diff options
| author | Tudor Ambarus <tudor-dan.ambarus@nxp.com> | 2016-07-04 06:12:08 -0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-07-05 11:05:24 -0400 |
| commit | 8c419778ab57e497b5de1352aa39dbe2efb3ed54 (patch) | |
| tree | b9977075029d6d46cc1ae2e743e7df9bde0bd1c3 /drivers/crypto/caam/pkc_desc.c | |
| parent | 57763f5ec7488d5864e4d6ec9d4197b8f52214bd (diff) | |
crypto: caam - add support for RSA algorithm
Add RSA support to caam driver.
Initial author is Yashpal Dutta <yashpal.dutta@freescale.com>.
Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/pkc_desc.c')
| -rw-r--r-- | drivers/crypto/caam/pkc_desc.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/crypto/caam/pkc_desc.c b/drivers/crypto/caam/pkc_desc.c new file mode 100644 index 000000000000..4e4183e615ea --- /dev/null +++ b/drivers/crypto/caam/pkc_desc.c | |||
| @@ -0,0 +1,36 @@ | |||
| 1 | /* | ||
| 2 | * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors | ||
| 3 | * | ||
| 4 | * Copyright 2016 Freescale Semiconductor, Inc. | ||
| 5 | * | ||
| 6 | * There is no Shared Descriptor for PKC so that the Job Descriptor must carry | ||
| 7 | * all the desired key parameters, input and output pointers. | ||
| 8 | */ | ||
| 9 | #include "caampkc.h" | ||
| 10 | #include "desc_constr.h" | ||
| 11 | |||
| 12 | /* Descriptor for RSA Public operation */ | ||
| 13 | void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb) | ||
| 14 | { | ||
| 15 | init_job_desc_pdb(desc, 0, sizeof(*pdb)); | ||
| 16 | append_cmd(desc, pdb->sgf); | ||
| 17 | append_ptr(desc, pdb->f_dma); | ||
| 18 | append_ptr(desc, pdb->g_dma); | ||
| 19 | append_ptr(desc, pdb->n_dma); | ||
| 20 | append_ptr(desc, pdb->e_dma); | ||
| 21 | append_cmd(desc, pdb->f_len); | ||
| 22 | append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY); | ||
| 23 | } | ||
| 24 | |||
| 25 | /* Descriptor for RSA Private operation - Private Key Form #1 */ | ||
| 26 | void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb) | ||
| 27 | { | ||
| 28 | init_job_desc_pdb(desc, 0, sizeof(*pdb)); | ||
| 29 | append_cmd(desc, pdb->sgf); | ||
| 30 | append_ptr(desc, pdb->g_dma); | ||
| 31 | append_ptr(desc, pdb->f_dma); | ||
| 32 | append_ptr(desc, pdb->n_dma); | ||
| 33 | append_ptr(desc, pdb->d_dma); | ||
| 34 | append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | | ||
| 35 | RSA_PRIV_KEY_FRM_1); | ||
| 36 | } | ||