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chore: (A-771) remove dead code, verify keypair #22167

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chore: (A-771) remove dead code, verify keypair #22167

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23 changes: 0 additions & 23 deletions yarn-project/foundation/src/crypto/bls/bn254_keystore.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -262,26 +262,3 @@ export function decryptBn254KeystoreFromObject(keystore: Bn254Keystore, password
throw new Bn254KeystoreError(`Failed to decrypt keystore: ${String(error)}`, error as Error);
}
}

/**
* Validates that a decrypted private key matches the public key in the keystore.
*
* @param privateKeyHex - Decrypted private key (0x-prefixed)
* @param expectedPubkey - Expected public key from keystore
* @param computePublicKey - Function to compute public key from private key
* @returns true if keys match, false otherwise
*/
export function verifyBn254Keypair(
privateKeyHex: string,
expectedPubkey: string,
computePublicKey: (privateKey: string) => string,
): boolean {
try {
const computedPubkey = computePublicKey(privateKeyHex);
const normalizedExpected = expectedPubkey.toLowerCase().replace(/^0x/i, '');
const normalizedComputed = computedPubkey.toLowerCase().replace(/^0x/i, '');
return normalizedExpected === normalizedComputed;
} catch {
return false;
}
}
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