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| author | Tudor Ambarus <tudor-dan.ambarus@nxp.com> | 2016-07-04 10:12:08 (GMT) |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-07-05 15:05:24 (GMT) |
| commit | 8c419778ab57e497b5de1352aa39dbe2efb3ed54 (patch) | |
| tree | b9977075029d6d46cc1ae2e743e7df9bde0bd1c3 /drivers/crypto/caam/pdb.h | |
| parent | 57763f5ec7488d5864e4d6ec9d4197b8f52214bd (diff) | |
| download | linux-8c419778ab57e497b5de1352aa39dbe2efb3ed54.tar.xz | |
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/pdb.h')
| -rw-r--r-- | drivers/crypto/caam/pdb.h | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/drivers/crypto/caam/pdb.h b/drivers/crypto/caam/pdb.h index d383573..aaa00dd 100644 --- a/drivers/crypto/caam/pdb.h +++ b/drivers/crypto/caam/pdb.h @@ -1,12 +1,13 @@ /* * CAAM Protocol Data Block (PDB) definition header file * - * Copyright 2008-2012 Freescale Semiconductor, Inc. + * Copyright 2008-2016 Freescale Semiconductor, Inc. * */ #ifndef CAAM_PDB_H #define CAAM_PDB_H +#include "compat.h" /* * PDB- IPSec ESP Header Modification Options @@ -476,4 +477,52 @@ struct dsa_verify_pdb { u8 *ab; /* only used if ECC processing */ }; +/* RSA Protocol Data Block */ +#define RSA_PDB_SGF_SHIFT 28 +#define RSA_PDB_E_SHIFT 12 +#define RSA_PDB_E_MASK (0xFFF << RSA_PDB_E_SHIFT) +#define RSA_PDB_D_SHIFT 12 +#define RSA_PDB_D_MASK (0xFFF << RSA_PDB_D_SHIFT) + +#define RSA_PDB_SGF_F (0x8 << RSA_PDB_SGF_SHIFT) +#define RSA_PDB_SGF_G (0x4 << RSA_PDB_SGF_SHIFT) +#define RSA_PRIV_PDB_SGF_F (0x4 << RSA_PDB_SGF_SHIFT) +#define RSA_PRIV_PDB_SGF_G (0x8 << RSA_PDB_SGF_SHIFT) + +#define RSA_PRIV_KEY_FRM_1 0 + +/** + * RSA Encrypt Protocol Data Block + * @sgf: scatter-gather field + * @f_dma: dma address of input data + * @g_dma: dma address of encrypted output data + * @n_dma: dma address of RSA modulus + * @e_dma: dma address of RSA public exponent + * @f_len: length in octets of the input data + */ +struct rsa_pub_pdb { + u32 sgf; + dma_addr_t f_dma; + dma_addr_t g_dma; + dma_addr_t n_dma; + dma_addr_t e_dma; + u32 f_len; +} __packed; + +/** + * RSA Decrypt PDB - Private Key Form #1 + * @sgf: scatter-gather field + * @g_dma: dma address of encrypted input data + * @f_dma: dma address of output data + * @n_dma: dma address of RSA modulus + * @d_dma: dma address of RSA private exponent + */ +struct rsa_priv_f1_pdb { + u32 sgf; + dma_addr_t g_dma; + dma_addr_t f_dma; + dma_addr_t n_dma; + dma_addr_t d_dma; +} __packed; + #endif |