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"||" is the concatenation operator. The number in braces is the length of the hash input value in bytes.
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#define | ATCA_MSG_SIZE_NONCE (55) |
| RandOut{32} || NumIn{20} || OpCode{1} || Mode{1} || LSB of Param2{1}.
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#define | ATCA_MSG_SIZE_MAC (88) |
| (Key or TempKey){32} || (Challenge or TempKey){32} || OpCode{1} || Mode{1} || Param2{2} || (OTP0_7 or 0){8} || (OTP8_10 or 0){3} || SN8{1} || (SN4_7 or 0){4} || SN0_1{2} || (SN2_3 or 0){2}
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#define | ATCA_MSG_SIZE_HMAC (88u) |
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#define | ATCA_MSG_SIZE_GEN_DIG (96) |
| KeyId{32} || OpCode{1} || Param1{1} || Param2{2} || SN8{1} || SN0_1{2} || 0{25} || TempKey{32}.
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#define | ATCA_MSG_SIZE_DIVERSIFIED_KEY (96) |
| ParentKey{32} || OtherData{4} || SN8{1} || SN0_1{2} || 0{25} || InputData{32}.
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#define | ATCA_MSG_SIZE_DERIVE_KEY (96) |
| KeyId{32} || OpCode{1} || Param1{1} || Param2{2} || SN8{1} || SN0_1{2} || 0{25} || TempKey{32}.
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#define | ATCA_MSG_SIZE_DERIVE_KEY_MAC (39) |
| KeyId{32} || OpCode{1} || Param1{1} || Param2{2} || SN8{1} || SN0_1{2}.
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#define | ATCA_MSG_SIZE_ENCRYPT_MAC (96) |
| KeyId{32} || OpCode{1} || Param1{1} || Param2{2}|| SN8{1} || SN0_1{2} || 0{25} || TempKey{32}.
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#define | ATCA_MSG_SIZE_SESSION_KEY (96) |
| TransportKey{32} || 0x15{1} || 0x00{1} || KeyId{2} || SN8{1} || SN0_1{2} || 0{25} || Nonce{32}.
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#define | ATCA_MSG_SIZE_DELETE_MAC (96) |
| Hmac/SecretKey{32} || 0x13{1} || 0x00{1} || 0x0000{2} || SN8{1} || SN0_1{2} || 0{25} || Nonce{32}.
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#define | ATCA_MSG_SIZE_RESPONSE_MAC (97) |
| SlotKey{32} || Opcode{1} || Param1{1} || Param2{2} || SN8{1} || SN0_1{2} || 0{25} || client_Resp{32} || checkmac_result{1}.
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#define | ATCA_MSG_SIZE_PRIVWRITE_MAC (96) |
| KeyId{32} || OpCode{1} || Param1{1} || Param2{2}|| SN8{1} || SN0_1{2} || 0{21} || PlainText{36}.
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#define | ATCA_COMMAND_HEADER_SIZE ( 4) |
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#define | ATCA_GENDIG_ZEROS_SIZE (25) |
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#define | ATCA_GENDIVKEY_ZEROS_SIZE (25) |
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#define | ATCA_WRITE_MAC_ZEROS_SIZE (25) |
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#define | ATCA_DELETE_MAC_ZEROS_SIZE (25) |
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#define | ATCA_RESP_MAC_ZEROS_SIZE (25) |
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#define | ATCA_PRIVWRITE_MAC_ZEROS_SIZE (21) |
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#define | ATCA_PRIVWRITE_PLAIN_TEXT_SIZE (36) |
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#define | ATCA_DERIVE_KEY_ZEROS_SIZE (25) |
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#define | ATCA_HMAC_BLOCK_SIZE (64u) |
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#define | ATCA_ENCRYPTION_KEY_SIZE (64) |
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#define | MAC_MODE_USE_TEMPKEY_MASK ((uint8_t)0x03) |
| mode mask for MAC command when using TempKey
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typedef struct atca_temp_key | atca_temp_key_t |
| Structure to hold TempKey fields.
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typedef struct atca_nonce_in_out | atca_nonce_in_out_t |
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typedef struct atca_io_decrypt_in_out | atca_io_decrypt_in_out_t |
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typedef struct atca_verify_mac | atca_verify_mac_in_out_t |
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typedef struct atca_secureboot_enc_in_out | atca_secureboot_enc_in_out_t |
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typedef struct atca_secureboot_mac_in_out | atca_secureboot_mac_in_out_t |
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typedef struct atca_mac_in_out | atca_mac_in_out_t |
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typedef struct atca_gen_dig_in_out | atca_gen_dig_in_out_t |
| Input/output parameters for function atcah_gen_dig().
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typedef struct atca_diversified_key_in_out | atca_diversified_key_in_out_t |
| Input/output parameters for function atcah_gendivkey().
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typedef struct atca_write_mac_in_out | atca_write_mac_in_out_t |
| Input/output parameters for function atcah_write_auth_mac() and atcah_privwrite_auth_mac().
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typedef struct atca_check_mac_in_out | atca_check_mac_in_out_t |
| Input/output parameters for function atcah_check_mac().
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typedef struct atca_resp_mac_in_out | atca_resp_mac_in_out_t |
| Input/Output parameters for calculating the output response mac in SHA105 device. Used with the atcah_gen_output_resp_mac() function.
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typedef struct atca_verify_in_out | atca_verify_in_out_t |
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typedef struct atca_gen_key_in_out | atca_gen_key_in_out_t |
| Input/output parameters for calculating the PubKey digest put into TempKey by the GenKey command with the atcah_gen_key_msg() function.
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typedef struct atca_sign_internal_in_out | atca_sign_internal_in_out_t |
| Input/output parameters for calculating the message and digest used by the Sign(internal) command. Used with the atcah_sign_internal_msg() function.
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typedef struct atca_session_key_in_out | atca_session_key_in_out_t |
| Input/Output paramters for calculating the session key by the nonce command. Used with the atcah_gen_session_key() function.
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typedef struct atca_delete_in_out | atca_delete_in_out_t |
| Input/Output paramters for calculating the mac.Used with Delete command.
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Definitions and Prototypes for ATCA Utility Functions.
- Copyright
- (c) 2015-2020 Microchip Technology Inc. and its subsidiaries.