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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/stark_unsafe_sign/cmd_stark_unsafe_sign.c
View File

@@ -6,49 +6,53 @@
#include "ui_flow.h"
#include "ui_callbacks.h"
void handleStarkwareUnsafeSign(uint8_t p1, uint8_t p2, uint8_t *dataBuffer, uint16_t dataLength, unsigned int *flags, unsigned int *tx) {
uint32_t i;
uint8_t privateKeyData[32];
cx_ecfp_public_key_t publicKey;
cx_ecfp_private_key_t privateKey;
uint8_t bip32PathLength = *(dataBuffer);
uint8_t offset = 1;
// Initial checks
if (appState != APP_STATE_IDLE) {
reset_app_context();
}
if ((bip32PathLength < 0x01) ||
(bip32PathLength > MAX_BIP32_PATH)) {
PRINTF("Invalid path\n");
THROW(0x6a80);
}
if ((p1 != 0) || (p2 != 0)) {
THROW(0x6B00);
}
void handleStarkwareUnsafeSign(uint8_t p1,
uint8_t p2,
uint8_t *dataBuffer,
uint16_t dataLength,
unsigned int *flags,
unsigned int *tx) {
uint32_t i;
uint8_t privateKeyData[32];
cx_ecfp_public_key_t publicKey;
cx_ecfp_private_key_t privateKey;
uint8_t bip32PathLength = *(dataBuffer);
uint8_t offset = 1;
// Initial checks
if (appState != APP_STATE_IDLE) {
reset_app_context();
}
if ((bip32PathLength < 0x01) || (bip32PathLength > MAX_BIP32_PATH)) {
PRINTF("Invalid path\n");
THROW(0x6a80);
}
if ((p1 != 0) || (p2 != 0)) {
THROW(0x6B00);
}
if (dataLength != 32 + 4 * bip32PathLength + 1) {
THROW(0x6700);
}
if (dataLength != 32 + 4 * bip32PathLength + 1) {
THROW(0x6700);
}
tmpCtx.transactionContext.pathLength = bip32PathLength;
for (i = 0; i < bip32PathLength; i++) {
tmpCtx.transactionContext.bip32Path[i] = U4BE(dataBuffer, offset);
PRINTF("Storing path %d %d\n", i, tmpCtx.transactionContext.bip32Path[i]);
offset += 4;
}
memmove(dataContext.starkContext.w2, dataBuffer + offset, 32);
io_seproxyhal_io_heartbeat();
starkDerivePrivateKey(tmpCtx.transactionContext.bip32Path, bip32PathLength, privateKeyData);
cx_ecfp_init_private_key(CX_CURVE_Stark256, privateKeyData, 32, &privateKey);
io_seproxyhal_io_heartbeat();
cx_ecfp_generate_pair(CX_CURVE_Stark256, &publicKey, &privateKey, 1);
explicit_bzero(&privateKey, sizeof(privateKey));
explicit_bzero(privateKeyData, sizeof(privateKeyData));
io_seproxyhal_io_heartbeat();
memmove(dataContext.starkContext.w1, publicKey.W + 1, 32);
ux_flow_init(0, ux_stark_unsafe_sign_flow, NULL);
tmpCtx.transactionContext.pathLength = bip32PathLength;
for (i = 0; i < bip32PathLength; i++) {
tmpCtx.transactionContext.bip32Path[i] = U4BE(dataBuffer, offset);
PRINTF("Storing path %d %d\n", i, tmpCtx.transactionContext.bip32Path[i]);
offset += 4;
}
memmove(dataContext.starkContext.w2, dataBuffer + offset, 32);
io_seproxyhal_io_heartbeat();
starkDerivePrivateKey(tmpCtx.transactionContext.bip32Path, bip32PathLength, privateKeyData);
cx_ecfp_init_private_key(CX_CURVE_Stark256, privateKeyData, 32, &privateKey);
io_seproxyhal_io_heartbeat();
cx_ecfp_generate_pair(CX_CURVE_Stark256, &publicKey, &privateKey, 1);
explicit_bzero(&privateKey, sizeof(privateKey));
explicit_bzero(privateKeyData, sizeof(privateKeyData));
io_seproxyhal_io_heartbeat();
memmove(dataContext.starkContext.w1, publicKey.W + 1, 32);
ux_flow_init(0, ux_stark_unsafe_sign_flow, NULL);
*flags |= IO_ASYNCH_REPLY;
*flags |= IO_ASYNCH_REPLY;
}
#endif

