diff --git a/examples/platform/efr32/EFR32DeviceAttestationCreds.cpp b/examples/platform/efr32/EFR32DeviceAttestationCreds.cpp index 4f7453b79451ef..54873216262dce 100644 --- a/examples/platform/efr32/EFR32DeviceAttestationCreds.cpp +++ b/examples/platform/efr32/EFR32DeviceAttestationCreds.cpp @@ -22,7 +22,8 @@ #include "efr32_creds.h" #include "psa/crypto.h" -#include "sl_token_api.h" + +extern uint32_t linker_nvm_end; namespace chip { namespace Credentials { @@ -30,12 +31,15 @@ namespace EFR32 { namespace { +uint8_t * kCredBaseAddr = (uint8_t *) &linker_nvm_end; + class DeviceAttestationCredsEFR32 : public DeviceAttestationCredentialsProvider { + public: CHIP_ERROR GetCertificationDeclaration(MutableByteSpan & out_buffer) override { - ByteSpan cd_span(kCertificationDeclaration); + ByteSpan cd_span(kCredBaseAddr + EFR32_CREDENTIALS_CD_OFFSET, EFR32_CREDENTIALS_CD_SIZE); return CopySpanToMutableSpan(cd_span, out_buffer); } @@ -48,29 +52,19 @@ class DeviceAttestationCredsEFR32 : public DeviceAttestationCredentialsProvider CHIP_ERROR GetDeviceAttestationCert(MutableByteSpan & out_buffer) override { - uint8_t cert_buf[MFG_MATTER_DAC_SIZE]; - ByteSpan cert_span(cert_buf); - - int err = sl_token_get_data(CREATOR_MFG_MATTER_DAC, 0, cert_buf, sizeof(cert_buf)); - VerifyOrReturnError(!err, CHIP_ERROR_INTERNAL); - ChipLogByteSpan(DeviceLayer, cert_span); + ByteSpan cert_span(kCredBaseAddr + EFR32_CREDENTIALS_DAC_OFFSET, EFR32_CREDENTIALS_DAC_SIZE); return CopySpanToMutableSpan(cert_span, out_buffer); } CHIP_ERROR GetProductAttestationIntermediateCert(MutableByteSpan & out_pai_buffer) override { - uint8_t cert_buf[MFG_MATTER_PAI_SIZE]; - ByteSpan cert_span(cert_buf); - - int err = sl_token_get_data(CREATOR_MFG_MATTER_PAI, 0, cert_buf, sizeof(cert_buf)); - VerifyOrReturnError(!err, CHIP_ERROR_INTERNAL); - ChipLogByteSpan(DeviceLayer, cert_span); + ByteSpan cert_span(kCredBaseAddr + EFR32_CREDENTIALS_PAI_OFFSET, EFR32_CREDENTIALS_PAI_SIZE); return CopySpanToMutableSpan(cert_span, out_pai_buffer); } CHIP_ERROR SignWithDeviceAttestationKey(const ByteSpan & digest_to_sign, MutableByteSpan & out_buffer) override { - psa_key_id_t key_id = MFG_MATTER_DAC_KEY_ID; + psa_key_id_t key_id = EFR32_CREDENTIALS_DAC_KEY_ID; uint8_t signature[64] = { 0 }; size_t signature_size = sizeof(signature); diff --git a/examples/platform/efr32/efr32_creds.h b/examples/platform/efr32/efr32_creds.h index 52514adec3969f..dc5b537cc17e24 100644 --- a/examples/platform/efr32/efr32_creds.h +++ b/examples/platform/efr32/efr32_creds.h @@ -7,60 +7,18 @@ * * These credentials MUST be provided if the build variable "chip_build_device_attestation_credentials" is set to true. */ -#ifndef EFR32_EXAMPLE_DEVICE_CREDENTIALS -#define EFR32_EXAMPLE_DEVICE_CREDENTIALS +#ifndef EFR32_DEVICE_CREDENTIALS +#define EFR32_DEVICE_CREDENTIALS -//-> format_version = 1 -//-> vendor_id = 0xFFF1 -//-> product_id_array = [ 0x8000, 0x8001, 0x8002, 0x8003, 0x8004, 0x8005, 0x8006, 0x8007, 0x8008, 0x8009, 0x800A, 0x800B, -// 0x800C, 0x800D, 0x800E, 0x800F, 0x8010, 0x8011, 0x8012, 0x8013, 0x8014, 0x8015, 0x8016, 0x8017, 0x8018, 0x8019, 0x801A, -// 0x801B, 0x801C, 0x801D, 0x801E, 0x801F, 0x8020, 0x8021, 0x8022, 0x8023, 0x8024, 0x8025, 0x8026, 0x8027, 0x8028, 0x8029, -// 0x802A, 0x802B, 0x802C, 0x802D, 0x802E, 0x802F, 0x8030, 0x8031, 0x8032, 0x8033, 0x8034, 0x8035, 0x8036, 0x8037, 0x8038, -// 0x8039, 0x803A, 0x803B, 0x803C, 0x803D, 0x803E, 0x803F, 0x8040, 0x8041, 0x8042, 0x8043, 0x8044, 0x8045, 0x8046, 0x8047, -// 0x8048, 0x8049, 0x804A, 0x804B, 0x804C, 0x804D, 0x804E, 0x804F, 0x8050, 0x8051, 0x8052, 0x8053, 0x8054, 0x8055, 0x8056, -// 0x8057, 0x8058, 0x8059, 0x805A, 0x805B, 0x805C, 0x805D, 0x805E, 0x805F, 0x8060, 0x8061, 0x8062, 0x8063 ] -//-> device_type_id = 0x0016 -//-> certificate_id = "ZIG20142ZB330003-24" -//-> security_level = 0 -//-> security_information = 0 -//-> version_number = 0x2694 -//-> certification_type = 0 -//-> dac_origin_vendor_id is not present -//-> dac_origin_product_id is not present -const uint8_t kCertificationDeclaration[541] = { - 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0xf6, 0x0c, 0x02, 0x21, 0x00, 0xf8, 0xaa, 0x2f, 0xa7, 0x11, 0xfc, 0xb7, 0x9b, 0x97, 0xe3, 0x97, 0xce, 0xda, 0x66, 0x7b, 0xae, - 0x46, 0x4e, 0x2b, 0xd3, 0xff, 0xdf, 0xc3, 0xcc, 0xed, 0x7a, 0xa8, 0xca, 0x5f, 0x4c, 0x1a, 0x7c -}; +#define EFR32_CREDENTIALS_CD_OFFSET 0x0000 +#define EFR32_CREDENTIALS_CD_SIZE 541 -#define CREATOR_MFG_MATTER_PAI (USERDATA_TOKENS | 0x400) // 4 bytes -#define CREATOR_MFG_MATTER_DAC (USERDATA_TOKENS | 0x600) // 4 bytes +#define EFR32_CREDENTIALS_PAI_OFFSET 0x400 +#define EFR32_CREDENTIALS_PAI_SIZE 463 -#define MFG_MATTER_PAI_SIZE 463 -#define MFG_MATTER_DAC_SIZE 492 -#define MFG_MATTER_DAC_KEY_ID PSA_KEY_ID_USER_MIN + 1 +#define EFR32_CREDENTIALS_DAC_OFFSET 0x600 +#define EFR32_CREDENTIALS_DAC_SIZE 492 -#endif // EFR32_EXAMPLE_DEVICE_CREDENTIALS +#define EFR32_CREDENTIALS_DAC_KEY_ID PSA_KEY_ID_USER_MIN + 1 + +#endif // EFR32_DEVICE_CREDENTIALS