secp256k1__schnorrsig_8h_source.html

 #ifndef SECP256K1_SCHNORRSIG_H
 #define SECP256K1_SCHNORRSIG_H

 #include "secp256k1.h"
 #include "secp256k1_extrakeys.h"

 #ifdef __cplusplus
 extern "C" {
 #endif

 typedef int (*secp256k1_nonce_function_hardened)(
     unsigned char *nonce32,
     const unsigned char *msg32,
     const unsigned char *key32,
     const unsigned char *xonly_pk32,
     const unsigned char *algo16,
     void *data
 );

 SECP256K1_API extern const secp256k1_nonce_function_hardened secp256k1_nonce_function_bip340;

 SECP256K1_API int secp256k1_schnorrsig_sign(
     const secp256k1_context* ctx,
     unsigned char *sig64,
     const unsigned char *msg32,
     const secp256k1_keypair *keypair,
     secp256k1_nonce_function_hardened noncefp,
     void *ndata
 ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);

 SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_schnorrsig_verify(
     const secp256k1_context* ctx,
     const unsigned char *sig64,
     const unsigned char *msg32,
     const secp256k1_xonly_pubkey *pubkey
 ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);

 #ifdef __cplusplus
 }
 #endif

 #endif /* SECP256K1_SCHNORRSIG_H */
SECP256K1_WARN_UNUSED_RESULT
#define SECP256K1_WARN_UNUSED_RESULT
Warning attributes NONNULL is not used if SECP256K1_BUILD is set to avoid the compiler optimizing out...
Definition: secp256k1.h:150

secp256k1_nonce_function_bip340
SECP256K1_API const secp256k1_nonce_function_hardened secp256k1_nonce_function_bip340
An implementation of the nonce generation function as defined in Bitcoin Improvement Proposal 340 "Sc...
Definition: main_impl.h:94

secp256k1_context_struct
Definition: secp256k1.c:70

secp256k1_nonce_function_hardened
int(* secp256k1_nonce_function_hardened)(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, const unsigned char *xonly_pk32, const unsigned char *algo16, void *data)
This module implements a variant of Schnorr signatures compliant with Bitcoin Improvement Proposal 34...
Definition: secp256k1_schnorrsig.h:38

secp256k1_extrakeys.h

secp256k1_xonly_pubkey
Opaque data structure that holds a parsed and valid "x-only" public key.
Definition: secp256k1_extrakeys.h:22

ctx
static secp256k1_context * ctx
Definition: tests.c:36

secp256k1_keypair
Opaque data structure that holds a keypair consisting of a secret and a public key.
Definition: secp256k1_extrakeys.h:33

SECP256K1_ARG_NONNULL
#define SECP256K1_ARG_NONNULL(_x)
Definition: secp256k1.h:155

secp256k1.h

secp256k1_schnorrsig_sign
SECP256K1_API int secp256k1_schnorrsig_sign(const secp256k1_context *ctx, unsigned char *sig64, const unsigned char *msg32, const secp256k1_keypair *keypair, secp256k1_nonce_function_hardened noncefp, void *ndata) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Create a Schnorr signature.
Definition: main_impl.h:127

SECP256K1_API
#define SECP256K1_API
Definition: secp256k1.h:140

secp256k1_schnorrsig_verify
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_schnorrsig_verify(const secp256k1_context *ctx, const unsigned char *sig64, const unsigned char *msg32, const secp256k1_xonly_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Verify a Schnorr signature.
Definition: main_impl.h:190