cipher.c (9624d5c9c7ff6836bbf9f9b230fd1fcf3d56f91a) cipher.c (231baecdef7a906579925ccf1bd45aa734f32320)
1/*
2 * Copyright 2016 Broadcom
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2, as
6 * published by the Free Software Foundation (the "GPL").
7 *
8 * This program is distributed in the hope that it will be useful, but

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712 int err = 0;
713 unsigned int chunksize = 0; /* length of hash carry + new data */
714 /*
715 * length of new data, not from hash carry, to be submitted in
716 * this hw request
717 */
718 unsigned int new_data_len;
719
1/*
2 * Copyright 2016 Broadcom
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2, as
6 * published by the Free Software Foundation (the "GPL").
7 *
8 * This program is distributed in the hope that it will be useful, but

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712 int err = 0;
713 unsigned int chunksize = 0; /* length of hash carry + new data */
714 /*
715 * length of new data, not from hash carry, to be submitted in
716 * this hw request
717 */
718 unsigned int new_data_len;
719
720 unsigned int chunk_start = 0;
720 unsigned int __maybe_unused chunk_start = 0;
721 u32 db_size; /* Length of data field, incl gcm and hash padding */
722 int pad_len = 0; /* total pad len, including gcm, hash, stat padding */
723 u32 data_pad_len = 0; /* length of GCM/CCM padding */
724 u32 stat_pad_len = 0; /* length of padding to align STATUS word */
725 struct brcm_message *mssg; /* mailbox message */
726 struct spu_request_opts req_opts;
727 struct spu_cipher_parms cipher_parms;
728 struct spu_hash_parms hash_parms;

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1670 * @cl: mailbox client structure for SPU driver
1671 * @msg: mailbox message containing SPU response
1672 */
1673static void spu_rx_callback(struct mbox_client *cl, void *msg)
1674{
1675 struct spu_hw *spu = &iproc_priv.spu;
1676 struct brcm_message *mssg = msg;
1677 struct iproc_reqctx_s *rctx;
721 u32 db_size; /* Length of data field, incl gcm and hash padding */
722 int pad_len = 0; /* total pad len, including gcm, hash, stat padding */
723 u32 data_pad_len = 0; /* length of GCM/CCM padding */
724 u32 stat_pad_len = 0; /* length of padding to align STATUS word */
725 struct brcm_message *mssg; /* mailbox message */
726 struct spu_request_opts req_opts;
727 struct spu_cipher_parms cipher_parms;
728 struct spu_hash_parms hash_parms;

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1670 * @cl: mailbox client structure for SPU driver
1671 * @msg: mailbox message containing SPU response
1672 */
1673static void spu_rx_callback(struct mbox_client *cl, void *msg)
1674{
1675 struct spu_hw *spu = &iproc_priv.spu;
1676 struct brcm_message *mssg = msg;
1677 struct iproc_reqctx_s *rctx;
1678 struct iproc_ctx_s *ctx;
1679 struct crypto_async_request *areq;
1680 int err = 0;
1681
1682 rctx = mssg->ctx;
1683 if (unlikely(!rctx)) {
1684 /* This is fatal */
1685 pr_err("%s(): no request context", __func__);
1686 err = -EFAULT;
1687 goto cb_finish;
1688 }
1678 int err = 0;
1679
1680 rctx = mssg->ctx;
1681 if (unlikely(!rctx)) {
1682 /* This is fatal */
1683 pr_err("%s(): no request context", __func__);
1684 err = -EFAULT;
1685 goto cb_finish;
1686 }
1689 areq = rctx->parent;
1690 ctx = rctx->ctx;
1691
1692 /* process the SPU status */
1693 err = spu->spu_status_process(rctx->msg_buf.rx_stat);
1694 if (err != 0) {
1695 if (err == SPU_INVALID_ICV)
1696 atomic_inc(&iproc_priv.bad_icv);
1697 err = -EBADMSG;
1698 goto cb_finish;

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1817 unsigned int keylen)
1818{
1819 struct iproc_ctx_s *ctx = crypto_ablkcipher_ctx(cipher);
1820 u32 tmp[DES_EXPKEY_WORDS];
1821
1822 if (keylen == DES_KEY_SIZE) {
1823 if (des_ekey(tmp, key) == 0) {
1824 if (crypto_ablkcipher_get_flags(cipher) &
1687
1688 /* process the SPU status */
1689 err = spu->spu_status_process(rctx->msg_buf.rx_stat);
1690 if (err != 0) {
1691 if (err == SPU_INVALID_ICV)
1692 atomic_inc(&iproc_priv.bad_icv);
1693 err = -EBADMSG;
1694 goto cb_finish;

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1813 unsigned int keylen)
1814{
1815 struct iproc_ctx_s *ctx = crypto_ablkcipher_ctx(cipher);
1816 u32 tmp[DES_EXPKEY_WORDS];
1817
1818 if (keylen == DES_KEY_SIZE) {
1819 if (des_ekey(tmp, key) == 0) {
1820 if (crypto_ablkcipher_get_flags(cipher) &
1825 CRYPTO_TFM_REQ_WEAK_KEY) {
1821 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) {
1826 u32 flags = CRYPTO_TFM_RES_WEAK_KEY;
1827
1828 crypto_ablkcipher_set_flags(cipher, flags);
1829 return -EINVAL;
1830 }
1831 }
1832
1833 ctx->cipher_type = CIPHER_TYPE_DES;

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2871 switch (ctx->alg->cipher_info.alg) {
2872 case CIPHER_ALG_DES:
2873 if (ctx->enckeylen == DES_KEY_SIZE) {
2874 u32 tmp[DES_EXPKEY_WORDS];
2875 u32 flags = CRYPTO_TFM_RES_WEAK_KEY;
2876
2877 if (des_ekey(tmp, keys.enckey) == 0) {
2878 if (crypto_aead_get_flags(cipher) &
1822 u32 flags = CRYPTO_TFM_RES_WEAK_KEY;
1823
1824 crypto_ablkcipher_set_flags(cipher, flags);
1825 return -EINVAL;
1826 }
1827 }
1828
1829 ctx->cipher_type = CIPHER_TYPE_DES;

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2867 switch (ctx->alg->cipher_info.alg) {
2868 case CIPHER_ALG_DES:
2869 if (ctx->enckeylen == DES_KEY_SIZE) {
2870 u32 tmp[DES_EXPKEY_WORDS];
2871 u32 flags = CRYPTO_TFM_RES_WEAK_KEY;
2872
2873 if (des_ekey(tmp, keys.enckey) == 0) {
2874 if (crypto_aead_get_flags(cipher) &
2879 CRYPTO_TFM_REQ_WEAK_KEY) {
2875 CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) {
2880 crypto_aead_set_flags(cipher, flags);
2881 return -EINVAL;
2882 }
2883 }
2884
2885 ctx->cipher_type = CIPHER_TYPE_DES;
2886 } else {
2887 goto badkey;

--- 2039 unchanged lines hidden --- 		2876 crypto_aead_set_flags(cipher, flags);
2877 return -EINVAL;
2878 }
2879 }
2880
2881 ctx->cipher_type = CIPHER_TYPE_DES;
2882 } else {
2883 goto badkey;

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