Transaction Signature Validation for Sapling

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

header:          04000080
nVersionGroupId: 85202f89
vin:             02 0bbe32a598c22adfb48cef72ba5d4287c0cefbacfd8ce195b4963c34a94bba7a 175dae4b 0465ac6563 53708915
                    090f47a068e227433f9e49d3aa09e356d8d66d0c0121e91a3c4aa3f27fa1b633 96e2b41d 090063535300ac53ac51 4e970568
vout:            02 da071b970d480700 0152
                    a844550bdc200200 0752526a65520052
nLockTime:       d7034302
nExpiryHeight:   011b9a07
valueBalance:    6620edc067ff0200
vShieldedSpend:  00

vShieldedOutput: 03
  cv:            53e3b8a71face1c9f37745ed36883529304bfd5a390b37bc5a3445241f03f64a
  cmu:           818820dfeddd75375159fbd21eca9872104f8d7b3c8c869703a1e7848a5c941e
  ephemeralKey:  45a9c7943446d0dc9627cb31f80e7aa596d4821dc99a7d777cd57e194842a023
  encCiphertext: 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
  outCiphertext: 916c97e8006cbb07ba0e4180a3738038c374c4cce8f32959afb25f303f5815c4533124acf9d18940e77522ac5dc4b9570aae8f47b7f57fd8767bea1a24ae7bed65b4afdc8f1278c30e2db98fd172730a
  zkproof:       c6bbed4f1127cd32b04a95b205526cfcb4c4e1cc955175b3e8de1f5d81b18669692350aaa1a1d797617582e54d7a5b57a683b32fb1098062dad7b0c2eb518f6862e83db25e3dbaf7aed504de932acb99d735992ce62bae9ef893ff6acc0ffcf8e3483e146b9d49dd8c7835f43a37dca0787e3ec9f6605223d5ba7ae0ab9025b73bc03f7fac36c009a56d4d95d1e81d3b3ebca7e54cc1a12d127b57c8138976e791013b015f06a624f521b6ee04ec980893c7e5e01a336203594094f82833d744

  cv:            27880084d35863c8e7ebb5c9eed98e72572ec40c79b26623b58022f489b0893d
  cmu:           88be63f3f8c0d23249ebcde13db9312941c36c1d1cbcabac0c78cb3b1912db0d
  ephemeralKey:  cbfe1893d9b51be4af1d000bac1ad0a3ae2ce1e73225fb114d05af4cefc06e87
  encCiphertext: 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
  outCiphertext: d7ed5e92cb4f90ba83a9e49601b194042f2900d99d312d7b70508cf176066d154dbe96ef9d4367e4c840e4a17b5e5122e8ebe2158a3c5f4cbae21ea3fa1ae6c25a9462ebcbb0fd5f14554bc97747c33e
  zkproof:       34da90c816d8d0d50bfe37618c5812891484fa259322c15092d4155d8696d6f12f24fd364496b3be0871ca3dd9625348a614b59bde45885649bae36de34def8fcec85343475d976ae1e9b27829ce2ac5efd0b399a8b448be6504294ee6b3c1c6a5342d7c01ae9d8ad3070c2b1a91573af5e0c5e4cbbf4acdc6b54c9272200d9970250c17c1036f06085c41858ed3a0c48150bc697e4a695fef335f7ad07e1a46dc767ff822db70e6669080b9816b2232c81a4c66cc586abfe1eaa8ca6cf41fc3

