trezor-firmware/firmware/protob/messages.options

Initialize.state			max_size:64

Features.vendor				max_size:33
Features.device_id			max_size:25
Features.language			max_size:17
Features.label				max_size:33
Features.coins				max_count:16
Features.revision			max_size:20
Features.bootloader_hash		max_size:32
Features.model				max_size:17
Features.fw_vendor			max_size:256
Features.fw_vendor_keys			max_size:32

ApplySettings.language			max_size:17
ApplySettings.label			max_size:33
ApplySettings.homescreen		max_size:1024

Ping.message				max_size:256

Success.message				max_size:256

Failure.message				max_size:256

ButtonRequest.data			max_size:256

PinMatrixAck.pin			max_size:10

PassphraseAck.passphrase		max_size:51
PassphraseAck.state			max_size:64

PassphraseStateRequest.state		max_size:64

Entropy.entropy				max_size:1024

GetPublicKey.address_n			max_count:8
GetPublicKey.ecdsa_curve_name		max_size:32
GetPublicKey.coin_name			max_size:21

PublicKey.xpub				max_size:113

GetAddress.address_n			max_count:8
GetAddress.coin_name			max_size:21

Address.address				max_size:130

EthereumGetAddress.address_n		max_count:8
EthereumAddress.address			max_size:20

LoadDevice.mnemonic			max_size:241
LoadDevice.pin				max_size:10
LoadDevice.language			max_size:17
LoadDevice.label			max_size:33

ResetDevice.language			max_size:17
ResetDevice.label			max_size:33

EntropyAck.entropy			max_size:128

RecoveryDevice.language			max_size:17
RecoveryDevice.label			max_size:33

WordAck.word				max_size:12

SignMessage.address_n			max_count:8
SignMessage.message			max_size:1024
SignMessage.coin_name			max_size:21

VerifyMessage.address			max_size:130
VerifyMessage.signature			max_size:65
VerifyMessage.message			max_size:1024
VerifyMessage.coin_name			max_size:21

MessageSignature.address		max_size:130
MessageSignature.signature		max_size:65

EthereumSignMessage.address_n		max_count:8
EthereumSignMessage.message		max_size:1024

EthereumVerifyMessage.address		max_size:20
EthereumVerifyMessage.signature		max_size:65
EthereumVerifyMessage.message		max_size:1024

EthereumMessageSignature.address	max_size:20
EthereumMessageSignature.signature	max_size:65

# deprecated
EncryptMessage				skip_message:true
# EncryptMessage.pubkey			max_size:33
# EncryptMessage.message		max_size:1024
# EncryptMessage.address_n		max_count:8
# EncryptMessage.coin_name		max_size:21

# deprecated
EncryptedMessage			skip_message:true
# EncryptedMessage.nonce		max_size:33
# EncryptedMessage.message		max_size:1120
# EncryptedMessage.hmac			max_size:8

# deprecated
DecryptMessage				skip_message:true
# DecryptMessage.address_n		max_count:8
# DecryptMessage.nonce			max_size:33
# DecryptMessage.message		max_size:1120 # 1 + 9 + 1024 + 21 + 65
# DecryptMessage.hmac			max_size:8

# deprecated
DecryptedMessage			skip_message:true
# DecryptedMessage.address		max_size:130
# DecryptedMessage.message		max_size:1024

CipherKeyValue.address_n		max_count:8
CipherKeyValue.key			max_size:256
CipherKeyValue.value			max_size:1024
CipherKeyValue.iv			max_size:16

CipheredKeyValue.value			max_size:1024

# deprecated
EstimateTxSize				skip_message:true
# EstimateTxSize.coin_name		max_size:21

# deprecated
TxSize					skip_message:true

SignTx.coin_name			max_size:21

EthereumSignTx.address_n		max_count:8
EthereumSignTx.nonce			max_size:32
EthereumSignTx.gas_price		max_size:32
EthereumSignTx.gas_limit		max_size:32
EthereumSignTx.to			max_size:20
EthereumSignTx.value			max_size:32
EthereumSignTx.data_initial_chunk	max_size:1024

EthereumTxRequest.signature_r		max_size:32
EthereumTxRequest.signature_s		max_size:32

