Bitcoin Core  26.99.0
P2P Digital Currency
secp256k1_extrakeys.h
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1 #ifndef SECP256K1_EXTRAKEYS_H
2 #define SECP256K1_EXTRAKEYS_H
3 
4 #include "secp256k1.h"
5 
6 #ifdef __cplusplus
7 extern "C" {
8 #endif
9 
22 typedef struct {
23  unsigned char data[64];
25 
33 typedef struct {
34  unsigned char data[96];
36 
48  const secp256k1_context *ctx,
49  secp256k1_xonly_pubkey *pubkey,
50  const unsigned char *input32
52 
62  const secp256k1_context *ctx,
63  unsigned char *output32,
64  const secp256k1_xonly_pubkey *pubkey
66 
77  const secp256k1_context *ctx,
78  const secp256k1_xonly_pubkey *pk1,
79  const secp256k1_xonly_pubkey *pk2
81 
94  const secp256k1_context *ctx,
95  secp256k1_xonly_pubkey *xonly_pubkey,
96  int *pk_parity,
97  const secp256k1_pubkey *pubkey
99 
121  const secp256k1_context *ctx,
122  secp256k1_pubkey *output_pubkey,
123  const secp256k1_xonly_pubkey *internal_pubkey,
124  const unsigned char *tweak32
126 
151  const secp256k1_context *ctx,
152  const unsigned char *tweaked_pubkey32,
153  int tweaked_pk_parity,
154  const secp256k1_xonly_pubkey *internal_pubkey,
155  const unsigned char *tweak32
157 
167  const secp256k1_context *ctx,
168  secp256k1_keypair *keypair,
169  const unsigned char *seckey
171 
180  const secp256k1_context *ctx,
181  unsigned char *seckey,
182  const secp256k1_keypair *keypair
184 
193  const secp256k1_context *ctx,
194  secp256k1_pubkey *pubkey,
195  const secp256k1_keypair *keypair
197 
212  const secp256k1_context *ctx,
213  secp256k1_xonly_pubkey *pubkey,
214  int *pk_parity,
215  const secp256k1_keypair *keypair
217 
238  const secp256k1_context *ctx,
239  secp256k1_keypair *keypair,
240  const unsigned char *tweak32
242 
243 #ifdef __cplusplus
244 }
245 #endif
246 
247 #endif /* SECP256K1_EXTRAKEYS_H */
#define SECP256K1_ARG_NONNULL(_x)
Definition: secp256k1.h:179
#define SECP256K1_API
Definition: secp256k1.h:164
#define SECP256K1_WARN_UNUSED_RESULT
Definition: secp256k1.h:174
SECP256K1_API int secp256k1_xonly_pubkey_cmp(const secp256k1_context *ctx, const secp256k1_xonly_pubkey *pk1, const secp256k1_xonly_pubkey *pk2) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Compare two x-only public keys using lexicographic order.
Definition: main_impl.h:59
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_keypair_pub(const secp256k1_context *ctx, secp256k1_pubkey *pubkey, const secp256k1_keypair *keypair) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Get the public key from a keypair.
Definition: main_impl.h:224
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_keypair_sec(const secp256k1_context *ctx, unsigned char *seckey, const secp256k1_keypair *keypair) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Get the secret key from a keypair.
Definition: main_impl.h:214
SECP256K1_API int secp256k1_xonly_pubkey_serialize(const secp256k1_context *ctx, unsigned char *output32, const secp256k1_xonly_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Serialize an xonly_pubkey object into a 32-byte sequence.
Definition: main_impl.h:44
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_xonly_pubkey_tweak_add_check(const secp256k1_context *ctx, const unsigned char *tweaked_pubkey32, int tweaked_pk_parity, const secp256k1_xonly_pubkey *internal_pubkey, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(4) SECP256K1_ARG_NONNULL(5)
Checks that a tweaked pubkey is the result of calling secp256k1_xonly_pubkey_tweak_add with internal_...
Definition: main_impl.h:135
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_keypair_create(const secp256k1_context *ctx, secp256k1_keypair *keypair, const unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Compute the keypair for a secret key.
Definition: main_impl.h:196
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_xonly_pubkey_from_pubkey(const secp256k1_context *ctx, secp256k1_xonly_pubkey *xonly_pubkey, int *pk_parity, const secp256k1_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(4)
Converts a secp256k1_pubkey into a secp256k1_xonly_pubkey.
Definition: main_impl.h:99
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_keypair_xonly_tweak_add(const secp256k1_context *ctx, secp256k1_keypair *keypair, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Tweak a keypair by adding tweak32 to the secret key and updating the public key accordingly.
Definition: main_impl.h:255
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_xonly_pubkey_tweak_add(const secp256k1_context *ctx, secp256k1_pubkey *output_pubkey, const secp256k1_xonly_pubkey *internal_pubkey, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Tweak an x-only public key by adding the generator multiplied with tweak32 to it.
Definition: main_impl.h:118
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_keypair_xonly_pub(const secp256k1_context *ctx, secp256k1_xonly_pubkey *pubkey, int *pk_parity, const secp256k1_keypair *keypair) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(4)
Get the x-only public key from a keypair.
Definition: main_impl.h:234
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_xonly_pubkey_parse(const secp256k1_context *ctx, secp256k1_xonly_pubkey *pubkey, const unsigned char *input32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Parse a 32-byte sequence into a xonly_pubkey object.
Definition: main_impl.h:22
Opaque data structure that holds a keypair consisting of a secret and a public key.
Opaque data structure that holds a parsed and valid public key.
Definition: secp256k1.h:74
Opaque data structure that holds a parsed and valid "x-only" public key.