diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/crypto/caam/pkc_desc.c | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
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 000000000..4e4183e61 --- /dev/null +++ b/drivers/crypto/caam/pkc_desc.c @@ -0,0 +1,36 @@ +/* + * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors + * + * Copyright 2016 Freescale Semiconductor, Inc. + * + * There is no Shared Descriptor for PKC so that the Job Descriptor must carry + * all the desired key parameters, input and output pointers. + */ +#include "caampkc.h" +#include "desc_constr.h" + +/* Descriptor for RSA Public operation */ +void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb) +{ + init_job_desc_pdb(desc, 0, sizeof(*pdb)); + append_cmd(desc, pdb->sgf); + append_ptr(desc, pdb->f_dma); + append_ptr(desc, pdb->g_dma); + append_ptr(desc, pdb->n_dma); + append_ptr(desc, pdb->e_dma); + append_cmd(desc, pdb->f_len); + append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY); +} + +/* Descriptor for RSA Private operation - Private Key Form #1 */ +void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb) +{ + init_job_desc_pdb(desc, 0, sizeof(*pdb)); + append_cmd(desc, pdb->sgf); + append_ptr(desc, pdb->g_dma); + append_ptr(desc, pdb->f_dma); + append_ptr(desc, pdb->n_dma); + append_ptr(desc, pdb->d_dma); + append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | + RSA_PRIV_KEY_FRM_1); +} |