2 * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
11 #include "internal/cryptlib.h"
12 #ifndef OPENSSL_NO_ARIA
13 # include <openssl/evp.h>
14 # include <openssl/modes.h>
15 # include <openssl/rand.h>
16 # include <openssl/rand_drbg.h>
17 # include "internal/aria.h"
18 # include "internal/evp_int.h"
19 # include "modes_lcl.h"
20 # include "evp_locl.h"
22 /* ARIA subkey Structure */
27 /* ARIA GCM context */
32 } ks; /* ARIA subkey to use */
33 int key_set; /* Set if key initialised */
34 int iv_set; /* Set if an iv is set */
36 unsigned char *iv; /* Temporary IV store */
37 int ivlen; /* IV length */
39 int iv_gen; /* It is OK to generate IVs */
40 int tls_aad_len; /* TLS AAD length */
43 /* ARIA CCM context */
48 } ks; /* ARIA key schedule to use */
49 int key_set; /* Set if key initialised */
50 int iv_set; /* Set if an iv is set */
51 int tag_set; /* Set if tag is valid */
52 int len_set; /* Set if message length set */
53 int L, M; /* L and M parameters from RFC3610 */
54 int tls_aad_len; /* TLS AAD length */
59 /* The subkey for ARIA is generated. */
60 static int aria_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
61 const unsigned char *iv, int enc)
64 int mode = EVP_CIPHER_CTX_mode(ctx);
66 if (enc || (mode != EVP_CIPH_ECB_MODE && mode != EVP_CIPH_CBC_MODE))
67 ret = aria_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
68 EVP_CIPHER_CTX_get_cipher_data(ctx));
70 ret = aria_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
71 EVP_CIPHER_CTX_get_cipher_data(ctx));
73 EVPerr(EVP_F_ARIA_INIT_KEY,EVP_R_ARIA_KEY_SETUP_FAILED);
79 static void aria_cbc_encrypt(const unsigned char *in, unsigned char *out,
80 size_t len, const ARIA_KEY *key,
81 unsigned char *ivec, const int enc)
85 CRYPTO_cbc128_encrypt(in, out, len, key, ivec,
86 (block128_f) aria_encrypt);
88 CRYPTO_cbc128_decrypt(in, out, len, key, ivec,
89 (block128_f) aria_encrypt);
92 static void aria_cfb128_encrypt(const unsigned char *in, unsigned char *out,
93 size_t length, const ARIA_KEY *key,
94 unsigned char *ivec, int *num, const int enc)
97 CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
98 (block128_f) aria_encrypt);
101 static void aria_cfb1_encrypt(const unsigned char *in, unsigned char *out,
102 size_t length, const ARIA_KEY *key,
103 unsigned char *ivec, int *num, const int enc)
105 CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc,
106 (block128_f) aria_encrypt);
109 static void aria_cfb8_encrypt(const unsigned char *in, unsigned char *out,
110 size_t length, const ARIA_KEY *key,
111 unsigned char *ivec, int *num, const int enc)
113 CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc,
114 (block128_f) aria_encrypt);
117 static void aria_ecb_encrypt(const unsigned char *in, unsigned char *out,