  cv:            0eb8dc57c37a3c39c59c94232df9d388dbfa35c2cd5c75f328e9fea78f65568f
  cmu:           2bb934c82c4142da69d12ca7de9a7df706400ec79878d868e17e8f71ea31495a
  ephemeralKey:  8bae7bdc2e48b5118771c2fca078cca1fce0d7ef0af3478cf36f69e85a41dd29
  encCiphertext: 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
  outCiphertext: 67090d8184ec50522d804f23c4fb44ffa481bc92ae408d1b9f2b131904f9705c59e2f4bde7a3b2c085d93fd2abc5e14d163001a12f51938d021afa92239b873dc6c357eaa8af4ee6d00540657fe32914
  zkproof:       103b5d98f68bd3e2b5359f08ccd88d0c811e4c31fbb49f3a90bbd05dce62f344e7077593159ae35050b04c9e6b86bc432dc8b048c73c0018ca5b69411297732a4e1aa99a928c71e7a24fd277856aa42501e51b012aea9446a2104e93f815a0b3a29b458314f3d8be2b9823d342f46213e942a7e19a46e970b5c506708430317b1bb3b35df68ae33a4926a03e6bfeb5510416fcbb0524c9ca5074156cc5a5d6fe1c995edc60a2f550411aa41e3da3bdcf64bcf04a0510571b936d47e55cec0330

vJoinSplit:      00
bindingSig:      8dfe73563404f047d7f3a8a3d7743bc554955210f1eb0d08599ea77d5f974d87176d37d98b9c0ad440407209ed6a9f08464d565593e1a63b938536b49244e97d

Transaction digest with nIn = 0 and nHashType = 2 (SIGHASH_NONE):

hashPrevouts:
  BLAKE2b-256('ZcashPrevoutHash', 0bbe32a598c22adfb48cef72ba5d4287c0cefbacfd8ce195b4963c34a94bba7a175dae4b090f47a068e227433f9e49d3aa09e356d8d66d0c0121e91a3c4aa3f27fa1b63396e2b41d)
= cacf0f5210cce5fa65a59f314292b3111d299e7d9d582753cf61e1e408552ae4

hashShieldedOutputs:
  BLAKE2b-256(b'ZcashSOutputHash', 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)
= b79530fcec83211d21e3c355db538c138d625784c27370e9d1039a8515a23f87

Preimage:
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

  header:              04000080
  nVersionGroupId:     85202f89
  hashPrevouts:        cacf0f5210cce5fa65a59f314292b3111d299e7d9d582753cf61e1e408552ae4
  hashSequence:        0000000000000000000000000000000000000000000000000000000000000000
  hashOutputs:         0000000000000000000000000000000000000000000000000000000000000000
  hashJoinSplits:      0000000000000000000000000000000000000000000000000000000000000000
  hashShieldedSpends:  0000000000000000000000000000000000000000000000000000000000000000
  hashShieldedOutputs: b79530fcec83211d21e3c355db538c138d625784c27370e9d1039a8515a23f87
  nLockTime:           d7034302
  nExpiryHeight:       011b9a07
  valueBalance:        6620edc067ff0200
  nHashType:           02000000

  Input:
    prevout:    090f47a068e227433f9e49d3aa09e356d8d66d0c0121e91a3c4aa3f27fa1b633 96e2b41d
    scriptCode: 00
    amount:     adedf02996510200
    nSequence:  4e970568

sighash: bbe6d84f57c56b29b914c694baaccb891297e961de3eb46c68e3c89c47b1a1db

Test vector 3

Testnet transaction with txid 97d8814886d07fc12bbac90c089a10f90906cbb53402ee26e576ef99276c492d sends only transparent funds.

Raw transaction:

0400008085202f8901a8c685478265f4c14dada651969c45a65e1aeb8cd6791f2f5bb6a1d9952104d9010000006b483045022100a61e5d557568c2ddc1d9b03a7173c6ce7c996c4daecab007ac8f34bee01e6b9702204d38fdc0bcf2728a69fde78462a10fb45a9baa27873e6a5fc45fb5c76764202a01210365ffea3efa3908918a8b8627724af852fc9b86d7375b103ab0543cf418bcaa7ffeffffff02005a6202000000001976a9148132712c3ff19f3a151234616777420a6d7ef22688ac8b959800000000001976a9145453e4698f02a38abdaa521cd1ff2dee6fac187188ac29b0040048b004000000000000000000000000

