text: /*
   * Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved.
   *
   * SPDX-License-Identifier: BSD-3-Clause
   */
  
  #include <stddef.h>
  
  #include <platform_def.h>
  #include MBEDTLS_CONFIG_FILE
  
  #include <drivers/auth/auth_mod.h>
  #include <drivers/auth/tbbr_cot_common.h>
  #if USE_TBBR_DEFS
  #include <tools_share/tbbr_oid.h>
  #else
  #include <platform_oid.h>
  #endif
  
  static auth_param_type_desc_t scp_bl2u_hash = AUTH_PARAM_TYPE_DESC(
  		AUTH_PARAM_HASH, SCP_FWU_CFG_HASH_OID);
  static auth_param_type_desc_t bl2u_hash = AUTH_PARAM_TYPE_DESC(
  		AUTH_PARAM_HASH, AP_FWU_CFG_HASH_OID);
  static auth_param_type_desc_t ns_bl2u_hash = AUTH_PARAM_TYPE_DESC(
  		AUTH_PARAM_HASH, FWU_HASH_OID);
  
  static const auth_img_desc_t bl2_image = {
  	.img_id = BL2_IMAGE_ID,
  	.img_type = IMG_RAW,
  	.parent = &trusted_boot_fw_cert,
  	.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
  		[0] = {
  			.type = AUTH_METHOD_HASH,
  			.param.hash = {
  				.data = &raw_data,
  				.hash = &tb_fw_hash
  			}
  		}
  	}
  };
  
  /*
   * FWU auth descriptor.
   */
  static const auth_img_desc_t fwu_cert = {
  	.img_id = FWU_CERT_ID,
  	.img_type = IMG_CERT,
  	.parent = NULL,
  	.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
  		[0] = {
  			.type = AUTH_METHOD_SIG,
  			.param.sig = {
  				.pk = &subject_pk,
  				.sig = &sig,
  				.alg = &sig_alg,
  				.data = &raw_data
  			}
  		}
  	},
  	.authenticated_data = (const auth_param_desc_t[COT_MAX_VERIFIED_PARAMS]) {
  		[0] = {
  			.type_desc = &scp_bl2u_hash,
  			.data = {
  				.ptr = (void *)scp_fw_hash_buf,
  				.len = (unsigned int)HASH_DER_LEN
  			}
  		},
  		[1] = {
  			.type_desc = &bl2u_hash,
  			.data = {
  				.ptr = (void *)tb_fw_hash_buf,
  				.len = (unsigned int)HASH_DER_LEN
  			}
  		},
  		[2] = {
  			.type_desc = &ns_bl2u_hash,
  			.data = {
  				.ptr = (void *)nt_world_bl_hash_buf,
  				.len = (unsigned int)HASH_DER_LEN
  			}
  		}
  	}
  };
  /*
   * SCP_BL2U
   */
  static const auth_img_desc_t scp_bl2u_image = {
  	.img_id = SCP_BL2U_IMAGE_ID,
  	.img_type = IMG_RAW,
  	.parent = &fwu_cert,
  	.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
  		[0] = {
  			.type = AUTH_METHOD_HASH,
  			.param.hash = {
  				.data = &raw_data,
  				.hash = &scp_bl2u_hash
  			}
  		}
  	}
  };
  /*
   * BL2U
   */
  static const auth_img_desc_t bl2u_image = {
  	.img_id = BL2U_IMAGE_ID,
  	.img_type = IMG_RAW,
  	.parent = &fwu_cert,
  	.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
  		[0] = {
  			.type = AUTH_METHOD_HASH,
  			.param.hash = {
  				.data = &raw_data,
  				.hash = &bl2u_hash
  			}
  		}
  	}
  };
  /*
   * NS_BL2U
   */
  static const auth_img_desc_t ns_bl2u_image = {
  	.img_id = NS_BL2U_IMAGE_ID,
  	.img_type = IMG_RAW,
  	.parent = &fwu_cert,
  	.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
  		[0] = {
  			.type = AUTH_METHOD_HASH,
  			.param.hash = {
  				.data = &raw_data,
  				.hash = &ns_bl2u_hash
  				}
  			}
  		}
  };
  /*
   * TB_FW_CONFIG
   */
  static const auth_img_desc_t tb_fw_config = {
  	.img_id = TB_FW_CONFIG_ID,
  	.img_type = IMG_RAW,
  	.parent = &trusted_boot_fw_cert,
  	.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
  		[0] = {
  			.type = AUTH_METHOD_HASH,
  			.param.hash = {
  				.data = &raw_data,
  				.hash = &tb_fw_config_hash
  			}
  		}
  	}
  };
  
  static const auth_img_desc_t fw_config = {
  	.img_id = FW_CONFIG_ID,
  	.img_type = IMG_RAW,
  	.parent = &trusted_boot_fw_cert,
  	.img_auth_methods = (const auth_method_desc_t[AUTH_METHOD_NUM]) {
  		[0] = {
  			.type = AUTH_METHOD_HASH,
  			.param.hash = {
  				.data = &raw_data,
  				.hash = &fw_config_hash
  			}
  		}
  	}
  };
  
  /*
   * TBBR Chain of trust definition
   */
  static const auth_img_desc_t * const cot_desc[] = {
  	[TRUSTED_BOOT_FW_CERT_ID]		=	&trusted_boot_fw_cert,
  	[BL2_IMAGE_ID]				=	&bl2_image,
  	[HW_CONFIG_ID]				=	&hw_config,
  	[TB_FW_CONFIG_ID]			=	&tb_fw_config,
  	[FW_CONFIG_ID]				=	&fw_config,
  	[FWU_CERT_ID]				=	&fwu_cert,
  	[SCP_BL2U_IMAGE_ID]			=	&scp_bl2u_image,
  	[BL2U_IMAGE_ID]				=	&bl2u_image,
  	[NS_BL2U_IMAGE_ID]			=	&ns_bl2u_image
  };
  
  /* Register the CoT in the authentication module */
  REGISTER_COT(cot_desc);
  