118 const ARIA_KEY *key, const int enc)
120 aria_encrypt(in, out, key);
123 static void aria_ofb128_encrypt(const unsigned char *in, unsigned char *out,
124 size_t length, const ARIA_KEY *key,
125 unsigned char *ivec, int *num)
127 CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num,
128 (block128_f) aria_encrypt);
131 IMPLEMENT_BLOCK_CIPHER(aria_128, ks, aria, EVP_ARIA_KEY,
132 NID_aria_128, 16, 16, 16, 128,
133 0, aria_init_key, NULL,
134 EVP_CIPHER_set_asn1_iv,
135 EVP_CIPHER_get_asn1_iv,
137 IMPLEMENT_BLOCK_CIPHER(aria_192, ks, aria, EVP_ARIA_KEY,
138 NID_aria_192, 16, 24, 16, 128,
139 0, aria_init_key, NULL,
140 EVP_CIPHER_set_asn1_iv,
141 EVP_CIPHER_get_asn1_iv,
143 IMPLEMENT_BLOCK_CIPHER(aria_256, ks, aria, EVP_ARIA_KEY,
144 NID_aria_256, 16, 32, 16, 128,
145 0, aria_init_key, NULL,
146 EVP_CIPHER_set_asn1_iv,
147 EVP_CIPHER_get_asn1_iv,
150 # define IMPLEMENT_ARIA_CFBR(ksize,cbits) \
151 IMPLEMENT_CFBR(aria,aria,EVP_ARIA_KEY,ks,ksize,cbits,16,0)
152 IMPLEMENT_ARIA_CFBR(128,1)
153 IMPLEMENT_ARIA_CFBR(192,1)
154 IMPLEMENT_ARIA_CFBR(256,1)
155 IMPLEMENT_ARIA_CFBR(128,8)
156 IMPLEMENT_ARIA_CFBR(192,8)
157 IMPLEMENT_ARIA_CFBR(256,8)
159 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
160 static const EVP_CIPHER aria_##keylen##_##mode = { \
161 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
162 flags|EVP_CIPH_##MODE##_MODE, \
164 aria_##mode##_cipher, \
166 sizeof(EVP_ARIA_KEY), \
167 NULL,NULL,NULL,NULL }; \
168 const EVP_CIPHER *EVP_aria_##keylen##_##mode(void) \
169 { return &aria_##keylen##_##mode; }
171 static int aria_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
172 const unsigned char *in, size_t len)
174 unsigned int num = EVP_CIPHER_CTX_num(ctx);
175 EVP_ARIA_KEY *dat = EVP_C_DATA(EVP_ARIA_KEY,ctx);
177 CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
178 EVP_CIPHER_CTX_iv_noconst(ctx),
179 EVP_CIPHER_CTX_buf_noconst(ctx), &num,
180 (block128_f) aria_encrypt);
181 EVP_CIPHER_CTX_set_num(ctx, num);
185 BLOCK_CIPHER_generic(NID_aria, 128, 1, 16, ctr, ctr, CTR, 0)
186 BLOCK_CIPHER_generic(NID_aria, 192, 1, 16, ctr, ctr, CTR, 0)
187 BLOCK_CIPHER_generic(NID_aria, 256, 1, 16, ctr, ctr, CTR, 0)
189 /* Authenticated cipher modes (GCM/CCM) */
191 /* increment counter (64-bit int) by 1 */
192 static void ctr64_inc(unsigned char *counter)
207 static int aria_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
208 const unsigned char *iv, int enc)
211 EVP_ARIA_GCM_CTX *gctx = EVP_C_DATA(EVP_ARIA_GCM_CTX,ctx);
216 ret = aria_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
218 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
219 (block128_f) aria_encrypt);
221 EVPerr(EVP_F_ARIA_GCM_INIT_KEY,EVP_R_ARIA_KEY_SETUP_FAILED);
226 * If we have an iv can set it directly, otherwise use saved IV.