header:          04000080
nVersionGroupId: 85202f89
vin:             01 a8c685478265f4c14dada651969c45a65e1aeb8cd6791f2f5bb6a1d9952104d9 01000000 6b483045022100a61e5d557568c2ddc1d9b03a7173c6ce7c996c4daecab007ac8f34bee01e6b9702204d38fdc0bcf2728a69fde78462a10fb45a9baa27873e6a5fc45fb5c76764202a01210365ffea3efa3908918a8b8627724af852fc9b86d7375b103ab0543cf418bcaa7f feffffff
vout:            02 005a620200000000 1976a9148132712c3ff19f3a151234616777420a6d7ef22688ac
                    8b95980000000000 1976a9145453e4698f02a38abdaa521cd1ff2dee6fac187188ac
nLockTime:       29b00400
nExpiryHeight:   48b00400
valueBalance:    0000000000000000
vShieldedSpend:  00
vShieldedOutput: 00
vJoinSplit:      00

Transaction digest with nIn = 0 and nHashType = 1 (SIGHASH_ALL):

Preimage:
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

  header:              04000080
  nVersionGroupId:     85202f89
  hashPrevouts:        fae31b8dec7b0b77e2c8d6b6eb0e7e4e55abc6574c26dd44464d9408a8e33f11
  hashSequence:        6c80d37f12d89b6f17ff198723e7db1247c4811d1a695d74d930f99e98418790
  hashOutputs:         d2b04118469b7810a0d1cc59568320aad25a84f407ecac40b4f605a4e6868454
  hashJoinSplits:      0000000000000000000000000000000000000000000000000000000000000000
  hashShieldedSpends:  0000000000000000000000000000000000000000000000000000000000000000
  hashShieldedOutputs: 0000000000000000000000000000000000000000000000000000000000000000
  nLockTime:           29b00400
  nExpiryHeight:       48b00400
  valueBalance:        0000000000000000
  nHashType:           01000000

  Input:
    prevout:    a8c685478265f4c14dada651969c45a65e1aeb8cd6791f2f5bb6a1d9952104d9 01000000
    scriptCode: 1976a914507173527b4c3318a2aecd793bf1cfed705950cf88ac
    amount:     80f0fa0200000000
    nSequence:  feffffff

  sighash: f3148f80dfab5e573d5edfe7a850f5fd39234f80b5429d3a57edcc11e34c585b

Deployment

This proposal is deployed with the Sapling network upgrade.¹⁴

Backward compatibility

This proposal is backwards-compatible with old UTXOs. It is not backwards-compatible with older software. Given that v3 transaction formats will be invalid from the Sapling upgrade, all transactions will be required to use this transaction digest algorithm for signatures, and so transactions created by older software will be rejected by the network.

Reference Implementation

https://github.com/zcash/zcash/pull/3233

References

---

1. Information on BCP 14 — "RFC 2119: Key words for use in RFCs to Indicate Requirement Levels" and "RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words"↩︎

2. ZIP 200: Network Upgrade Mechanism↩︎

3. ZIP 205: Deployment of the Sapling Network Upgrade↩︎

4. ZIP 143: Transaction Signature Validation for Overwinter↩︎

5. Zcash Protocol Specification, version 2021.2.16 or later↩︎

6. ZIP 205: Deployment of the Sapling Network Upgrade↩︎

7. "BLAKE2: simpler, smaller, fast as MD5", Section 2.8↩︎

8. ZIP 200: Network Upgrade Mechanism↩︎

9. ZIP 143: Transaction Signature Validation for Overwinter↩︎

10. ZIP 143: Transaction Signature Validation for Overwinter↩︎

11. ZIP 243 Test Vectors↩︎

12. SignatureHash Test Vectors↩︎

13. SignatureHash Test Vectors↩︎

14. ZIP 205: Deployment of the Sapling Network Upgrade↩︎