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[src/trunk]: src/sys Remove now-unused legacy rijndael API.
details: https://anonhg.NetBSD.org/src/rev/524b781513e4
branches: trunk
changeset: 974156:524b781513e4
user: riastradh <riastradh%NetBSD.org@localhost>
date: Sat Jul 25 22:40:08 2020 +0000
description:
Remove now-unused legacy rijndael API.
diffstat:
sys/crypto/aes/aes_rijndael.c | 308 ---------------------------------
sys/crypto/aes/files.aes | 4 +-
sys/crypto/rijndael/rijndael-alg-fst.h | 40 ----
sys/crypto/rijndael/rijndael-api-fst.h | 106 -----------
sys/crypto/rijndael/rijndael.h | 46 ----
sys/rump/kern/lib/libcrypto/Makefile | 3 +-
6 files changed, 2 insertions(+), 505 deletions(-)
diffs (truncated from 551 to 300 lines):
diff -r 5b90cc9f2eeb -r 524b781513e4 sys/crypto/aes/aes_rijndael.c
--- a/sys/crypto/aes/aes_rijndael.c Sat Jul 25 22:37:48 2020 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,308 +0,0 @@
-/* $NetBSD: aes_rijndael.c,v 1.2 2020/07/25 22:14:35 riastradh Exp $ */
-
-/*-
- * Copyright (c) 2020 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * Legacy `Rijndael' API
- *
- * rijndael_set_key
- * rijndael_encrypt
- * rijndael_decrypt
- *
- * rijndaelKeySetupEnc
- * rijndaelKeySetupDec
- * rijndaelEncrypt
- * rijndaelDecrypt
- * rijndael_makeKey
- * rijndael_cipherInit
- * rijndael_blockEncrypt
- * rijndael_blockDecrypt
- */
-
-#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: aes_rijndael.c,v 1.2 2020/07/25 22:14:35 riastradh Exp $");
-
-#include <sys/types.h>
-#include <sys/systm.h>
-
-#include <crypto/aes/aes.h>
-#include <crypto/aes/aes_cbc.h>
-#include <crypto/aes/aes_xts.h>
-#include <crypto/rijndael/rijndael.h>
-#include <crypto/rijndael/rijndael-alg-fst.h>
-#include <crypto/rijndael/rijndael-api-fst.h>
-
-void
-rijndael_set_key(rijndael_ctx *ctx, const uint8_t *key, int keybits)
-{
-
- ctx->Nr = rijndaelKeySetupEnc(ctx->ek, key, keybits);
- rijndaelKeySetupDec(ctx->dk, key, keybits);
-}
-
-void
-rijndael_encrypt(const rijndael_ctx *ctx, const uint8_t *in, uint8_t *out)
-{
-
- rijndaelEncrypt(ctx->ek, ctx->Nr, in, out);
-}
-
-void
-rijndael_decrypt(const rijndael_ctx *ctx, const u_char *in, uint8_t *out)
-{
-
- rijndaelDecrypt(ctx->dk, ctx->Nr, in, out);
-}
-
-int
-rijndaelKeySetupEnc(uint32_t *rk, const uint8_t *key, int keybits)
-{
- struct aesenc enc;
- unsigned nrounds;
-
- switch (keybits) {
- case 128:
- nrounds = aes_setenckey128(&enc, key);
- break;
- case 192:
- nrounds = aes_setenckey192(&enc, key);
- break;
- case 256:
- nrounds = aes_setenckey256(&enc, key);
- break;
- default:
- panic("invalid AES key bits: %d", keybits);
- }
-
- memcpy(rk, enc.aese_aes.aes_rk, 4*(nrounds + 1)*sizeof(rk[0]));
- explicit_memset(&enc, 0, sizeof enc);
-
- return nrounds;
-}
-
-int
-rijndaelKeySetupDec(uint32_t *rk, const uint8_t *key, int keybits)
-{
- struct aesdec dec;
- unsigned nrounds;
-
- switch (keybits) {
- case 128:
- nrounds = aes_setdeckey128(&dec, key);
- break;
- case 192:
- nrounds = aes_setdeckey192(&dec, key);
- break;
- case 256:
- nrounds = aes_setdeckey256(&dec, key);
- break;
- default:
- panic("invalid AES key bits: %d", keybits);
- }
-
- memcpy(rk, dec.aesd_aes.aes_rk, 4*(nrounds + 1)*sizeof(rk[0]));
- explicit_memset(&dec, 0, sizeof dec);
-
- return nrounds;
-}
-
-void
-rijndaelEncrypt(const uint32_t *rk, int nrounds, const uint8_t in[16],
- uint8_t out[16])
-{
- struct aesenc enc;
