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signing: use the new hasher_InitParam API

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Pavol Rusnak 2019-01-31 19:20:29 +01:00
parent 77a6718f76
commit 7e3d0a0a77
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GPG Key ID: 91F3B339B9A02A3D
2 changed files with 23 additions and 21 deletions
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12
firmware/signing.c
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@ -527,9 +527,9 @@ void signing_init(const SignTx *msg, const CoinInfo *_coin, const HDNode *_root)
// segwit hashes for hashPrevouts and hashSequence
if (overwintered) {
hasher_Init(&hasher_prevouts, HASHER_OVERWINTER_PREVOUTS);
hasher_Init(&hasher_sequence, HASHER_OVERWINTER_SEQUENCE);
hasher_Init(&hasher_outputs, HASHER_OVERWINTER_OUTPUTS);
hasher_InitParam(&hasher_prevouts, HASHER_BLAKE2B_PERSONAL, "ZcashPrevoutHash", 16);
hasher_InitParam(&hasher_sequence, HASHER_BLAKE2B_PERSONAL, "ZcashSequencHash", 16);
hasher_InitParam(&hasher_outputs, HASHER_BLAKE2B_PERSONAL, "ZcashOutputsHash", 16);
hasher_Init(&hasher_check, coin->curve->hasher_sign);
} else {
hasher_Init(&hasher_prevouts, coin->curve->hasher_sign);
@ -769,7 +769,8 @@ static void signing_hash_bip143(const TxInputType *txinput, uint8_t *hash) {
static void signing_hash_zip143(const TxInputType *txinput, uint8_t *hash) {
uint32_t hash_type = signing_hash_type();
Hasher hasher_preimage;
hasher_Init(&hasher_preimage, HASHER_OVERWINTER_PREIMAGE);
// BRANCH_ID = 0x5ba81b19 / Overwinter
hasher_InitParam(&hasher_preimage, HASHER_BLAKE2B_PERSONAL, "ZcashSigHash\x19\x1b\xa8\x5b", 16);
uint32_t ver = version | TX_OVERWINTERED; // 1. nVersion | fOverwintered
hasher_Update(&hasher_preimage, (const uint8_t *)&ver, 4);
hasher_Update(&hasher_preimage, (const uint8_t *)&version_group_id, 4); // 2. nVersionGroupId
@ -793,7 +794,8 @@ static void signing_hash_zip143(const TxInputType *txinput, uint8_t *hash) {
static void signing_hash_zip243(const TxInputType *txinput, uint8_t *hash) {
uint32_t hash_type = signing_hash_type();
Hasher hasher_preimage;
hasher_Init(&hasher_preimage, HASHER_SAPLING_PREIMAGE);
// BRANCH_ID = 0x76b809bb / Sapling
hasher_InitParam(&hasher_preimage, HASHER_BLAKE2B_PERSONAL, "ZcashSigHash\xbb\x09\xb8\x76", 16);
uint32_t ver = version | TX_OVERWINTERED; // 1. nVersion | fOverwintered
hasher_Update(&hasher_preimage, (const uint8_t *)&ver, 4);
hasher_Update(&hasher_preimage, (const uint8_t *)&version_group_id, 4); // 2. nVersionGroupId

2
vendor/trezor-crypto vendored

@ -1 +1 @@
Subproject commit d1c52401e4c76c74a10455682ace0655b7aa644c
Subproject commit 21391dc5be9917bc32a518cf98376f79103727af