tomFlowee
c63519fa47
The leveldb and univalue 3rd party libraries are not installed and not needed by anyone outside of the Hub. So move them there, making it easier for 3rd party usage.
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
#ifndef _SECP256K1_SCHNORR_
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# define _SECP256K1_SCHNORR_
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# include "secp256k1.h"
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# ifdef __cplusplus
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extern "C" {
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# endif
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/**
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* Verify a signature created by secp256k1_schnorr_sign.
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* Returns: 1: correct signature
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* 0: incorrect signature
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* Args: ctx: a secp256k1 context object, initialized for verification.
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* In: sig64: the 64-byte signature being verified (cannot be NULL)
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* msg32: the 32-byte message hash being verified (cannot be NULL)
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* pubkey: the public key to verify with (cannot be NULL)
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*/
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SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_schnorr_verify(
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const secp256k1_context* ctx,
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const unsigned char *sig64,
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const unsigned char *msg32,
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const secp256k1_pubkey *pubkey
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) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
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/**
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* Create a signature using a custom EC-Schnorr-SHA256 construction. It
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* produces non-malleable 64-byte signatures which support batch validation,
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* and multiparty signing.
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* Returns: 1: signature created
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* 0: the nonce generation function failed, or the private key was
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* invalid.
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* Args: ctx: pointer to a context object, initialized for signing
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* (cannot be NULL)
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* Out: sig64: pointer to a 64-byte array where the signature will be
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* placed (cannot be NULL)
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* In: msg32: the 32-byte message hash being signed (cannot be NULL)
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* seckey: pointer to a 32-byte secret key (cannot be NULL)
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* noncefp:pointer to a nonce generation function. If NULL,
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* secp256k1_nonce_function_default is used
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* ndata: pointer to arbitrary data used by the nonce generation
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* function (can be NULL)
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*/
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SECP256K1_API int secp256k1_schnorr_sign(
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const secp256k1_context *ctx,
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unsigned char *sig64,
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const unsigned char *msg32,
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const unsigned char *seckey,
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secp256k1_nonce_function noncefp,
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const void *ndata
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) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
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# ifdef __cplusplus
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}
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# endif
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#endif
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