diff options
Diffstat (limited to 'recipes-kernel/cryptodev/sdk_patches/0034-extend-API-with-CIOCHASH-to-support-direct-hash-oper.patch')
| -rw-r--r-- | recipes-kernel/cryptodev/sdk_patches/0034-extend-API-with-CIOCHASH-to-support-direct-hash-oper.patch | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/recipes-kernel/cryptodev/sdk_patches/0034-extend-API-with-CIOCHASH-to-support-direct-hash-oper.patch b/recipes-kernel/cryptodev/sdk_patches/0034-extend-API-with-CIOCHASH-to-support-direct-hash-oper.patch deleted file mode 100644 index 3a1f0c05..00000000 --- a/recipes-kernel/cryptodev/sdk_patches/0034-extend-API-with-CIOCHASH-to-support-direct-hash-oper.patch +++ /dev/null @@ -1,114 +0,0 @@ -From c43fa74b9ed11f0183d25b21486b71fe02d84de7 Mon Sep 17 00:00:00 2001 -From: Cristian Stoica <cristian.stoica@nxp.com> -Date: Tue, 15 Dec 2015 15:31:47 +0200 -Subject: [PATCH 34/38] extend API with CIOCHASH to support direct hash - operations - -Signed-off-by: Cristian Stoica <cristian.stoica@nxp.com> ---- - crypto/cryptodev.h | 16 ++++++++++++++++ - ioctl.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ - 2 files changed, 65 insertions(+) - -diff --git a/crypto/cryptodev.h b/crypto/cryptodev.h -index f6058ca..c6083f7 100644 ---- a/crypto/cryptodev.h -+++ b/crypto/cryptodev.h -@@ -167,6 +167,19 @@ struct crypt_auth_op { - __u32 iv_len; - }; - -+/* data container for CIOCHASH operations */ -+struct hash_op_data { -+ __u32 ses; /* session identifier */ -+ __u32 mac_op; /* cryptodev_crypto_op_t */ -+ __u8 *mackey; -+ __u32 mackeylen; -+ -+ __u16 flags; /* see COP_FLAG_* */ -+ __u32 len; /* length of source data */ -+ __u8 *src; /* source data */ -+ __u8 *mac_result; -+}; -+ - /* In plain AEAD mode the following are required: - * flags : 0 - * iv : the initialization vector (12 bytes) -@@ -325,4 +338,7 @@ enum cryptodev_crk_op_t { - /* additional ioctls for asynchronous operation for asymmetric ciphers*/ - #define CIOCASYMASYNCRYPT _IOW('c', 112, struct crypt_kop) - #define CIOCASYMFETCHCOOKIE _IOR('c', 113, struct pkc_cookie_list_s) -+ -+#define CIOCHASH _IOWR('c', 114, struct hash_op_data) -+ - #endif /* L_CRYPTODEV_H */ -diff --git a/ioctl.c b/ioctl.c -index 7adde75..3763954 100644 ---- a/ioctl.c -+++ b/ioctl.c -@@ -960,6 +960,7 @@ cryptodev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg_) - void __user *arg = (void __user *)arg_; - int __user *p = arg; - struct session_op sop; -+ struct hash_op_data hash_op; - struct kernel_crypt_op kcop; - struct kernel_crypt_auth_op kcaop; - struct crypt_priv *pcr = filp->private_data; -@@ -1049,6 +1050,54 @@ cryptodev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg_) - } - - return kcop_to_user(&kcop, fcr, arg); -+ case CIOCHASH: -+ /* get session */ -+ if (unlikely(copy_from_user(&hash_op, arg, sizeof(struct hash_op_data)))) { -+ pr_err("copy from user fault\n"); -+ return -EFAULT; -+ } -+ -+ sop.cipher = 0; -+ sop.mac = hash_op.mac_op; -+ sop.mackey = hash_op.mackey; -+ sop.mackeylen = hash_op.mackeylen; -+ -+ /* writes sop.ses as a side-effect */ -+ ret = crypto_create_session(fcr, &sop); -+ if (unlikely(ret)) { -+ pr_err("can't get session\n"); -+ return ret; -+ } -+ -+ /* do hashing */ -+ kcop.cop.ses = sop.ses; -+ kcop.cop.flags = hash_op.flags; -+ kcop.cop.len = hash_op.len; -+ kcop.cop.src = hash_op.src; -+ kcop.cop.mac = hash_op.mac_result; -+ kcop.cop.dst = 0; -+ kcop.cop.op = 0; -+ kcop.cop.iv = 0; -+ kcop.ivlen = 0; -+ kcop.digestsize = 0; /* will be updated during operation */ -+ kcop.task = current; -+ kcop.mm = current->mm; -+ -+ ret = crypto_run(fcr, &kcop); -+ if (unlikely(ret)) { -+ dwarning(1, "Error in hash run"); -+ return ret; -+ } -+ -+ ret = copy_to_user(kcop.cop.mac, kcop.hash_output, kcop.digestsize); -+ if (unlikely(ret)) { -+ dwarning(1, "Error in copy to user"); -+ return ret; -+ } -+ -+ /* put session */ -+ ret = crypto_finish_session(fcr, sop.ses); -+ return 0; - case CIOCAUTHCRYPT: - if (unlikely(ret = kcaop_from_user(&kcaop, fcr, arg))) { - dwarning(1, "Error copying from user"); --- -2.7.0 - |