74 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0
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/*
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 * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors
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 *
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 * Copyright 2016 Freescale Semiconductor, Inc.
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 *
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 * There is no Shared Descriptor for PKC so that the Job Descriptor must carry
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 * all the desired key parameters, input and output pointers.
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 */
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#include "caampkc.h"
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#include "desc_constr.h"
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/* Descriptor for RSA Public operation */
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void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb)
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{
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	init_job_desc_pdb(desc, 0, SIZEOF_RSA_PUB_PDB);
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	append_cmd(desc, pdb->sgf);
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	append_ptr(desc, pdb->f_dma);
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	append_ptr(desc, pdb->g_dma);
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	append_ptr(desc, pdb->n_dma);
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	append_ptr(desc, pdb->e_dma);
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	append_cmd(desc, pdb->f_len);
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	append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY);
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}
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/* Descriptor for RSA Private operation - Private Key Form #1 */
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void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb)
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{
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	init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F1_PDB);
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	append_cmd(desc, pdb->sgf);
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	append_ptr(desc, pdb->g_dma);
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	append_ptr(desc, pdb->f_dma);
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	append_ptr(desc, pdb->n_dma);
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	append_ptr(desc, pdb->d_dma);
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	append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
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			 RSA_PRIV_KEY_FRM_1);
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}
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/* Descriptor for RSA Private operation - Private Key Form #2 */
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void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb)
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{
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	init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F2_PDB);
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	append_cmd(desc, pdb->sgf);
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	append_ptr(desc, pdb->g_dma);
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	append_ptr(desc, pdb->f_dma);
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	append_ptr(desc, pdb->d_dma);
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	append_ptr(desc, pdb->p_dma);
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	append_ptr(desc, pdb->q_dma);
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	append_ptr(desc, pdb->tmp1_dma);
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	append_ptr(desc, pdb->tmp2_dma);
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	append_cmd(desc, pdb->p_q_len);
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	append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
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			 RSA_PRIV_KEY_FRM_2);
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}
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/* Descriptor for RSA Private operation - Private Key Form #3 */
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void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb)
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{
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	init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F3_PDB);
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	append_cmd(desc, pdb->sgf);
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	append_ptr(desc, pdb->g_dma);
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	append_ptr(desc, pdb->f_dma);
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	append_ptr(desc, pdb->c_dma);
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	append_ptr(desc, pdb->p_dma);
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	append_ptr(desc, pdb->q_dma);
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	append_ptr(desc, pdb->dp_dma);
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	append_ptr(desc, pdb->dq_dma);
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	append_ptr(desc, pdb->tmp1_dma);
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	append_ptr(desc, pdb->tmp2_dma);
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	append_cmd(desc, pdb->p_q_len);
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	append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
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			 RSA_PRIV_KEY_FRM_3);
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}
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