t) buflen; | |
1325 | return 1; | |
1326 | ||
1327 | fail: | |
1328 | OPENSSL_free(ctx->salt); | |
1329 | ctx->salt = NULL; | |
1330 | ctx->saltlen = 0U; | |
1331 | return 0; | |
1332 | } | |
1333 | ||
1334 | static int kdf_argon2_ctx_set_ad(KDF_ARGON2 *ctx, const OSSL_PARAM *p) | |
1335 | { | |
1336 | size_t buflen; | |
1337 | ||
1338 | if (p->data == NULL) | |
1339 | return 0; | |
1340 | ||
1341 | if (ctx->ad != NULL) { | |
1342 | OPENSSL_clear_free(ctx->ad, ctx->adlen); | |
1343 | ctx->ad = NULL; | |
1344 | ctx->adlen = 0U; | |
1345 | } | |
1346 | ||
1347 | if (!OSSL_PARAM_get_octet_string(p, (void **)&ctx->ad, 0, &buflen)) | |
1348 | return 0; | |
1349 | ||
1350 | if (buflen > ARGON2_MAX_AD_LENGTH) { | |
1351 | OPENSSL_free(ctx->ad); | |
1352 | ctx->ad = NULL; | |
1353 | ctx->adlen = 0U; | |
1354 | return 0; | |
1355 | } | |
1356 | ||
1357 | ctx->adlen = (uint32_t) buflen; | |
1358 | return 1; | |
1359 | } | |
1360 | ||
1361 | static void kdf_argon2_ctx_set_flag_early_clean(KDF_ARGON2 *ctx, uint32_t f) | |
1362 | { | |
1363 | ctx->early_clean = !!(f); | |
1364 | } | |
1365 | ||
1366 | static int kdf_argon2_ctx_set_version(KDF_ARGON2 *ctx, uint32_t version) | |
1367 | { | |
1368 | switch (version) { | |
1369 | case ARGON2_VERSION_10: | |
1370 | case ARGON2_VERSION_13: | |
1371 | ctx->version = version; | |
1372 | return 1; | |
1373 | default: | |
1374 | ERR_raise_data(ERR_LIB_PROV, PROV_R_INVALID_MODE, | |
1375 | "invalid Argon2 version"); | |
1376 | return 0; | |
1377 | } | |
1378 | } | |
1379 | ||
1380 | static int set_property_query(KDF_ARGON2 *ctx, const char *propq) | |
1381 | { | |
1382 | OPENSSL_free(ctx->propq); | |
1383 | ctx->propq = NULL; | |
1384 | if (propq != NULL) { | |
1385 | ctx->propq = OPENSSL_strdup(propq); | |
1386 | if (ctx->propq == NULL) | |
1387 | return 0; | |
1388 | } | |
a901b31e TM |
1389 | EVP_MD_free(ctx->md); |
1390 | ctx->md = NULL; | |
1391 | EVP_MAC_free(ctx->mac); | |
1392 | ctx->mac = NULL; | |
6dfa998f ČK |
1393 | return 1; |
1394 | } | |
1395 | ||
1396 | static int kdf_argon2_set_ctx_params(void *vctx, const OSSL_PARAM params[]) | |
1397 | { | |
1398 | const OSSL_PARAM *p; | |
1399 | KDF_ARGON2 *ctx; | |
1400 | uint32_t u32_value; | |
1401 | ||
1402 | if (params == NULL) | |
1403 | return 1; | |
1404 | ||
1405 | ctx = (KDF_ARGON2 *) vctx; | |
1406 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_PASSWORD)) != NULL) | |
1407 | if (!kdf_argon2_ctx_set_pwd(ctx, p)) | |
1408 | return 0; | |
1409 | ||
1410 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_SALT)) != NULL) | |
1411 | if (!kdf_argon2_ctx_set_salt(ctx, p)) | |
1412 | return 0; | |
1413 | ||
1414 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_SECRET)) != NULL) | |
1415 | if (!kdf_argon2_ctx_set_secret(ctx, p)) | |
1416 | return 0; | |
1417 | ||
1418 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_ARGON2_AD)) != NULL) | |
1419 | if (!kdf_argon2_ctx_set_ad(ctx, p)) | |
1420 | return 0; | |
1421 | ||
1422 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_SIZE)) != NULL) { | |
1423 | if (!OSSL_PARAM_get_uint32(p, &u32_value)) | |
1424 | return 0; | |
