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musig: add note about missing verification to partial_sign to doc

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Jonas Nick 2023-05-11 17:22:27 +00:00
parent f50ad76004
commit 4ab4ec38a0
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include/secp256k1_musig.h
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@ -442,6 +442,11 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_musig_nonce_process(
* created by calling musig_nonce_gen with that pubkey. Otherwise, the
* illegal_callback is called.
*
* This function does not verify the output partial signature, deviating from
* the BIP 327 specification. It is recommended to verify the output partial
* signature with `secp256k1_musig_partial_sig_verify` to prevent random or
* adversarially provoked computation errors.
*
* Returns: 0 if the arguments are invalid or the provided secnonce has already
* been used for signing, 1 otherwise
* Args: ctx: pointer to a context object