16
src_features/stark_unsafe_sign/ui_common_stark_unsafe_sign.c
View File

@@ -11,11 +11,19 @@ unsigned int io_seproxyhal_touch_stark_unsafe_sign_ok(const bagl_element_t *e) {
unsigned int info = 0;
uint32_t tx = 0;
io_seproxyhal_io_heartbeat();
starkDerivePrivateKey(tmpCtx.transactionContext.bip32Path, tmpCtx.transactionContext.pathLength, privateKeyData);
starkDerivePrivateKey(tmpCtx.transactionContext.bip32Path,
tmpCtx.transactionContext.pathLength,
privateKeyData);
io_seproxyhal_io_heartbeat();
cx_ecfp_init_private_key(CX_CURVE_Stark256, privateKeyData, 32, &privateKey);
cx_ecdsa_sign(&privateKey, CX_RND_RFC6979 | CX_LAST, CX_SHA256,
dataContext.starkContext.w2, sizeof(dataContext.starkContext.w2), signature, sizeof(signature), &info);
cx_ecdsa_sign(&privateKey,
CX_RND_RFC6979 | CX_LAST,
CX_SHA256,
dataContext.starkContext.w2,
sizeof(dataContext.starkContext.w2),
signature,
sizeof(signature),
&info);
G_io_apdu_buffer[0] = 0;
format_signature_out(signature);
tx = 65;
@@ -26,7 +34,7 @@ unsigned int io_seproxyhal_touch_stark_unsafe_sign_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
}
#endif

17
src_features/stark_unsafe_sign/ui_flow_stark_unsafe_sign.c
View File

@@ -6,13 +6,14 @@
unsigned int io_seproxyhal_touch_stark_unsafe_sign_ok(const bagl_element_t *e);
void stark_unsafe_sign_display_account() {
snprintf(strings.tmp.tmp, sizeof(strings.tmp.tmp), "0x%.*H", 32, dataContext.starkContext.w1);
snprintf(strings.tmp.tmp, sizeof(strings.tmp.tmp), "0x%.*H", 32, dataContext.starkContext.w1);
}
void stark_unsafe_sign_display_hash() {
snprintf(strings.tmp.tmp, sizeof(strings.tmp.tmp), "0x%.*H", 32, dataContext.starkContext.w2);
snprintf(strings.tmp.tmp, sizeof(strings.tmp.tmp), "0x%.*H", 32, dataContext.starkContext.w2);
}
// clang-format off
UX_STEP_NOCB(ux_stark_unsafe_sign_1_step,
pnn,
{
@@ -57,13 +58,13 @@ UX_STEP_CB(
&C_icon_crossmark,
"Reject",
});
// clang-format on
UX_FLOW(ux_stark_unsafe_sign_flow,
&ux_stark_unsafe_sign_1_step,
&ux_stark_unsafe_sign_2_step,
&ux_stark_unsafe_sign_3_step,
&ux_stark_unsafe_sign_4_step,
&ux_stark_unsafe_sign_5_step
);
&ux_stark_unsafe_sign_1_step,
&ux_stark_unsafe_sign_2_step,
&ux_stark_unsafe_sign_3_step,
&ux_stark_unsafe_sign_4_step,
&ux_stark_unsafe_sign_5_step);
#endif