228 if (iv == NULL && gctx->iv_set)
231 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
236 /* If key set use IV, otherwise copy */
238 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
240 memcpy(gctx->iv, iv, gctx->ivlen);
247 static int aria_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
249 EVP_ARIA_GCM_CTX *gctx = EVP_C_DATA(EVP_ARIA_GCM_CTX,c);
255 gctx->ivlen = EVP_CIPHER_CTX_iv_length(c);
256 gctx->iv = EVP_CIPHER_CTX_iv_noconst(c);
259 gctx->tls_aad_len = -1;
262 case EVP_CTRL_AEAD_SET_IVLEN:
265 /* Allocate memory for IV if needed */
266 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
267 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
268 OPENSSL_free(gctx->iv);
269 gctx->iv = OPENSSL_malloc(arg);
270 if (gctx->iv == NULL)
276 case EVP_CTRL_AEAD_SET_TAG:
277 if (arg <= 0 || arg > 16 || EVP_CIPHER_CTX_encrypting(c))
279 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
283 case EVP_CTRL_AEAD_GET_TAG:
284 if (arg <= 0 || arg > 16 || !EVP_CIPHER_CTX_encrypting(c)
287 memcpy(ptr, EVP_CIPHER_CTX_buf_noconst(c), arg);
290 case EVP_CTRL_GCM_SET_IV_FIXED:
291 /* Special case: -1 length restores whole IV */
293 memcpy(gctx->iv, ptr, gctx->ivlen);
298 * Fixed field must be at least 4 bytes and invocation field at least
301 if ((arg < 4) || (gctx->ivlen - arg) < 8)
304 memcpy(gctx->iv, ptr, arg);
305 if (EVP_CIPHER_CTX_encrypting(c)
306 && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
311 case EVP_CTRL_GCM_IV_GEN:
312 if (gctx->iv_gen == 0 || gctx->key_set == 0)
314 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
315 if (arg <= 0 || arg > gctx->ivlen)
317 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
319 * Invocation field will be at least 8 bytes in size and so no need
320 * to check wrap around or increment more than last 8 bytes.
322 ctr64_inc(gctx->iv + gctx->ivlen - 8);
326 case EVP_CTRL_GCM_SET_IV_INV:
327 if (gctx->iv_gen == 0 || gctx->key_set == 0
328 || EVP_CIPHER_CTX_encrypting(c))
330 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
331 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
335 case EVP_CTRL_AEAD_TLS1_AAD:
336 /* Save the AAD for later use */
337 if (arg != EVP_AEAD_TLS1_AAD_LEN)
339 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
340 gctx->tls_aad_len = arg;
343 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
344 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
345 /* Correct length for explicit IV */
346 if (len < EVP_GCM_TLS_EXPLICIT_IV_LEN)
348 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
349 /* If decrypting correct for tag too */
350 if (!EVP_CIPHER_CTX_encrypting(c)) {
351 if (len < EVP_GCM_TLS_TAG_LEN)
353 len -= EVP_GCM_TLS_TAG_LEN;
355 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
356 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
358 /* Extra padding: tag appended to record */
359 return EVP_GCM_TLS_TAG_LEN;
363 EVP_CIPHER_CTX *out = ptr;
364 EVP_ARIA_GCM_CTX *gctx_out = EVP_C_DATA(EVP_ARIA_GCM_CTX,out);
366 if (gctx->gcm.key != &gctx->ks)
368 gctx_out->gcm.key = &gctx_out->ks;
370 if (gctx->iv == EVP_CIPHER_CTX_iv_noconst(c))
371 gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out);
373 gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
374 if (gctx_out->iv == NULL)
376 memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
387 static int aria_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
388 const unsigned char *in, size_t len)
390 EVP_ARIA_GCM_CTX *gctx = EVP_C_DATA(EVP_ARIA_GCM_CTX,ctx);
393 /* Encrypt/decrypt must be performed in place */
395 || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
398 * Set IV from start of buffer or generate IV and write to start of
401 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_encrypting(ctx) ?