1425 | if (!kdf_argon2_ctx_set_out_length(ctx, u32_value)) | |
1426 | return 0; | |
1427 | } | |
1428 | ||
1429 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_ITER)) != NULL) { | |
1430 | if (!OSSL_PARAM_get_uint32(p, &u32_value)) | |
1431 | return 0; | |
1432 | if (!kdf_argon2_ctx_set_t_cost(ctx, u32_value)) | |
1433 | return 0; | |
1434 | } | |
1435 | ||
1436 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_THREADS)) != NULL) { | |
1437 | if (!OSSL_PARAM_get_uint32(p, &u32_value)) | |
1438 | return 0; | |
1439 | if (!kdf_argon2_ctx_set_threads(ctx, u32_value)) | |
1440 | return 0; | |
1441 | } | |
1442 | ||
1443 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_ARGON2_LANES)) != NULL) { | |
1444 | if (!OSSL_PARAM_get_uint32(p, &u32_value)) | |
1445 | return 0; | |
1446 | if (!kdf_argon2_ctx_set_lanes(ctx, u32_value)) | |
1447 | return 0; | |
1448 | } | |
1449 | ||
1450 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_ARGON2_MEMCOST)) != NULL) { | |
1451 | if (!OSSL_PARAM_get_uint32(p, &u32_value)) | |
1452 | return 0; | |
1453 | if (!kdf_argon2_ctx_set_m_cost(ctx, u32_value)) | |
1454 | return 0; | |
1455 | } | |
1456 | ||
1457 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_EARLY_CLEAN)) != NULL) { | |
1458 | if (!OSSL_PARAM_get_uint32(p, &u32_value)) | |
1459 | return 0; | |
1460 | kdf_argon2_ctx_set_flag_early_clean(ctx, u32_value); | |
1461 | } | |
1462 | ||
1463 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_ARGON2_VERSION)) != NULL) { | |
1464 | if (!OSSL_PARAM_get_uint32(p, &u32_value)) | |
1465 | return 0; | |
1466 | if (!kdf_argon2_ctx_set_version(ctx, u32_value)) | |
1467 | return 0; | |
1468 | } | |
1469 | ||
1470 | if ((p = OSSL_PARAM_locate_const(params, OSSL_KDF_PARAM_PROPERTIES)) != NULL) { | |
1471 | if (p->data_type != OSSL_PARAM_UTF8_STRING | |
1472 | || !set_property_query(ctx, p->data)) | |
1473 | return 0; | |
1474 | } | |
1475 | ||
1476 | return 1; | |
1477 | } | |
1478 | ||
1479 | static const OSSL_PARAM *kdf_argon2_settable_ctx_params(ossl_unused void *ctx, | |
1480 | ossl_unused void *p_ctx) | |
1481 | { | |
1482 | static const OSSL_PARAM known_settable_ctx_params[] = { | |
1483 | OSSL_PARAM_octet_string(OSSL_KDF_PARAM_PASSWORD, NULL, 0), | |
1484 | OSSL_PARAM_octet_string(OSSL_KDF_PARAM_SALT, NULL, 0), | |
1485 | OSSL_PARAM_octet_string(OSSL_KDF_PARAM_SECRET, NULL, 0), | |
1486 | OSSL_PARAM_octet_string(OSSL_KDF_PARAM_ARGON2_AD, NULL, 0), | |
1487 | OSSL_PARAM_uint32(OSSL_KDF_PARAM_SIZE, NULL), | |
1488 | OSSL_PARAM_uint32(OSSL_KDF_PARAM_ITER, NULL), | |
1489 | OSSL_PARAM_uint32(OSSL_KDF_PARAM_THREADS, NULL), | |
1490 | OSSL_PARAM_uint32(OSSL_KDF_PARAM_ARGON2_LANES, NULL), | |
1491 | OSSL_PARAM_uint32(OSSL_KDF_PARAM_ARGON2_MEMCOST, NULL), | |
1492 | OSSL_PARAM_uint32(OSSL_KDF_PARAM_EARLY_CLEAN, NULL), | |
1493 | OSSL_PARAM_uint32(OSSL_KDF_PARAM_ARGON2_VERSION, NULL), | |
1494 | OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0), | |
1495 | OSSL_PARAM_END | |
1496 | }; | |
1497 | ||
1498 | return known_settable_ctx_params; | |
1499 | } | |
1500 | ||
1501 | static int kdf_argon2_get_ctx_params(void *vctx, OSSL_PARAM params[]) | |
