| padlock_cipher.c (162316) | padlock_cipher.c (208834) |
|---|---|
| 1/*- 2 * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * Copyright (c) 2004 Mark R V Murray 4 * All rights reserved. 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: --- 31 unchanged lines hidden (view full) --- 40 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 41 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 42 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 43 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 44 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 45 */ 46 47#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * Copyright (c) 2004 Mark R V Murray 4 * All rights reserved. 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: --- 31 unchanged lines hidden (view full) --- 40 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 41 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 42 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 43 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 44 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 45 */ 46 47#include <sys/cdefs.h> |
| 48__FBSDID("$FreeBSD: head/sys/crypto/via/padlock_cipher.c 162316 2006-09-15 10:44:55Z pjd $"); | 48__FBSDID("$FreeBSD: head/sys/crypto/via/padlock_cipher.c 208834 2010-06-05 16:00:53Z kib $"); |
| 49 50#include <sys/param.h> 51#include <sys/systm.h> 52#include <sys/kernel.h> 53#include <sys/module.h> 54#include <sys/malloc.h> 55#include <sys/libkern.h> | 49 50#include <sys/param.h> 51#include <sys/systm.h> 52#include <sys/kernel.h> 53#include <sys/module.h> 54#include <sys/malloc.h> 55#include <sys/libkern.h> |
| 56#include <sys/pcpu.h> |
|
| 56#include <sys/uio.h> 57 58#include <opencrypto/cryptodev.h> 59#include <crypto/rijndael/rijndael.h> 60 61#include <crypto/via/padlock.h> 62 63#define PADLOCK_ROUND_COUNT_AES128 10 --- 132 unchanged lines hidden (view full) --- 196 return (addr); 197} 198 199int 200padlock_cipher_process(struct padlock_session *ses, struct cryptodesc *enccrd, 201 struct cryptop *crp) 202{ 203 union padlock_cw *cw; | 57#include <sys/uio.h> 58 59#include <opencrypto/cryptodev.h> 60#include <crypto/rijndael/rijndael.h> 61 62#include <crypto/via/padlock.h> 63 64#define PADLOCK_ROUND_COUNT_AES128 10 --- 132 unchanged lines hidden (view full) --- 197 return (addr); 198} 199 200int 201padlock_cipher_process(struct padlock_session *ses, struct cryptodesc *enccrd, 202 struct cryptop *crp) 203{ 204 union padlock_cw *cw; |
| 205 struct thread *td; |
|
| 204 u_char *buf, *abuf; 205 uint32_t *key; | 206 u_char *buf, *abuf; 207 uint32_t *key; |
| 206 int allocated; | 208 int allocated, error; |
| 207 208 buf = padlock_cipher_alloc(enccrd, crp, &allocated); 209 if (buf == NULL) 210 return (ENOMEM); 211 /* Buffer has to be 16 bytes aligned. */ 212 abuf = PADLOCK_ALIGN(buf); 213 214 if ((enccrd->crd_flags & CRD_F_KEY_EXPLICIT) != 0) { --- 27 unchanged lines hidden (view full) --- 242 } 243 } 244 245 if (allocated) { 246 crypto_copydata(crp->crp_flags, crp->crp_buf, enccrd->crd_skip, 247 enccrd->crd_len, abuf); 248 } 249 | 209 210 buf = padlock_cipher_alloc(enccrd, crp, &allocated); 211 if (buf == NULL) 212 return (ENOMEM); 213 /* Buffer has to be 16 bytes aligned. */ 214 abuf = PADLOCK_ALIGN(buf); 215 216 if ((enccrd->crd_flags & CRD_F_KEY_EXPLICIT) != 0) { --- 27 unchanged lines hidden (view full) --- 244 } 245 } 246 247 if (allocated) { 248 crypto_copydata(crp->crp_flags, crp->crp_buf, enccrd->crd_skip, 249 enccrd->crd_len, abuf); 250 } 251 |
| 252 td = curthread; 253 error = fpu_kern_enter(td, &ses->ses_fpu_ctx, FPU_KERN_NORMAL); 254 if (error != 0) 255 goto out; 256 |
|
| 250 padlock_cbc(abuf, abuf, enccrd->crd_len / AES_BLOCK_LEN, key, cw, 251 ses->ses_iv); 252 | 257 padlock_cbc(abuf, abuf, enccrd->crd_len / AES_BLOCK_LEN, key, cw, 258 ses->ses_iv); 259 |
| 260 fpu_kern_leave(td, &ses->ses_fpu_ctx); 261 |
|
| 253 if (allocated) { 254 crypto_copyback(crp->crp_flags, crp->crp_buf, enccrd->crd_skip, 255 enccrd->crd_len, abuf); 256 } 257 258 /* copy out last block for use as next session IV */ 259 if ((enccrd->crd_flags & CRD_F_ENCRYPT) != 0) { 260 crypto_copydata(crp->crp_flags, crp->crp_buf, 261 enccrd->crd_skip + enccrd->crd_len - AES_BLOCK_LEN, 262 AES_BLOCK_LEN, ses->ses_iv); 263 } 264 | 262 if (allocated) { 263 crypto_copyback(crp->crp_flags, crp->crp_buf, enccrd->crd_skip, 264 enccrd->crd_len, abuf); 265 } 266 267 /* copy out last block for use as next session IV */ 268 if ((enccrd->crd_flags & CRD_F_ENCRYPT) != 0) { 269 crypto_copydata(crp->crp_flags, crp->crp_buf, 270 enccrd->crd_skip + enccrd->crd_len - AES_BLOCK_LEN, 271 AES_BLOCK_LEN, ses->ses_iv); 272 } 273 |
| 274 out: |
|
| 265 if (allocated) { 266 bzero(buf, enccrd->crd_len + 16); 267 free(buf, M_PADLOCK); 268 } | 275 if (allocated) { 276 bzero(buf, enccrd->crd_len + 16); 277 free(buf, M_PADLOCK); 278 } |
| 269 return (0); | 279 return (error); |
| 270} | 280} |