402 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
403 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
406 if (CRYPTO_gcm128_aad(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
409 /* Fix buffer and length to point to payload */
410 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
411 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
412 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
413 if (EVP_CIPHER_CTX_encrypting(ctx)) {
414 /* Encrypt payload */
415 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
418 /* Finally write tag */
419 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
420 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
423 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
426 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
427 EVP_GCM_TLS_TAG_LEN);
428 /* If tag mismatch wipe buffer */
429 if (CRYPTO_memcmp(EVP_CIPHER_CTX_buf_noconst(ctx), in + len,
430 EVP_GCM_TLS_TAG_LEN)) {
431 OPENSSL_cleanse(out, len);
439 gctx->tls_aad_len = -1;
443 static int aria_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
444 const unsigned char *in, size_t len)
446 EVP_ARIA_GCM_CTX *gctx = EVP_C_DATA(EVP_ARIA_GCM_CTX,ctx);
448 /* If not set up, return error */
452 if (gctx->tls_aad_len >= 0)
453 return aria_gcm_tls_cipher(ctx, out, in, len);
459 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
461 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
462 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
465 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
470 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
471 if (gctx->taglen < 0)
473 if (CRYPTO_gcm128_finish(&gctx->gcm,
474 EVP_CIPHER_CTX_buf_noconst(ctx),
480 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), 16);
482 /* Don't reuse the IV */
487 static int aria_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
488 const unsigned char *iv, int enc)
491 EVP_ARIA_CCM_CTX *cctx = EVP_C_DATA(EVP_ARIA_CCM_CTX,ctx);
497 ret = aria_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
499 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
500 &cctx->ks, (block128_f) aria_encrypt);
502 EVPerr(EVP_F_ARIA_CCM_INIT_KEY,EVP_R_ARIA_KEY_SETUP_FAILED);
509 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
515 static int aria_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
517 EVP_ARIA_CCM_CTX *cctx = EVP_C_DATA(EVP_ARIA_CCM_CTX,c);
527 cctx->tls_aad_len = -1;
530 case EVP_CTRL_AEAD_TLS1_AAD:
531 /* Save the AAD for later use */
532 if (arg != EVP_AEAD_TLS1_AAD_LEN)
534 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
535 cctx->tls_aad_len = arg;
538 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
539 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
540 /* Correct length for explicit IV */
541 if (len < EVP_CCM_TLS_EXPLICIT_IV_LEN)
543 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
544 /* If decrypting correct for tag too */
545 if (!EVP_CIPHER_CTX_encrypting(c)) {
550 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
551 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
553 /* Extra padding: tag appended to record */
556 case EVP_CTRL_CCM_SET_IV_FIXED:
557 /* Sanity check length */
558 if (arg != EVP_CCM_TLS_FIXED_IV_LEN)
560 /* Just copy to first part of IV */
561 memcpy(EVP_CIPHER_CTX_iv_noconst(c), ptr, arg);
564 case EVP_CTRL_AEAD_SET_IVLEN:
567 case EVP_CTRL_CCM_SET_L:
568 if (arg < 2 || arg > 8)
572 case EVP_CTRL_AEAD_SET_TAG:
573 if ((arg & 1) || arg < 4 || arg > 16)
575 if (EVP_CIPHER_CTX_encrypting(c) && ptr)
579 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
584 case EVP_CTRL_AEAD_GET_TAG:
585 if (!EVP_CIPHER_CTX_encrypting(c) || !cctx->tag_set)
587 if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
596 EVP_CIPHER_CTX *out = ptr;
597 EVP_ARIA_CCM_CTX *cctx_out = EVP_C_DATA(EVP_ARIA_CCM_CTX,out);
599 if (cctx->ccm.key != &cctx->ks)
601 cctx_out->ccm.key = &cctx_out->ks;
611 static int aria_ccm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