-
- memcpy(enc.aese_aes.aes_rk, rk, 4*(nrounds + 1)*sizeof(rk[0]));
- aes_enc(&enc, in, out, nrounds);
- explicit_memset(&enc, 0, sizeof enc);
-}
-
-void
-rijndaelDecrypt(const uint32_t *rk, int nrounds, const uint8_t in[16],
- uint8_t out[16])
-{
- struct aesdec dec;
-
- memcpy(dec.aesd_aes.aes_rk, rk, 4*(nrounds + 1)*sizeof(rk[0]));
- aes_dec(&dec, in, out, nrounds);
- explicit_memset(&dec, 0, sizeof dec);
-}
-
-int
-rijndael_makeKey(keyInstance *key, BYTE direction, int keybits,
- const char *keyp)
-{
-
- if (key == NULL)
- return BAD_KEY_INSTANCE;
-
- memset(key, 0x1a, sizeof(*key));
-
- switch (direction) {
- case DIR_ENCRYPT:
- case DIR_DECRYPT:
- key->direction = direction;
- break;
- default:
- return BAD_KEY_DIR;
- }
-
- switch (keybits) {
- case 128:
- case 192:
- case 256:
- key->keyLen = keybits;
- break;
- default:
- return BAD_KEY_MAT;
- }
-
- if (keyp)
- memcpy(key->keyMaterial, keyp, keybits/8);
-
- switch (direction) {
- case DIR_ENCRYPT:
- key->Nr = rijndaelKeySetupEnc(key->rk,
- (const uint8_t *)key->keyMaterial, keybits);
- break;
- case DIR_DECRYPT:
- key->Nr = rijndaelKeySetupDec(key->rk,
- (const uint8_t *)key->keyMaterial, keybits);
- break;
- default:
- panic("unknown encryption direction %d", direction);
- }
- rijndaelKeySetupEnc(key->ek, (const uint8_t *)key->keyMaterial,
- keybits);
-
- return 1;
-}
-
-int
-rijndael_cipherInit(cipherInstance *cipher, BYTE mode, const char *iv)
-{
-
- switch (mode) {
- case MODE_ECB: /* used only for encrypting one block */
- case MODE_CBC:
- case MODE_XTS:
- cipher->mode = mode;
- break;
- case MODE_CFB1: /* unused */
- default:
- return BAD_CIPHER_MODE;
- }
-
- if (iv)
- memcpy(cipher->IV, iv, RIJNDAEL_MAX_IV_SIZE);
- else
- memset(cipher->IV, 0, RIJNDAEL_MAX_IV_SIZE);
-
- return 1;
-}
-
-int
-rijndael_blockEncrypt(cipherInstance *cipher, keyInstance *key,
- const BYTE *in, int nbits, BYTE *out)
-{
- struct aesenc enc;
-
- if (cipher == NULL)
- return BAD_CIPHER_STATE;
- if (key == NULL)
- return BAD_CIPHER_STATE;
- if (key->direction != DIR_ENCRYPT)
- return BAD_CIPHER_STATE;
-
- if (in == NULL || nbits <= 0)
- return 0;
-
- memcpy(enc.aese_aes.aes_rk, key->rk,
- 4*(key->Nr + 1)*sizeof(key->rk[0]));
- switch (cipher->mode) {
- case MODE_ECB:
- KASSERT(nbits == 128);
- aes_enc(&enc, in, out, key->Nr);
- break;
- case MODE_CBC:
- KASSERT(nbits % 128 == 0);
- aes_cbc_enc(&enc, in, out, nbits/8, (uint8_t *)cipher->IV,
- key->Nr);
- break;
- case MODE_XTS:
- KASSERT(nbits % 128 == 0);
- aes_xts_enc(&enc, in, out, nbits/8, (uint8_t *)cipher->IV,
- key->Nr);
- break;
- default:
- panic("invalid AES mode: %d", cipher->mode);
- }
- explicit_memset(&enc, 0, sizeof enc);
-
- return nbits;
-}
-
-int
-rijndael_blockDecrypt(cipherInstance *cipher, keyInstance *key,
- const BYTE *in, int nbits, BYTE *out)
-{
- struct aesdec dec;
-
- if (cipher == NULL)
- return BAD_CIPHER_STATE;
- if (key == NULL)
- return BAD_CIPHER_STATE;
- if (key->direction != DIR_DECRYPT)
- return BAD_CIPHER_STATE;
-
- if (in == NULL || nbits <= 0)
- return 0;
-
- memcpy(dec.aesd_aes.aes_rk, key->rk,
- 4*(key->Nr + 1)*sizeof(key->rk[0]));
- switch (cipher->mode) {
- case MODE_ECB:
- KASSERT(nbits == 128);
- aes_dec(&dec, in, out, key->Nr);
- break;
- case MODE_CBC:
- KASSERT(nbits % 128 == 0);
- aes_cbc_dec(&dec, in, out, nbits/8, (uint8_t *)cipher->IV,
- key->Nr);
- break;
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