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 } 37