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mars.cddl
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mars.cddl
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; Implementation specific parameters
; These parameters must be set by the implementor according to the
; relevant profile specification.
; Values used here are based on SHA-256 and HMAC-SHA256
uint16 = 0...65536
; Arbitrary length binary data
binary_data = bstr .size (0...2048)
; binary data of length PROFILE_LEN_DIGEST
digest_data = bstr .size 32
; binary data of length PROFILE_LEN_KSYM
ksym_data = bstr .size 32
; binary data of length PROFILE_LEN_KPUB
kpub_data = bstr .size 0
; binary data of length PROFILE_LEN_SIGN
sign_data = bstr .size 32
; bit mask selecting PCRs and TSRs
reg_select_type = uint .size 4
; index of a PCR or TSR
reg_index_type = uint .size 1
; End of implementation specific parameters
; MARS Command Codes
CC_SelfTest = 0
CC_CapabilityGet = 1
CC_SequenceHash = 2
CC_SequenceUpdate = 3
CC_SequenceComplete = 4
CC_PcrExtend = 5
CC_RegRead = 6
CC_Derive = 7
CC_DpDerive = 8
CC_PublicRead = 9
CC_Quote = 10
CC_Sign = 11
CC_SignatureVerify = 12
; MARS Response Codes
rc_success = 0
rc_io = 1
rc_failure = 2
rc_buffer = 4
rc_command = 5
rc_value = 6
rc_reg = 7
rc_seq = 8
; MARS Capability Property Tags
; number of consecutive PCRs implemented on this MARS
PT_PCR = 1
; number of consecutive TSRs implemented on this MARS
PT_TSR = 2
; size of a digest that can be processed or produced
PT_LEN_DIGEST = 3
; size of signature produced by CryptSign()
PT_LEN_SIGN = 4
; size of symmetric key produced by CryptSkdf()
PT_LEN_KSYM = 5
; size of asymmetric key returned by PublicRead()
PT_LEN_KPUB = 6
; size of private asymmetric key produced by CryptAkdf()
PT_LEN_KPRV = 7
; TCG-registered algorithm for hashing by CryptHash()
PT_ALG_HASH = 8
; TCG-registered algorithm for signing by CryptSign()
PT_ALG_SIGN = 9
; TCG-registered algorithm for symmetric key derivation by CryptSkdf()
PT_ALG_SKDF = 10
; TCG-registered algorithm for asymmetric key derivation by CryptAkdf()
PT_ALG_AKDF = 11
SelfTest = (
CC_SelfTest,
full_test: bool,
)
SelfTest_Rsp = (
rc_success /
rc_failure
)
CapabilityGet = (
CC_CapabilityGet,
capability: PT_PCR /
PT_TSR /
PT_LEN_DIGEST /
PT_LEN_SIGN /
PT_LEN_KSYM /
PT_LEN_KPUB /
PT_LEN_KPRV /
PT_ALG_HASH /
PT_ALG_SIGN /
PT_ALG_SKDF /
PT_ALG_AKDF,
)
CapabilityGet_Rsp = (
(rc_success,
capability_data: uint16) /
rc_value /
rc_buffer
)
SequenceHash = (
code: CC_SequenceHash,
)
SequenceHash_Rsp = (
rc_success /
rc_seq /
rc_command /
rc_failure
)
SequenceUpdate = (
CC_SequenceUpdate,
binary_data,
)
SequenceUpdate_Rsp = (
(rc_success,
binary_data) /
rc_seq /
rc_buffer /
rc_command /
rc_failure
)
SequenceComplete = (
CC_SequenceComplete,
)
SequenceComplete_Rsp = (
(rc_success,
binary_data) /
rc_seq /
rc_buffer /
rc_command /
rc_failure
)
PcrExtend = (
CC_PcrExtend,
reg_index: reg_index_type,
digest_data,
)
PcrExtend_Rsp = (
rc_success /
rc_reg /
rc_buffer /
rc_command /
rc_failure
)
RegRead = (
CC_RegRead,
reg_index: reg_index_type,
)
RegRead_Rsp = (
(rc_success,
digest_data) /
rc_reg /
rc_buffer /
rc_command /
rc_failure
)
Derive = (
CC_Derive,
reg_select: reg_select_type,
context: binary_data
)
Derive_Rsp = (
(rc_success,
ksym_data) /
rc_reg /
rc_buffer /
rc_command /
rc_failure
)
DpDerive = (
CC_DpDerive,
reg_select: reg_select_type,
context: nil / binary_data
)
DpDerive_Rsp = (
rc_success /
rc_reg /
rc_buffer /
rc_command /
rc_failure
)
PublicRead = (
CC_PublicRead,
retricted: bool,
context: binary_data,
)
PublicRead_Rsp = (
(rc_success,
kpub_data) /
rc_buffer /
rc_command /
rc_failure
)
Quote = (
CC_Quote,
reg_select: reg_select_type,
nonce: digest_data,
context: binary_data
)
Quote_Rsp = (
(rc_success,
sign_data) /
rc_reg /
rc_buffer /
rc_command /
rc_failure
)
Sign = (
CC_Sign,
context: binary_data,
digest: digest_data,
)
Sign_Rsp = (
(rc_success,
sign_data) /
rc_buffer /
rc_command /
rc_failure
)
SignatureVerify = (
CC_SignatureVerify,
retricted: bool,
context: binary_data,
digest: digest_data,
signature: sign_data,
)
SignatureVerify_Rsp = (
(rc_success,
bool) /
rc_buffer /
rc_command /
rc_failure
)
; MARS Command
mars_command = [
SelfTest /
CapabilityGet /
SequenceHash /
SequenceUpdate /
SequenceComplete /
PcrExtend /
RegRead /
Derive /
DpDerive /
PublicRead /
Quote /
Sign /
SignatureVerify
]
; MARS Response
; Due to pattern matching processing, the order of the response codes
; is important. The most specific response code must be first.
; This type is for convinience of validation. Implementation should
; use the specific response types bound to the command.
mars_response = [
rc:
PublicRead_Rsp /
Quote_Rsp /
Sign_Rsp /
RegRead_Rsp /
SignatureVerify_Rsp /
Derive_Rsp /
CapabilityGet_Rsp /
SequenceUpdate_Rsp /
SequenceComplete_Rsp /
SelfTest_Rsp /
SequenceHash_Rsp /
PcrExtend_Rsp /
DpDerive_Rsp
]