612 const unsigned char *in, size_t len)
614 EVP_ARIA_CCM_CTX *cctx = EVP_C_DATA(EVP_ARIA_CCM_CTX,ctx);
615 CCM128_CONTEXT *ccm = &cctx->ccm;
617 /* Encrypt/decrypt must be performed in place */
618 if (out != in || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->M))
620 /* If encrypting set explicit IV from sequence number (start of AAD) */
621 if (EVP_CIPHER_CTX_encrypting(ctx))
622 memcpy(out, EVP_CIPHER_CTX_buf_noconst(ctx),
623 EVP_CCM_TLS_EXPLICIT_IV_LEN);
624 /* Get rest of IV from explicit IV */
625 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx) + EVP_CCM_TLS_FIXED_IV_LEN, in,
626 EVP_CCM_TLS_EXPLICIT_IV_LEN);
627 /* Correct length value */
628 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
629 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), 15 - cctx->L,
633 CRYPTO_ccm128_aad(ccm, EVP_CIPHER_CTX_buf_noconst(ctx), cctx->tls_aad_len);
634 /* Fix buffer to point to payload */
635 in += EVP_CCM_TLS_EXPLICIT_IV_LEN;
636 out += EVP_CCM_TLS_EXPLICIT_IV_LEN;
637 if (EVP_CIPHER_CTX_encrypting(ctx)) {
638 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len, cctx->str)
639 : CRYPTO_ccm128_encrypt(ccm, in, out, len))
641 if (!CRYPTO_ccm128_tag(ccm, out + len, cctx->M))
643 return len + EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
645 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len, cctx->str)
646 : !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
647 unsigned char tag[16];
648 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
649 if (!CRYPTO_memcmp(tag, in + len, cctx->M))
653 OPENSSL_cleanse(out, len);
658 static int aria_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
659 const unsigned char *in, size_t len)
661 EVP_ARIA_CCM_CTX *cctx = EVP_C_DATA(EVP_ARIA_CCM_CTX,ctx);
662 CCM128_CONTEXT *ccm = &cctx->ccm;
664 /* If not set up, return error */
668 if (cctx->tls_aad_len >= 0)
669 return aria_ccm_tls_cipher(ctx, out, in, len);
671 /* EVP_*Final() doesn't return any data */
672 if (in == NULL && out != NULL)
678 if (!EVP_CIPHER_CTX_encrypting(ctx) && !cctx->tag_set)
682 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
688 /* If have AAD need message length */
689 if (!cctx->len_set && len)
691 CRYPTO_ccm128_aad(ccm, in, len);
694 /* If not set length yet do it */
695 if (!cctx->len_set) {
696 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
701 if (EVP_CIPHER_CTX_encrypting(ctx)) {
702 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len, cctx->str)
703 : CRYPTO_ccm128_encrypt(ccm, in, out, len))
709 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
711 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
712 unsigned char tag[16];
713 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
714 if (!CRYPTO_memcmp(tag, EVP_CIPHER_CTX_buf_noconst(ctx),
720 OPENSSL_cleanse(out, len);
728 #define ARIA_AUTH_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
729 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
730 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
731 | EVP_CIPH_CUSTOM_COPY | EVP_CIPH_FLAG_AEAD_CIPHER)
733 #define BLOCK_CIPHER_aead(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
734 static const EVP_CIPHER aria_##keylen##_##mode = { \
735 nid##_##keylen##_##nmode, \
736 blocksize, keylen/8, ivlen, \
737 ARIA_AUTH_FLAGS|EVP_CIPH_##MODE##_MODE, \
738 aria_##mode##_init_key, \
739 aria_##mode##_cipher, \
741 sizeof(EVP_ARIA_##MODE##_CTX), \
742 NULL,NULL,aria_##mode##_ctrl,NULL }; \
743 const EVP_CIPHER *EVP_aria_##keylen##_##mode(void) \
744 { return (EVP_CIPHER*)&aria_##keylen##_##mode; }
746 BLOCK_CIPHER_aead(NID_aria, 128, 1, 12, gcm, gcm, GCM, 0)
747 BLOCK_CIPHER_aead(NID_aria, 192, 1, 12, gcm, gcm, GCM, 0)
748 BLOCK_CIPHER_aead(NID_aria, 256, 1, 12, gcm, gcm, GCM, 0)
750 BLOCK_CIPHER_aead(NID_aria, 128, 1, 12, ccm, ccm, CCM, 0)
751 BLOCK_CIPHER_aead(NID_aria, 192, 1, 12, ccm, ccm, CCM, 0)
752 BLOCK_CIPHER_aead(NID_aria, 256, 1, 12, ccm, ccm, CCM, 0)