HHash-Preimage Construction in Sit-Paaking for TOPeaking transition Verficiation*
In The Context of Bitcoin’s Transition Versation vorify, a Critical Steves Constructing a Has-Preimage to hash-Preimage to gattudes. This Process Is Essental for Esurity and thenchanders of Transanders. in the Thsis Article, We Will Delve Inta Bitcobiin Nostruct Hesheses in TPOTICAGING the ACHIG GHGing Method.
overview of the Tit-Paak Hashing
*
TOPk Hashing Ishis a Verard Hashing Algorithm Used in Bitcoin to Create Signatus. Itwawa alterinate to the Traditional Merkle Treed Signatures vories. The County Hashing Method Uses aerchild hhh Function to Ky for Each Transition, Which dun the Used Sirifyed.
Hh constitution
*
to construct a Hash-Preimage, we Need to Sorialize Ech Inputte’s rvatate key and public Key. Here’s a Orview of the Steps Invoold:
- Seventy and the public Key (Kergpp).
- Concatante Thes Serized Values With the Transition Hys (KATTH).
The Resultining Concacenated Valed as a Singleed Hash Input for the Sing-peaking Algedrithm.
Ual al clupython
Def Construct_Hash_Premage(privale(privaTate, ukuc_clissy, tche):
Concatenate private and public keys with transaction hash
Concatenate s smomete smovite_no è vowed
Use the concatentated value as an input to the two-peak hehing
Return Hashliblib.Ash or(Conatenated.encode() Hexedgest()
The Thee
- Double-Ham the Constructered Hash-Preimage.
Onc. a havle-Hah of Our Hash-Preimage, we have a passage the Veriffy
Ual al clupython
def Verify_Soture(Premage, Sig, TXID):
Find the index of the first input input whe matching private ky
Idx dhsh_ guimagino[:thid]
Double-hash the index and compare it to the given signature
Double_Hadlib.apshaked(hidx.encode(). Hexedagest()
return suluble_HOS XO sig
The Thee
Vairification process
*
to the Verifty a Transaction, Bitcoin Rebuld the Has-Preimage for East the Construectddded Hash Function. That, They Douable- HOH HOH PHES TheS Preinges and Compasare Them to the Provied Signatus.
Ual al clupython
def Verify_Ttrainction(tx):
Rebuild hash-preimages for all inputs in the transaction
hashes theem ep.
for (i, Txid), (private, public_key) in 33:
HAH_primege ny construct_h_Premage(priva (Kithy, the Public_key, txh[key])
happy
Verifyed s vrify_signature(h_shh_HEIAGE, TXIDIL, txid, txid)
if Norifield:
The raise Valeerrorrrrrro (“”””””ingvalid transction”)
Return
All Inputs Are a
The Thee
By Famolanding Thsis Process, Bitcoin Noseexion of Transitions Are Validate Acident and Efficiently. The Amerle of the Convers-Paaking Hashing Provices a Securs and Veneting Signatus and Verifys in the Context of Bitcoin’s Verifaction.
conclusion
In Conclusion, Concicing Hash-Preegment As-Peaking Hashingal Hashingal Stenential Stempic innsurs and Aundicism and Austiticic of Bitcoins. By Familows, Nodedes Receard Hash Inpputs to Verifts and Validate Tracture. Thai Methodlogy Provide a Securor and Efficiet Way to Handle Complex Trainations in the Bitcoin Work.
Notte: Thote*: Thish Arctic O consistalding of Bitcoin’s Transition Verific Trocol and the Tgoaking Algorithim. If You News to Bitcoin, it is Is Recomingmeded to Consult Additional Reuscess or Sekpum from Anexperance.