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This commit is contained in:
TamtamHero
2020-12-01 16:20:13 +01:00
parent 1421a74be5
commit 17bd07a346
80 changed files with 8859 additions and 5091 deletions
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84
src_features/signMessageEIP712/cmd_signMessage712.c
View File

@@ -3,52 +3,58 @@
#include "utils.h"
#include "ui_flow.h"
static const char const SIGN_MAGIC[] = "\x19"
"Ethereum Signed Message:\n";
static const char const SIGN_MAGIC[] =
"\x19"
"Ethereum Signed Message:\n";
void handleSignEIP712Message(uint8_t p1, uint8_t p2, uint8_t *workBuffer, uint16_t dataLength, unsigned int *flags, unsigned int *tx) {
uint8_t i;
void handleSignEIP712Message(uint8_t p1,
uint8_t p2,
uint8_t *workBuffer,
uint16_t dataLength,
unsigned int *flags,
unsigned int *tx) {
uint8_t i;
UNUSED(tx);
if ((p1 != 00) || (p2 != 00)) {
THROW(0x6B00);
}
if (appState != APP_STATE_IDLE) {
reset_app_context();
}
if (dataLength < 1) {
PRINTF("Invalid data\n");
THROW(0x6a80);
}
tmpCtx.messageSigningContext712.pathLength = workBuffer[0];
if ((tmpCtx.messageSigningContext712.pathLength < 0x01) ||
(tmpCtx.messageSigningContext712.pathLength > MAX_BIP32_PATH)) {
PRINTF("Invalid path\n");
THROW(0x6a80);
}
workBuffer++;
dataLength--;
for (i = 0; i < tmpCtx.messageSigningContext712.pathLength; i++) {
if (dataLength < 4) {
PRINTF("Invalid data\n");
THROW(0x6a80);
UNUSED(tx);
if ((p1 != 00) || (p2 != 00)) {
THROW(0x6B00);
}
tmpCtx.messageSigningContext712.bip32Path[i] = U4BE(workBuffer, 0);
workBuffer += 4;
dataLength -= 4;
}
if (dataLength < 32 + 32) {
PRINTF("Invalid data\n");
THROW(0x6a80);
}
memmove(tmpCtx.messageSigningContext712.domainHash, workBuffer, 32);
memmove(tmpCtx.messageSigningContext712.messageHash, workBuffer + 32, 32);
if (appState != APP_STATE_IDLE) {
reset_app_context();
}
if (dataLength < 1) {
PRINTF("Invalid data\n");
THROW(0x6a80);
}
tmpCtx.messageSigningContext712.pathLength = workBuffer[0];
if ((tmpCtx.messageSigningContext712.pathLength < 0x01) ||
(tmpCtx.messageSigningContext712.pathLength > MAX_BIP32_PATH)) {
PRINTF("Invalid path\n");
THROW(0x6a80);
}
workBuffer++;
dataLength--;
for (i = 0; i < tmpCtx.messageSigningContext712.pathLength; i++) {
if (dataLength < 4) {
PRINTF("Invalid data\n");
THROW(0x6a80);
}
tmpCtx.messageSigningContext712.bip32Path[i] = U4BE(workBuffer, 0);
workBuffer += 4;
dataLength -= 4;
}
if (dataLength < 32 + 32) {
PRINTF("Invalid data\n");
THROW(0x6a80);
}
memmove(tmpCtx.messageSigningContext712.domainHash, workBuffer, 32);
memmove(tmpCtx.messageSigningContext712.messageHash, workBuffer + 32, 32);
#ifdef NO_CONSENT
io_seproxyhal_touch_signMessage_ok(NULL);
#else //NO_CONSENT
#else // NO_CONSENT
ux_flow_init(0, ux_sign_712_v0_flow, NULL);
#endif // NO_CONSENT
#endif // NO_CONSENT
*flags |= IO_ASYNCH_REPLY;
}

