88 unsigned char data[64];
108 unsigned char *nonce32,
109 const unsigned char *msg32,
110 const unsigned char *key32,
111 const unsigned char *algo16,
116 # if !defined(SECP256K1_GNUC_PREREQ) 117 # if defined(__GNUC__)&&defined(__GNUC_MINOR__) 118 # define SECP256K1_GNUC_PREREQ(_maj,_min) \ 119 ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min)) 121 # define SECP256K1_GNUC_PREREQ(_maj,_min) 0 125 # if (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L) ) 126 # if SECP256K1_GNUC_PREREQ(2,7) 127 # define SECP256K1_INLINE __inline__ 128 # elif (defined(_MSC_VER)) 129 # define SECP256K1_INLINE __inline 131 # define SECP256K1_INLINE 134 # define SECP256K1_INLINE inline 144 #ifndef SECP256K1_BUILD 145 # define SECP256K1_NO_BUILD 152 #ifndef SECP256K1_API 154 # if defined(SECP256K1_BUILD) && defined(DLL_EXPORT) 155 # define SECP256K1_API __declspec(dllexport) 157 # define SECP256K1_API 159 # elif defined(__GNUC__) && (__GNUC__ >= 4) && defined(SECP256K1_BUILD) 160 # define SECP256K1_API __attribute__ ((visibility ("default"))) 162 # define SECP256K1_API 169 # if defined(__GNUC__) && SECP256K1_GNUC_PREREQ(3, 4) 170 # define SECP256K1_WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__)) 172 # define SECP256K1_WARN_UNUSED_RESULT 174 # if !defined(SECP256K1_BUILD) && defined(__GNUC__) && SECP256K1_GNUC_PREREQ(3, 4) 175 # define SECP256K1_ARG_NONNULL(_x) __attribute__ ((__nonnull__(_x))) 177 # define SECP256K1_ARG_NONNULL(_x) 181 #if !defined(SECP256K1_BUILD) && defined(__has_attribute) 182 # if __has_attribute(__deprecated__) 183 # define SECP256K1_DEPRECATED(_msg) __attribute__ ((__deprecated__(_msg))) 185 # define SECP256K1_DEPRECATED(_msg) 188 # define SECP256K1_DEPRECATED(_msg) 192 #define SECP256K1_FLAGS_TYPE_MASK ((1 << 8) - 1) 193 #define SECP256K1_FLAGS_TYPE_CONTEXT (1 << 0) 194 #define SECP256K1_FLAGS_TYPE_COMPRESSION (1 << 1) 196 #define SECP256K1_FLAGS_BIT_CONTEXT_VERIFY (1 << 8) 197 #define SECP256K1_FLAGS_BIT_CONTEXT_SIGN (1 << 9) 198 #define SECP256K1_FLAGS_BIT_CONTEXT_DECLASSIFY (1 << 10) 199 #define SECP256K1_FLAGS_BIT_COMPRESSION (1 << 8) 203 #define SECP256K1_CONTEXT_NONE (SECP256K1_FLAGS_TYPE_CONTEXT) 206 #define SECP256K1_CONTEXT_VERIFY (SECP256K1_FLAGS_TYPE_CONTEXT | SECP256K1_FLAGS_BIT_CONTEXT_VERIFY) 207 #define SECP256K1_CONTEXT_SIGN (SECP256K1_FLAGS_TYPE_CONTEXT | SECP256K1_FLAGS_BIT_CONTEXT_SIGN) 210 #define SECP256K1_CONTEXT_DECLASSIFY (SECP256K1_FLAGS_TYPE_CONTEXT | SECP256K1_FLAGS_BIT_CONTEXT_DECLASSIFY) 213 #define SECP256K1_EC_COMPRESSED (SECP256K1_FLAGS_TYPE_COMPRESSION | SECP256K1_FLAGS_BIT_COMPRESSION) 214 #define SECP256K1_EC_UNCOMPRESSED (SECP256K1_FLAGS_TYPE_COMPRESSION) 217 #define SECP256K1_TAG_PUBKEY_EVEN 0x02 218 #define SECP256K1_TAG_PUBKEY_ODD 0x03 219 #define SECP256K1_TAG_PUBKEY_UNCOMPRESSED 0x04 220 #define SECP256K1_TAG_PUBKEY_HYBRID_EVEN 0x06 221 #define SECP256K1_TAG_PUBKEY_HYBRID_ODD 0x07 357 void (*fun)(const
char*
message,
void* data),
385 void (*fun)(const
char*
message,
void* data),
429 const
unsigned char *input,
450 unsigned char *output,
489 const
unsigned char *input64
510 const
unsigned char *input,
527 unsigned char *output,
543 unsigned char *output64,
575 const
unsigned char *msghash32,
656 const
unsigned char *msghash32,
657 const
unsigned char *seckey,
676 const
unsigned char *seckey
690 const
unsigned char *seckey
705 unsigned char *seckey
712 unsigned char *seckey
744 unsigned char *seckey,
745 const
unsigned char *tweak32
752 unsigned char *seckey,
753 const
unsigned char *tweak32
773 const
unsigned char *tweak32
791 unsigned char *seckey,
792 const
unsigned char *tweak32
799 unsigned char *seckey,
800 const
unsigned char *tweak32
818 const
unsigned char *tweak32
859 const
unsigned char *seed32
896 unsigned char *hash32,
897 const
unsigned char *tag,
899 const
unsigned char *msg,
SECP256K1_API int secp256k1_ecdsa_sign(const secp256k1_context *ctx, secp256k1_ecdsa_signature *sig, const unsigned char *msghash32, const unsigned char *seckey, secp256k1_nonce_function noncefp, const 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_ec_privkey_negate(const secp256k1_context *ctx, unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_DEPRECATED("Use secp256k1_ec_seckey_negate instead")
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_tweak_mul(const secp256k1_context *ctx, unsigned char *seckey, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
SECP256K1_API void secp256k1_context_set_illegal_callback(secp256k1_context *ctx, void(*fun)(const char *message, void *data), const void *data) SECP256K1_ARG_NONNULL(1)
SECP256K1_API int secp256k1_ecdsa_signature_serialize_compact(const secp256k1_context *ctx, unsigned char *output64, const secp256k1_ecdsa_signature *sig) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
#define SECP256K1_WARN_UNUSED_RESULT
SECP256K1_API int secp256k1_ecdsa_signature_normalize(const secp256k1_context *ctx, secp256k1_ecdsa_signature *sigout, const secp256k1_ecdsa_signature *sigin) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(3)