EthereumTxAck.data_chunk		max_size:1024

SignIdentity.challenge_hidden		max_size:256
SignIdentity.challenge_visual		max_size:256
SignIdentity.ecdsa_curve_name		max_size:32

SignedIdentity.address			max_size:130
SignedIdentity.public_key		max_size:33
SignedIdentity.signature		max_size:65

GetECDHSessionKey.peer_public_key	max_size:65
GetECDHSessionKey.ecdsa_curve_name	max_size:32

ECDHSessionKey.session_key		max_size:65

NEMGetAddress.address_n			max_count:8

NEMAddress.address			max_size:41

NEMSignedTx.data			max_size:2048
NEMSignedTx.signature			max_size:64

NEMDecryptMessage.address_n		max_count:8
NEMDecryptMessage.public_key		max_size:32
NEMDecryptMessage.payload		max_size:1072

NEMDecryptedMessage.payload		max_size:1024

CosiCommit.address_n			max_count:8
CosiCommit.data				max_size:32

CosiCommitment.commitment		max_size:32
CosiCommitment.pubkey			max_size:32

CosiSign.address_n			max_count:8
CosiSign.data				max_size:32
CosiSign.global_commitment		max_size:32
CosiSign.global_pubkey			max_size:32

CosiSignature.signature			max_size:32


# Stellar
StellarGetPublicKey.address_n       max_count:10

StellarPublicKey.public_key         max_size:32

StellarSignMessage.address_n max_count:10
StellarSignMessage.message   max_size:1024

StellarMessageSignature.public_key max_size:32
StellarMessageSignature.signature  max_size:64

StellarVerifyMessage.public_key max_size:32
StellarVerifyMessage.message    max_size:1024
StellarVerifyMessage.signature  max_size:64

StellarMessageVerification.public_key   max_size: 32

StellarSignTx.address_n             max_count:10
StellarSignTx.network_passphrase    max_size:1024
StellarSignTx.source_account        max_size:32
StellarSignTx.memo_text             max_size:29
StellarSignTx.memo_hash             max_size:32

StellarPaymentOp.source_account       max_size:32
StellarPaymentOp.destination_account  max_size:32

StellarCreateAccountOp.source_account max_size:32
StellarCreateAccountOp.new_account    max_size:32

StellarPathPaymentOp.source_account      max_size:32
StellarPathPaymentOp.destination_account max_size:32
StellarPathPaymentOp.paths               max_count:5

StellarManageOfferOp.source_account max_size:32

StellarCreatePassiveOfferOp.source_account max_size:32

StellarSetOptionsOp.source_account                max_size:32
StellarSetOptionsOp.inflation_destination_account max_size:32
StellarSetOptionsOp.home_domain                   max_size:33
StellarSetOptionsOp.signer_key                    max_size:32

StellarChangeTrustOp.source_account max_size:32

StellarAllowTrustOp.source_account  max_size:32
StellarAllowTrustOp.trusted_account max_size:32
StellarAllowTrustOp.asset_code max_size:13

StellarAccountMergeOp.source_account      max_size:32
StellarAccountMergeOp.destination_account max_size:32

StellarManageDataOp.source_account      max_size:32
StellarManageDataOp.key                 max_size:65
StellarManageDataOp.value               max_size:65

StellarBumpSequenceOp.source_account    max_size:32

StellarSignedTx.public_key          max_size:32
StellarSignedTx.signature           max_size:64 # ed25519 signatures are 64 bytes, this does not include the hint


# deprecated
SimpleSignTx				skip_message:true

# not used in firmware, just in bootloader

FirmwareErase				skip_message:true
FirmwareRequest				skip_message:true
FirmwareUpload				skip_message:true
SelfTest				skip_message:true

# used only in debug firmware

DebugLinkDecision.input			max_size:33

DebugLinkState.layout			max_size:1024
DebugLinkState.pin			max_size:10
DebugLinkState.matrix			max_size:10
DebugLinkState.mnemonic			max_size:241
DebugLinkState.reset_word		max_size:12
DebugLinkState.reset_entropy		max_size:128
DebugLinkState.recovery_fake_word	max_size:12

DebugLinkLog.bucket			max_size:33
DebugLinkLog.text			max_size:256

DebugLinkMemory.memory			max_size:1024
DebugLinkMemoryWrite.memory		max_size:1024