diff options
Diffstat (limited to 'drivers/crypto/caam/caampkc.h')
| -rw-r--r-- | drivers/crypto/caam/caampkc.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/crypto/caam/caampkc.h b/drivers/crypto/caam/caampkc.h index f595d159b112..48e408ceaf75 100644 --- a/drivers/crypto/caam/caampkc.h +++ b/drivers/crypto/caam/caampkc.h @@ -13,21 +13,57 @@ #include "pdb.h" /** + * caam_priv_key_form - CAAM RSA private key representation + * CAAM RSA private key may have either of two forms. + * + * 1. The first representation consists of the pair (n, d), where the + * components have the following meanings: + * n the RSA modulus + * d the RSA private exponent + * + * 2. The second representation consists of the triplet (p, q, d), where the + * components have the following meanings: + * p the first prime factor of the RSA modulus n + * q the second prime factor of the RSA modulus n + * d the RSA private exponent + */ +enum caam_priv_key_form { + FORM1, + FORM2, +}; + +/** * caam_rsa_key - CAAM RSA key structure. Keys are allocated in DMA zone. * @n : RSA modulus raw byte stream * @e : RSA public exponent raw byte stream * @d : RSA private exponent raw byte stream + * @p : RSA prime factor p of RSA modulus n + * @q : RSA prime factor q of RSA modulus n + * @tmp1 : CAAM uses this temporary buffer as internal state buffer. + * It is assumed to be as long as p. + * @tmp2 : CAAM uses this temporary buffer as internal state buffer. + * It is assumed to be as long as q. * @n_sz : length in bytes of RSA modulus n * @e_sz : length in bytes of RSA public exponent * @d_sz : length in bytes of RSA private exponent + * @p_sz : length in bytes of RSA prime factor p of RSA modulus n + * @q_sz : length in bytes of RSA prime factor q of RSA modulus n + * @priv_form : CAAM RSA private key representation */ struct caam_rsa_key { u8 *n; u8 *e; u8 *d; + u8 *p; + u8 *q; + u8 *tmp1; + u8 *tmp2; size_t n_sz; size_t e_sz; size_t d_sz; + size_t p_sz; + size_t q_sz; + enum caam_priv_key_form priv_form; }; /** @@ -59,6 +95,7 @@ struct rsa_edesc { union { struct rsa_pub_pdb pub; struct rsa_priv_f1_pdb priv_f1; + struct rsa_priv_f2_pdb priv_f2; } pdb; u32 hw_desc[]; }; @@ -66,5 +103,6 @@ struct rsa_edesc { /* Descriptor construction primitives. */ void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb); void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb); +void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb); #endif |