aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/secp256k1/libsecp256k1/include/secp256k1_recovery.h
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/secp256k1/libsecp256k1/include/secp256k1_recovery.h')
-rw-r--r--crypto/secp256k1/libsecp256k1/include/secp256k1_recovery.h110
1 files changed, 0 insertions, 110 deletions
diff --git a/crypto/secp256k1/libsecp256k1/include/secp256k1_recovery.h b/crypto/secp256k1/libsecp256k1/include/secp256k1_recovery.h
deleted file mode 100644
index 055379725..000000000
--- a/crypto/secp256k1/libsecp256k1/include/secp256k1_recovery.h
+++ /dev/null
@@ -1,110 +0,0 @@
-#ifndef _SECP256K1_RECOVERY_
-# define _SECP256K1_RECOVERY_
-
-# include "secp256k1.h"
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-/** Opaque data structured that holds a parsed ECDSA signature,
- * supporting pubkey recovery.
- *
- * The exact representation of data inside is implementation defined and not
- * guaranteed to be portable between different platforms or versions. It is
- * however guaranteed to be 65 bytes in size, and can be safely copied/moved.
- * If you need to convert to a format suitable for storage or transmission, use
- * the secp256k1_ecdsa_signature_serialize_* and
- * secp256k1_ecdsa_signature_parse_* functions.
- *
- * Furthermore, it is guaranteed that identical signatures (including their
- * recoverability) will have identical representation, so they can be
- * memcmp'ed.
- */
-typedef struct {
- unsigned char data[65];
-} secp256k1_ecdsa_recoverable_signature;
-
-/** Parse a compact ECDSA signature (64 bytes + recovery id).
- *
- * Returns: 1 when the signature could be parsed, 0 otherwise
- * Args: ctx: a secp256k1 context object
- * Out: sig: a pointer to a signature object
- * In: input64: a pointer to a 64-byte compact signature
- * recid: the recovery id (0, 1, 2 or 3)
- */
-SECP256K1_API int secp256k1_ecdsa_recoverable_signature_parse_compact(
- const secp256k1_context* ctx,
- secp256k1_ecdsa_recoverable_signature* sig,
- const unsigned char *input64,
- int recid
-) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3);
-
-/** Convert a recoverable signature into a normal signature.
- *
- * Returns: 1
- * Out: sig: a pointer to a normal signature (cannot be NULL).
- * In: sigin: a pointer to a recoverable signature (cannot be NULL).
- */
-SECP256K1_API int secp256k1_ecdsa_recoverable_signature_convert(
- const secp256k1_context* ctx,
- secp256k1_ecdsa_signature* sig,
- const secp256k1_ecdsa_recoverable_signature* sigin
-) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3);
-
-/** Serialize an ECDSA signature in compact format (64 bytes + recovery id).
- *
- * Returns: 1
- * Args: ctx: a secp256k1 context object
- * Out: output64: a pointer to a 64-byte array of the compact signature (cannot be NULL)
- * recid: a pointer to an integer to hold the recovery id (can be NULL).
- * In: sig: a pointer to an initialized signature object (cannot be NULL)
- */
-SECP256K1_API int secp256k1_ecdsa_recoverable_signature_serialize_compact(
- const secp256k1_context* ctx,
- unsigned char *output64,
- int *recid,
- const secp256k1_ecdsa_recoverable_signature* sig
-) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
-
-/** Create a recoverable ECDSA signature.
- *
- * Returns: 1: signature created
- * 0: the nonce generation function failed, or the private key was invalid.
- * Args: ctx: pointer to a context object, initialized for signing (cannot be NULL)
- * Out: sig: pointer to an array where the signature will be placed (cannot be NULL)
- * In: msg32: the 32-byte message hash being signed (cannot be NULL)
- * seckey: pointer to a 32-byte secret key (cannot be NULL)
- * noncefp:pointer to a nonce generation function. If NULL, secp256k1_nonce_function_default is used
- * ndata: pointer to arbitrary data used by the nonce generation function (can be NULL)
- */
-SECP256K1_API int secp256k1_ecdsa_sign_recoverable(
- const secp256k1_context* ctx,
- secp256k1_ecdsa_recoverable_signature *sig,
- const unsigned char *msg32,
- 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);
-
-/** Recover an ECDSA public key from a signature.
- *
- * Returns: 1: public key successfully recovered (which guarantees a correct signature).
- * 0: otherwise.
- * Args: ctx: pointer to a context object, initialized for verification (cannot be NULL)
- * Out: pubkey: pointer to the recovered public key (cannot be NULL)
- * In: sig: pointer to initialized signature that supports pubkey recovery (cannot be NULL)
- * msg32: the 32-byte message hash assumed to be signed (cannot be NULL)
- */
-SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_recover(
- const secp256k1_context* ctx,
- secp256k1_pubkey *pubkey,
- const secp256k1_ecdsa_recoverable_signature *sig,
- const unsigned char *msg32
-) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
-
-# ifdef __cplusplus
-}
-# endif
-
-#endif