1502 | { | |
1503 | OSSL_PARAM *p; | |
1504 | ||
1505 | (void) vctx; | |
1506 | if ((p = OSSL_PARAM_locate(params, OSSL_KDF_PARAM_SIZE)) != NULL) | |
1507 | return OSSL_PARAM_set_size_t(p, SIZE_MAX); | |
1508 | ||
1509 | return -2; | |
1510 | } | |
1511 | ||
1512 | static const OSSL_PARAM *kdf_argon2_gettable_ctx_params(ossl_unused void *ctx, | |
1513 | ossl_unused void *p_ctx) | |
1514 | { | |
1515 | static const OSSL_PARAM known_gettable_ctx_params[] = { | |
1516 | OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL), | |
1517 | OSSL_PARAM_END | |
1518 | }; | |
1519 | ||
1520 | return known_gettable_ctx_params; | |
1521 | } | |
1522 | ||
1523 | const OSSL_DISPATCH ossl_kdf_argon2i_functions[] = { | |
1524 | { OSSL_FUNC_KDF_NEWCTX, (void(*)(void))kdf_argon2i_new }, | |
1525 | { OSSL_FUNC_KDF_FREECTX, (void(*)(void))kdf_argon2_free }, | |
1526 | { OSSL_FUNC_KDF_RESET, (void(*)(void))kdf_argon2_reset }, | |
1527 | { OSSL_FUNC_KDF_DERIVE, (void(*)(void))kdf_argon2_derive }, | |
1528 | { OSSL_FUNC_KDF_SETTABLE_CTX_PARAMS, | |
1529 | (void(*)(void))kdf_argon2_settable_ctx_params }, | |
1530 | { OSSL_FUNC_KDF_SET_CTX_PARAMS, (void(*)(void))kdf_argon2_set_ctx_params }, | |
1531 | { OSSL_FUNC_KDF_GETTABLE_CTX_PARAMS, | |
1532 | (void(*)(void))kdf_argon2_gettable_ctx_params }, | |
1533 | { OSSL_FUNC_KDF_GET_CTX_PARAMS, (void(*)(void))kdf_argon2_get_ctx_params }, | |
1e6bd31e | 1534 | OSSL_DISPATCH_END |
6dfa998f ČK |
1535 | }; |
1536 | ||
1537 | const OSSL_DISPATCH ossl_kdf_argon2d_functions[] = { | |
1538 | { OSSL_FUNC_KDF_NEWCTX, (void(*)(void))kdf_argon2d_new }, | |
1539 | { OSSL_FUNC_KDF_FREECTX, (void(*)(void))kdf_argon2_free }, | |
1540 | { OSSL_FUNC_KDF_RESET, (void(*)(void))kdf_argon2_reset }, | |
1541 | { OSSL_FUNC_KDF_DERIVE, (void(*)(void))kdf_argon2_derive }, | |
1542 | { OSSL_FUNC_KDF_SETTABLE_CTX_PARAMS, | |
1543 | (void(*)(void))kdf_argon2_settable_ctx_params }, | |
1544 | { OSSL_FUNC_KDF_SET_CTX_PARAMS, (void(*)(void))kdf_argon2_set_ctx_params }, | |
1545 | { OSSL_FUNC_KDF_GETTABLE_CTX_PARAMS, | |
1546 | (void(*)(void))kdf_argon2_gettable_ctx_params }, | |
1547 | { OSSL_FUNC_KDF_GET_CTX_PARAMS, (void(*)(void))kdf_argon2_get_ctx_params }, | |
1e6bd31e | 1548 | OSSL_DISPATCH_END |
6dfa998f ČK |
1549 | }; |
1550 | ||
1551 | const OSSL_DISPATCH ossl_kdf_argon2id_functions[] = { | |
1552 | { OSSL_FUNC_KDF_NEWCTX, (void(*)(void))kdf_argon2id_new }, | |
1553 | { OSSL_FUNC_KDF_FREECTX, (void(*)(void))kdf_argon2_free }, | |
1554 | { OSSL_FUNC_KDF_RESET, (void(*)(void))kdf_argon2_reset }, | |
1555 | { OSSL_FUNC_KDF_DERIVE, (void(*)(void))kdf_argon2_derive }, | |
1556 | { OSSL_FUNC_KDF_SETTABLE_CTX_PARAMS, | |
1557 | (void(*)(void))kdf_argon2_settable_ctx_params }, | |
1558 | { OSSL_FUNC_KDF_SET_CTX_PARAMS, (void(*)(void))kdf_argon2_set_ctx_params }, | |
1559 | { OSSL_FUNC_KDF_GETTABLE_CTX_PARAMS, | |
1560 | (void(*)(void))kdf_argon2_gettable_ctx_params }, | |
1561 | { OSSL_FUNC_KDF_GET_CTX_PARAMS, (void(*)(void))kdf_argon2_get_ctx_params }, | |
1e6bd31e | 1562 | OSSL_DISPATCH_END |
6dfa998f ČK |
1563 | }; |
1564 | ||
1565 | #endif |