54
src_features/signMessageEIP712/ui_common_signMessage712.c
View File

@@ -1,7 +1,7 @@
#include "shared_context.h"
#include "ui_callbacks.h"
static const uint8_t const EIP_712_MAGIC[] = { 0x19, 0x01 };
static const uint8_t const EIP_712_MAGIC[] = {0x19, 0x01};
unsigned int io_seproxyhal_touch_signMessage712_v0_ok(const bagl_element_t *e) {
uint8_t privateKeyData[32];
@@ -12,32 +12,51 @@ unsigned int io_seproxyhal_touch_signMessage712_v0_ok(const bagl_element_t *e) {
uint32_t tx = 0;
io_seproxyhal_io_heartbeat();
cx_keccak_init(&global_sha3, 256);
cx_hash((cx_hash_t *)&global_sha3, 0, (uint8_t*)EIP_712_MAGIC, sizeof(EIP_712_MAGIC), NULL, 0);
cx_hash((cx_hash_t *)&global_sha3, 0, tmpCtx.messageSigningContext712.domainHash,
sizeof(tmpCtx.messageSigningContext712.domainHash), NULL, 0);
cx_hash((cx_hash_t *)&global_sha3, CX_LAST, tmpCtx.messageSigningContext712.messageHash,
sizeof(tmpCtx.messageSigningContext712.messageHash), hash, sizeof(hash));
cx_hash((cx_hash_t *) &global_sha3,
0,
(uint8_t *) EIP_712_MAGIC,
sizeof(EIP_712_MAGIC),
NULL,
0);
cx_hash((cx_hash_t *) &global_sha3,
0,
tmpCtx.messageSigningContext712.domainHash,
sizeof(tmpCtx.messageSigningContext712.domainHash),
NULL,
0);
cx_hash((cx_hash_t *) &global_sha3,
CX_LAST,
tmpCtx.messageSigningContext712.messageHash,
sizeof(tmpCtx.messageSigningContext712.messageHash),
hash,
sizeof(hash));
PRINTF("EIP712 hash to sign %.*H\n", 32, hash);
io_seproxyhal_io_heartbeat();
os_perso_derive_node_bip32(
CX_CURVE_256K1, tmpCtx.messageSigningContext712.bip32Path,
tmpCtx.messageSigningContext712.pathLength, privateKeyData, NULL);
os_perso_derive_node_bip32(CX_CURVE_256K1,
tmpCtx.messageSigningContext712.bip32Path,
tmpCtx.messageSigningContext712.pathLength,
privateKeyData,
NULL);
io_seproxyhal_io_heartbeat();
cx_ecfp_init_private_key(CX_CURVE_256K1, privateKeyData, 32, &privateKey);
explicit_bzero(privateKeyData, sizeof(privateKeyData));
unsigned int info = 0;
io_seproxyhal_io_heartbeat();
signatureLength =
cx_ecdsa_sign(&privateKey, CX_RND_RFC6979 | CX_LAST, CX_SHA256,
hash,
sizeof(hash), signature, sizeof(signature), &info);
signatureLength = cx_ecdsa_sign(&privateKey,
CX_RND_RFC6979 | CX_LAST,
CX_SHA256,
hash,
sizeof(hash),
signature,
sizeof(signature),
&info);
explicit_bzero(&privateKey, sizeof(privateKey));
G_io_apdu_buffer[0] = 27;
if (info & CX_ECCINFO_PARITY_ODD) {
G_io_apdu_buffer[0]++;
G_io_apdu_buffer[0]++;
}
if (info & CX_ECCINFO_xGTn) {
G_io_apdu_buffer[0] += 2;
G_io_apdu_buffer[0] += 2;
}
format_signature_out(signature);
tx = 65;
@@ -48,7 +67,7 @@ unsigned int io_seproxyhal_touch_signMessage712_v0_ok(const bagl_element_t *e) {
io_exchange(CHANNEL_APDU | IO_RETURN_AFTER_TX, tx);
// Display back the original UX
ui_idle();
return 0; // do not redraw the widget
return 0; // do not redraw the widget
}
unsigned int io_seproxyhal_touch_signMessage712_v0_cancel(const bagl_element_t *e) {
@@ -59,6 +78,5 @@ unsigned int io_seproxyhal_touch_signMessage712_v0_cancel(const bagl_element_t *
io_exchange(CHANNEL_APDU | IO_RETURN_AFTER_TX, 2);
// Display back the original UX
ui_idle();
return 0; // do not redraw the widget
return 0; // do not redraw the widget
}

18
src_features/signMessageEIP712/ui_flow_signMessage712.c
View File

@@ -2,13 +2,14 @@
#include "ui_callbacks.h"
void prepare_domain_hash_v0() {
snprintf(strings.tmp.tmp, 70, "0x%.*H", 32, tmpCtx.messageSigningContext712.domainHash);
snprintf(strings.tmp.tmp, 70, "0x%.*H", 32, tmpCtx.messageSigningContext712.domainHash);
}
void prepare_message_hash_v0() {
snprintf(strings.tmp.tmp, 70, "0x%.*H", 32, tmpCtx.messageSigningContext712.messageHash);
snprintf(strings.tmp.tmp, 70, "0x%.*H", 32, tmpCtx.messageSigningContext712.messageHash);
}
// clang-format off
UX_STEP_NOCB(
ux_sign_712_v0_flow_1_step,
pnn,
@@ -51,12 +52,11 @@ UX_STEP_CB(
"Cancel",
"signature",
});
// clang-format on
UX_FLOW(ux_sign_712_v0_flow,
&ux_sign_712_v0_flow_1_step,
&ux_sign_712_v0_flow_2_step,
&ux_sign_712_v0_flow_3_step,
&ux_sign_712_v0_flow_4_step,
&ux_sign_712_v0_flow_5_step
);
&ux_sign_712_v0_flow_1_step,
&ux_sign_712_v0_flow_2_step,
&ux_sign_712_v0_flow_3_step,
&ux_sign_712_v0_flow_4_step,
&ux_sign_712_v0_flow_5_step);