diff options
Diffstat (limited to 'recipes-kernel/cryptodev/sdk_patches/0008-Add-RSA-Key-generation-offloading.patch')
-rw-r--r-- | recipes-kernel/cryptodev/sdk_patches/0008-Add-RSA-Key-generation-offloading.patch | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/recipes-kernel/cryptodev/sdk_patches/0008-Add-RSA-Key-generation-offloading.patch b/recipes-kernel/cryptodev/sdk_patches/0008-Add-RSA-Key-generation-offloading.patch deleted file mode 100644 index ef4ea091..00000000 --- a/recipes-kernel/cryptodev/sdk_patches/0008-Add-RSA-Key-generation-offloading.patch +++ /dev/null @@ -1,170 +0,0 @@ -From a2cbb5fcc2d6f3734b5ed2826e828d852cfdf8ba Mon Sep 17 00:00:00 2001 -From: Hou Zhiqiang <B48286@freescale.com> -Date: Wed, 19 Mar 2014 14:02:46 +0800 -Subject: [PATCH 08/38] Add RSA Key generation offloading - -Upstream-status: Pending - -Signed-off-by: Hou Zhiqiang <B48286@freescale.com> -Tested-by: Cristian Stoica <cristian.stoica@freescale.com> ---- - cryptlib.c | 1 + - crypto/cryptodev.h | 2 ++ - ioctl.c | 3 +- - main.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++- - 4 files changed, 84 insertions(+), 2 deletions(-) - -diff --git a/cryptlib.c b/cryptlib.c -index 47cd568..4dd1847 100644 ---- a/cryptlib.c -+++ b/cryptlib.c -@@ -441,6 +441,7 @@ int cryptodev_pkc_offload(struct cryptodev_pkc *pkc) - struct pkc_request *pkc_req = &pkc->req, *pkc_requested; - - switch (pkc_req->type) { -+ case RSA_KEYGEN: - case RSA_PUB: - case RSA_PRIV_FORM1: - case RSA_PRIV_FORM2: -diff --git a/crypto/cryptodev.h b/crypto/cryptodev.h -index 275a55c..d0cc542 100644 ---- a/crypto/cryptodev.h -+++ b/crypto/cryptodev.h -@@ -270,6 +270,7 @@ enum cryptodev_crk_op_t { - CRK_DH_COMPUTE_KEY = 4, - CRK_DSA_GENERATE_KEY = 5, - CRK_DH_GENERATE_KEY = 6, -+ CRK_RSA_GENERATE_KEY = 7, - CRK_ALGORITHM_ALL - }; - -@@ -279,6 +280,7 @@ enum cryptodev_crk_op_t { - */ - #define CRF_MOD_EXP (1 << CRK_MOD_EXP) - #define CRF_MOD_EXP_CRT (1 << CRK_MOD_EXP_CRT) -+#define CRF_RSA_GENERATE_KEY (1 << CRK_RSA_GENERATE_KEY) - #define CRF_DSA_SIGN (1 << CRK_DSA_SIGN) - #define CRF_DSA_VERIFY (1 << CRK_DSA_VERIFY) - #define CRF_DH_COMPUTE_KEY (1 << CRK_DH_COMPUTE_KEY) -diff --git a/ioctl.c b/ioctl.c -index e4e16a8..3762a47 100644 ---- a/ioctl.c -+++ b/ioctl.c -@@ -957,7 +957,8 @@ cryptodev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg_) - case CIOCASYMFEAT: - return put_user(CRF_MOD_EXP_CRT | CRF_MOD_EXP | CRF_DSA_SIGN | - CRF_DSA_VERIFY | CRF_DH_COMPUTE_KEY | -- CRF_DSA_GENERATE_KEY | CRF_DH_GENERATE_KEY, p); -+ CRF_DSA_GENERATE_KEY | CRF_DH_GENERATE_KEY | -+ CRF_RSA_GENERATE_KEY, p); - case CRIOGET: - fd = clonefd(filp); - ret = put_user(fd, p); -diff --git a/main.c b/main.c -index 2747706..14dcf40 100644 ---- a/main.c -+++ b/main.c -@@ -346,6 +346,82 @@ err: - return rc; - } - -+int crypto_kop_rsa_keygen(struct cryptodev_pkc *pkc) -+{ -+ struct kernel_crypt_kop *kop = &pkc->kop; -+ struct crypt_kop *cop = &kop->kop; -+ struct pkc_request *pkc_req; -+ struct rsa_keygen_req_s *key_req; -+ int rc, buf_size; -+ uint8_t *buf; -+ -+ if (!cop->crk_param[0].crp_nbits || !cop->crk_param[1].crp_nbits || -+ !cop->crk_param[2].crp_nbits || !cop->crk_param[3].crp_nbits || -+ !cop->crk_param[4].crp_nbits || !cop->crk_param[5].crp_nbits || -+ !cop->crk_param[6].crp_nbits) -+ return -EINVAL; -+ -+ pkc_req = &pkc->req; -+ pkc_req->type = RSA_KEYGEN; -+ key_req = &pkc_req->req_u.rsa_keygen; -+ key_req->n_len = (cop->crk_param[2].crp_nbits + 7)/8; -+ key_req->p_len = (cop->crk_param[0].crp_nbits + 7) / 8; -+ key_req->q_len = (cop->crk_param[1].crp_nbits + 7) / 8; -+ key_req->n_len = (cop->crk_param[2].crp_nbits + 7) / 8; -+ key_req->d_len = (cop->crk_param[3].crp_nbits + 7) / 8; -+ key_req->dp_len = (cop->crk_param[4].crp_nbits + 7) / 8; -+ key_req->dq_len = (cop->crk_param[5].crp_nbits + 7) / 8; -+ key_req->c_len = (cop->crk_param[6].crp_nbits + 7) / 8; -+ -+ buf_size = key_req->p_len + key_req->q_len + key_req->n_len + -+ key_req->d_len + key_req->dp_len + -+ key_req->dq_len + key_req->c_len; -+ -+ buf = kmalloc(buf_size, GFP_DMA); -+ if (!buf) -+ return -ENOMEM; -+ key_req->p = buf; -+ key_req->q = key_req->p + key_req->p_len; -+ key_req->n = key_req->q + key_req->q_len; -+ key_req->d = key_req->n + key_req->n_len; -+ key_req->dp = key_req->d + key_req->d_len; -+ key_req->dq = key_req->dp + key_req->dp_len; -+ key_req->c = key_req->dq + key_req->dq_len; -+ -+ rc = cryptodev_pkc_offload(pkc); -+ -+ if (pkc->type == SYNCHRONOUS) { -+ if (rc) -+ goto err; -+ -+ copy_to_user(cop->crk_param[0].crp_p, -+ key_req->p, key_req->p_len); -+ copy_to_user(cop->crk_param[1].crp_p, -+ key_req->q, key_req->q_len); -+ copy_to_user(cop->crk_param[2].crp_p, -+ key_req->n, key_req->n_len); -+ copy_to_user(cop->crk_param[3].crp_p, -+ key_req->d, key_req->d_len); -+ copy_to_user(cop->crk_param[4].crp_p, -+ key_req->dp, key_req->dp_len); -+ copy_to_user(cop->crk_param[5].crp_p, -+ key_req->dq, key_req->dq_len); -+ copy_to_user(cop->crk_param[6].crp_p, -+ key_req->c, key_req->c_len); -+ } else { -+ if (rc != -EINPROGRESS && !rc) { -+ printk("%s: Failed\n", __func__); -+ goto err; -+ } -+ pkc->cookie = buf; -+ return rc; -+ } -+err: -+ kfree(buf); -+ return rc; -+ -+} -+ - int crypto_kop_keygen(struct cryptodev_pkc *pkc) - { - struct kernel_crypt_kop *kop = &pkc->kop; -@@ -385,7 +461,6 @@ int crypto_kop_keygen(struct cryptodev_pkc *pkc) - buf = kmalloc(buf_size, GFP_DMA); - if (!buf) - return -ENOMEM; -- - key_req->q = buf; - key_req->r = key_req->q + key_req->q_len; - key_req->g = key_req->r + key_req->r_len; -@@ -650,6 +725,9 @@ int crypto_run_asym(struct cryptodev_pkc *pkc) - goto err; - ret = crypto_kop_keygen(pkc); - break; -+ case CRK_RSA_GENERATE_KEY: -+ ret = crypto_kop_rsa_keygen(pkc); -+ break; - } - err: - return ret; --- -2.7.0 - |