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Add Ledger signature checking for external plugins

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This commit is contained in:
TamtamHero
2021-05-04 23:33:33 +02:00
committed by pscott
parent 46ebe6320a
commit 0bd5fa717e
4 changed files with 62 additions and 21 deletions
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23
src_features/provideErc20TokenInformation/cmd_provideTokenInfo.c
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@@ -1,16 +1,7 @@
#include "shared_context.h"
#include "apdu_constants.h"
#include "ui_flow.h"
static const uint8_t const TOKEN_SIGNATURE_PUBLIC_KEY[] = {
// production key 2019-01-11 03:07PM (erc20signer)
0x04,
0x5e, 0x6c, 0x10, 0x20, 0xc1, 0x4d, 0xc4, 0x64, 0x42, 0xfe, 0x89, 0xf9, 0x7c, 0x0b, 0x68, 0xcd,
0xb1, 0x59, 0x76, 0xdc, 0x24, 0xf2, 0x4c, 0x31, 0x6e, 0x7b, 0x30, 0xfe, 0x4e, 0x8c, 0xc7, 0x6b,
0x14, 0x89, 0x15, 0x0c, 0x21, 0x51, 0x4e, 0xbf, 0x44, 0x0f, 0xf5, 0xde, 0xa5, 0x39, 0x3d, 0x83,
0xde, 0x53, 0x58, 0xcd, 0x09, 0x8f, 0xce, 0x8f, 0xd0, 0xf8, 0x1d, 0xaa, 0x94, 0x97, 0x91, 0x83};
#include "tokens.h"
#ifdef HAVE_CONTRACT_NAME_IN_DESCRIPTOR
@@ -87,8 +78,8 @@ void handleProvideErc20TokenInformation(uint8_t p1,
offset += 4;
dataLength -= 4;
cx_ecfp_init_public_key(CX_CURVE_256K1,
TOKEN_SIGNATURE_PUBLIC_KEY,
sizeof(TOKEN_SIGNATURE_PUBLIC_KEY),
LEDGER_SIGNATURE_PUBLIC_KEY,
sizeof(LEDGER_SIGNATURE_PUBLIC_KEY),
&tokenKey);
if (!cx_ecdsa_verify(&tokenKey,
CX_LAST,
@@ -174,8 +165,8 @@ void handleProvideErc20TokenInformation(uint8_t p1,
PRINTF("Descriptor whitelisted\n");
} else {
cx_ecfp_init_public_key(CX_CURVE_256K1,
TOKEN_SIGNATURE_PUBLIC_KEY,
sizeof(TOKEN_SIGNATURE_PUBLIC_KEY),
LEDGER_SIGNATURE_PUBLIC_KEY,
sizeof(LEDGER_SIGNATURE_PUBLIC_KEY),
&tokenKey);
if (!cx_ecdsa_verify(&tokenKey,
CX_LAST,
@@ -192,8 +183,8 @@ void handleProvideErc20TokenInformation(uint8_t p1,
#else
cx_ecfp_init_public_key(CX_CURVE_256K1,
TOKEN_SIGNATURE_PUBLIC_KEY,
sizeof(TOKEN_SIGNATURE_PUBLIC_KEY),
LEDGER_SIGNATURE_PUBLIC_KEY,
sizeof(LEDGER_SIGNATURE_PUBLIC_KEY),
&tokenKey);
if (!cx_ecdsa_verify(&tokenKey,
CX_LAST,