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Bitcoin Core
22.99.0
P2P Digital Currency
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Go to the documentation of this file. 1 #ifndef SECP256K1_SCHNORRSIG_H
2 #define SECP256K1_SCHNORRSIG_H
42 unsigned char *nonce32,
43 const unsigned char *msg,
45 const unsigned char *key32,
46 const unsigned char *xonly_pk32,
47 const unsigned char *algo,
83 unsigned char magic[4];
88 #define SECP256K1_SCHNORRSIG_EXTRAPARAMS_MAGIC { 0xda, 0x6f, 0xb3, 0x8c }
89 #define SECP256K1_SCHNORRSIG_EXTRAPARAMS_INIT {\
90 SECP256K1_SCHNORRSIG_EXTRAPARAMS_MAGIC,\
121 unsigned char *sig64,
122 const unsigned char *msg32,
124 const unsigned char *aux_rand32
142 unsigned char *sig64,
143 const
unsigned char *msg,
161 const
unsigned char *sig64,
162 const
unsigned char *msg,
SECP256K1_API int secp256k1_schnorrsig_sign_custom(const secp256k1_context *ctx, unsigned char *sig64, const unsigned char *msg, size_t msglen, const secp256k1_keypair *keypair, secp256k1_schnorrsig_extraparams *extraparams) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(5)
Create a Schnorr signature with a more flexible API.
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_schnorrsig_verify(const secp256k1_context *ctx, const unsigned char *sig64, const unsigned char *msg, size_t msglen, const secp256k1_xonly_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(5)
Verify a Schnorr signature.
Opaque data structure that holds a keypair consisting of a secret and a public key.
SECP256K1_API int secp256k1_schnorrsig_sign(const secp256k1_context *ctx, unsigned char *sig64, const unsigned char *msg32, const secp256k1_keypair *keypair, const unsigned char *aux_rand32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Create a Schnorr signature.
#define SECP256K1_WARN_UNUSED_RESULT
Warning attributes NONNULL is not used if SECP256K1_BUILD is set to avoid the compiler optimizing out...
int(* secp256k1_nonce_function_hardened)(unsigned char *nonce32, const unsigned char *msg, size_t msglen, const unsigned char *key32, const unsigned char *xonly_pk32, const unsigned char *algo, size_t algolen, void *data)
This module implements a variant of Schnorr signatures compliant with Bitcoin Improvement Proposal 34...
#define SECP256K1_ARG_NONNULL(_x)
static secp256k1_context * ctx
const SECP256K1_API secp256k1_nonce_function_hardened secp256k1_nonce_function_bip340
An implementation of the nonce generation function as defined in Bitcoin Improvement Proposal 340 "Sc...
Opaque data structure that holds a parsed and valid "x-only" public key.