SECP256K1_API const secp256k1_nonce_function secp256k1_nonce_function_default
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_context_randomize(secp256k1_context *ctx, const unsigned char *seed32) SECP256K1_ARG_NONNULL(1)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_tweak_mul(const secp256k1_context *ctx, secp256k1_pubkey *pubkey, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
SECP256K1_API const secp256k1_context * secp256k1_context_static
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_negate(const secp256k1_context *ctx, unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2)
SECP256K1_API void secp256k1_context_destroy(secp256k1_context *ctx) SECP256K1_ARG_NONNULL(1)
SECP256K1_API int secp256k1_ec_pubkey_serialize(const secp256k1_context *ctx, unsigned char *output, size_t *outputlen, const secp256k1_pubkey *pubkey, unsigned int flags) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_tweak_add(const secp256k1_context *ctx, unsigned char *seckey, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
SECP256K1_API void secp256k1_selftest(void)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_privkey_tweak_add(const secp256k1_context *ctx, unsigned char *seckey, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_DEPRECATED("Use secp256k1_ec_seckey_tweak_add instead")
SECP256K1_API const secp256k1_nonce_function secp256k1_nonce_function_rfc6979
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_create(const secp256k1_context *ctx, secp256k1_pubkey *pubkey, const unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_tweak_add(const secp256k1_context *ctx, secp256k1_pubkey *pubkey, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
struct secp256k1_context_struct secp256k1_context
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_verify(const secp256k1_context *ctx, const unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT secp256k1_scratch_space * secp256k1_scratch_space_create(const secp256k1_context *ctx, size_t size) SECP256K1_ARG_NONNULL(1)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_combine(const secp256k1_context *ctx, secp256k1_pubkey *out, const secp256k1_pubkey *const *ins, size_t n) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_parse(const secp256k1_context *ctx, secp256k1_pubkey *pubkey, const unsigned char *input, size_t inputlen) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
#define SECP256K1_DEPRECATED(_msg)
SECP256K1_API void secp256k1_context_set_error_callback(secp256k1_context *ctx, void(*fun)(const char *message, void *data), const void *data) SECP256K1_ARG_NONNULL(1)
SECP256K1_API int secp256k1_ecdsa_signature_parse_der(const secp256k1_context *ctx, secp256k1_ecdsa_signature *sig, const unsigned char *input, size_t inputlen) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
#define SECP256K1_ARG_NONNULL(_x)
std::string message("Message requiring signing")
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_tagged_sha256(const secp256k1_context *ctx, unsigned char *hash32, const unsigned char *tag, size_t taglen, const unsigned char *msg, size_t msglen) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(5)
SECP256K1_API secp256k1_context * secp256k1_context_clone(const secp256k1_context *ctx) SECP256K1_ARG_NONNULL(1) SECP256K1_WARN_UNUSED_RESULT
SECP256K1_API int secp256k1_ecdsa_signature_serialize_der(const secp256k1_context *ctx, unsigned char *output, size_t *outputlen, const secp256k1_ecdsa_signature *sig) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_negate(const secp256k1_context *ctx, secp256k1_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2)
int(* secp256k1_nonce_function)(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, const unsigned char *algo16, void *data, unsigned int attempt)
SECP256K1_API int secp256k1_ecdsa_signature_parse_compact(const secp256k1_context *ctx, secp256k1_ecdsa_signature *sig, const unsigned char *input64) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_privkey_tweak_mul(const secp256k1_context *ctx, unsigned char *seckey, const unsigned char *tweak32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_DEPRECATED("Use secp256k1_ec_seckey_tweak_mul instead")
SECP256K1_API void secp256k1_scratch_space_destroy(const secp256k1_context *ctx, secp256k1_scratch_space *scratch) SECP256K1_ARG_NONNULL(1)
SECP256K1_API secp256k1_context * secp256k1_context_create(unsigned int flags) SECP256K1_WARN_UNUSED_RESULT
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_verify(const secp256k1_context *ctx, const secp256k1_ecdsa_signature *sig, const unsigned char *msghash32, const secp256k1_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_cmp(const secp256k1_context *ctx, const secp256k1_pubkey *pubkey1, const secp256k1_pubkey *pubkey2) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)