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josibake

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Informational 15 AI analysisMessage 40 · Thin
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

docs: update README

This commit only updates the README documentation to mention a new optional feature (Silent Payments, BIP-352) and point to an example file. No code, build scripts, or cryptographic logic was changed. There is no security issue here.

7e4b313cby josibake+2−01 file
No security note in commit
Informational 15 AI analysisMessage 70 · Adequate
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

tests: add sha256 tag test

This commit only adds a new test that checks whether certain SHA-256 'tagged' hash initialization functions used in silent payments produce the correct internal hash state. It does not change any production code, cryptographic logic, or be…

4f7a578dby josibake+24−01 file
No security note in commit
Informational 12 AI analysisMessage 78 · Adequate
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

tests: add constant time tests

This commit only adds new test code. It extends the project's constant-time test suite to also exercise the silent payments module, ensuring that secret key material is not accidentally leaked through timing side channels during those oper…

Adds constant-time (side-channel) test coverage for the silent payments moduleUses memory-secret marking macros (SECP256K1_CHECKMEM_UNDEFINE/DEFINE) to detect secret-dependent branchesNo functional or cryptographic code changes
936907b0by josibake+78−01 file
No security note in commit
Informational 15 AI analysisMessage 83 · Strong
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

tests: add BIP-352 test vectors

This commit only adds test data and test infrastructure for the BIP-352 silent payments feature. It does not change any production cryptographic code, so it cannot introduce a runtime security vulnerability on its own.

b608a9d9by josibake+11046−06 files
No security note in commit
Informational 15 AI analysisMessage 60 · Adequate
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

silentpayments: add examples/silentpayments.c

This commit adds a new example file (examples/silentpayments.c) showing how to use the Silent Payments feature in libsecp256k1. It is purely documentation and demonstration code, not a change to the cryptographic library itself. There is n…

f0fdd99dby josibake+481−04 files
No security note in commit
Informational 15 AI analysisMessage 41 · Thin
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

silentpayments: sending

This commit adds a new feature to the secp256k1 cryptographic library: the sender-side logic for Bitcoin Silent Payments (BIP352). It lets a wallet create special one-time payment addresses for recipients without revealing which recipient …

New feature implementation for BIP352 Silent Payments sender sideExtensive input validation (ARG_CHECK) and test coverage for malformed keys and bad argumentsSensitive intermediate values (shared secrets, scalars) are explicitly cleared
b30ea3ebby josibake+719−14 files
No security note in commit
Informational 15 AI analysisMessage 70 · Adequate
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

silentpayments: receiving

This commit adds new code for receiving BIP352 Silent Payments in the libsecp256k1 cryptography library. It introduces functions that let a wallet scan a Bitcoin transaction to find outputs sent to it and compute the secret tweaks needed t…

New feature code, not a security patchExtensive input validation and NULL checks addedSensitive scalars cleared after use (shared_secret, scan_key_scalar, t_k_scalar)
d72a7432by josibake+632−13 files
No security note in commit
Informational 15 AI analysisMessage 68 · Adequate
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

silentpayments: add benchmarks for scanning

This commit only adds performance benchmark tests for the Silent Payments module. It does not change any cryptographic logic, network behavior, or wallet handling. There is no security issue here.

7ae555c5by josibake+268−204 files
No security note in commit
Informational 15 AI analysisMessage 83 · Strong
BC Bitcoin Corelibsecp256k1 BitcoinCryptographic libraries

tests: refactor tagged hash tests

This commit is a test-only cleanup. It moves a helper function that checks SHA256 'tagged hash' setup from one test file to a shared test file, renames it, and updates several test modules to use the shared helper. There are no changes to …

5153cf1cby josibake+36−304 files
No security note in commit
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