aboutsummaryrefslogtreecommitdiff
path: root/include/secp256k1_schnorrsig.h
diff options
context:
space:
mode:
authorLibravatar vnugent <public@vaughnnugent.com>2024-05-04 14:06:06 -0400
committerLibravatar vnugent <public@vaughnnugent.com>2024-05-04 14:06:06 -0400
commite7375560d465f6da71aae0483c0e7a72535ccc10 (patch)
treebbdfcb275ec0b66cfe84b7f8024258eef6c7aa5a /include/secp256k1_schnorrsig.h
parent7485aa5a43476c47d54ec51fb96751a14e0ed629 (diff)
Squashed commit of the following:
commit 0a40e209d03e8ff9b6f81cd5969d3e845c633bfc Author: vnugent <public@vaughnnugent.com> Date: Sat May 4 13:55:19 2024 -0400 ci: Force disable testing for win ci builds commit 55fae189fffc86f07a3448370f0a746670819712 Author: vnugent <public@vaughnnugent.com> Date: Thu May 2 21:54:35 2024 -0400 feat: Working and tested openssl impl & defaults commit 6ff8bb11774c51fd341b7699a3938fd894995fbf Author: vnugent <public@vaughnnugent.com> Date: Thu Apr 25 17:45:42 2024 -0400 refactor: Finish support and testing for mbedtls commit 7cb7a93de4f6f5e741bc5129e3d928e44f050930 Author: vnugent <public@vaughnnugent.com> Date: Tue Apr 23 18:19:31 2024 -0400 refactor!: MbedTLS on Windows, switch to uint32 commit 30e8dda6cbea86bdee6d5dfe48514385d3b9f81b Author: vnugent <public@vaughnnugent.com> Date: Tue Apr 23 14:48:05 2024 -0400 refactor: Crypto dep redesign working on Windows commit d09c6c1bd5da3e2d79351daeba304ca99976a726 Author: vnugent <public@vaughnnugent.com> Date: Thu Apr 18 00:28:51 2024 -0400 refactor!: Pushing what I have to dev commit 54e06ada7d624ed0d28c6a6db04a149708841bf8 Author: vnugent <public@vaughnnugent.com> Date: Sat Apr 13 01:24:00 2024 -0400 fix: convert constants to hex, inline macro, ParseErrorCode commit 4215e3100d9a0d23119080d09638fa5b60d0c6d4 Merge: d3328f4 7485aa5 Author: vnugent <public@vaughnnugent.com> Date: Wed Apr 3 18:26:30 2024 -0400 Merge branch 'master' into develop commit d3328f4152b22b28f24c43dda62464287f1efff5 Author: vnugent <public@vaughnnugent.com> Date: Wed Apr 3 18:22:56 2024 -0400 build: Included dependency and versions in client builds commit b11bc0bac955fd5c6db65f0da48456bf5e748805 Author: vnugent <public@vaughnnugent.com> Date: Wed Apr 3 18:10:08 2024 -0400 fix: Fix c89 compatabilty comments and struct assignment commit 9915bd41799a72413e6b400e150aa9f5fa797e25 Merge: 8e3d6ea 5184d7d Author: vnugent <public@vaughnnugent.com> Date: Sat Mar 30 09:57:30 2024 -0400 Merge branch 'master' into develop commit 8e3d6ea5e3c83fe42cb904b6ccc4fe2b73f76aae Author: vnugent <public@vaughnnugent.com> Date: Sat Mar 30 09:52:55 2024 -0400 refactor!: Some api (struct) changes and updated tests commit e88e8420520204e20802516f01d4488bb0b1d6ea Merge: 490dfee 21f6c0a Author: vnugent <public@vaughnnugent.com> Date: Sun Mar 3 15:02:34 2024 -0500 Merge branch 'master' into develop commit 490dfee4ef22479009627435c6ad728c3cbbab54 Author: vnugent <public@vaughnnugent.com> Date: Sun Mar 3 14:59:25 2024 -0500 test: #3 tests for encryption/description and Macs commit efa97490b7ed47f4e2f05bee52e2b33e14e439e6 Merge: 1b84e3c 120022a Author: vnugent <public@vaughnnugent.com> Date: Sun Mar 3 14:55:48 2024 -0500 merge master commit 1b84e3c7c2e55b1ff9ffdd09b66873e11c131441 Author: vnugent <public@vaughnnugent.com> Date: Sat Mar 2 22:57:36 2024 -0500 fix: #2 constent usage of sizeof() operator on struct types commit 9de5a214c66adea0ef2d0bac63c59449de202a88 Author: vnugent <public@vaughnnugent.com> Date: Fri Mar 1 14:30:36 2024 -0500 perf: avoid nc_key struct copy, cast and verify instead commit b917b761120ed684af28d0707673ffadcf14b8fe Author: vnugent <public@vaughnnugent.com> Date: Mon Feb 12 22:06:50 2024 -0500 fix: found the constant time memcompare function commit 9f85fff3b9f25da7410569ea94f994b88feb3910 Author: vnugent <public@vaughnnugent.com> Date: Fri Feb 9 22:48:35 2024 -0500 feat: added/update MAC functions to sign or verify nip44 payload commit aa5113741bb419b02d6ea416bba571fa3d65db46 Author: vnugent <public@vaughnnugent.com> Date: Wed Feb 7 01:37:53 2024 -0500 add missing hmac-key output buffer commit 55f47d22cc9ce4d1e22b70814d608c7ef3b1bbc9 Author: vnugent <public@vaughnnugent.com> Date: Sun Feb 4 21:08:13 2024 -0500 simple bug fixes, and public api argument validation tests commit 73c5a713fb164ae8b4ac8a891a8020e08eae0a3b Author: vnugent <public@vaughnnugent.com> Date: Fri Feb 2 23:05:48 2024 -0500 update api to return secpvalidate return code instead of internal return codes commit 06c73004e1a39a7ea4ea3a89c22dee0f66adb236 Author: vnugent <public@vaughnnugent.com> Date: Fri Feb 2 19:25:17 2024 -0500 change to lgpl license commit 6e79fdb3b6b6739fc7797d47e55a7691306cf736 Author: vnugent <public@vaughnnugent.com> Date: Wed Jan 31 21:30:49 2024 -0500 move validation macros, and optionally disable them commit ac1e58837f1ba687939f78b5c03cadd346c10ddd Author: vnugent <public@vaughnnugent.com> Date: Tue Jan 30 12:25:05 2024 -0500 couple more tests, renable range checks, set flags for all projects
Diffstat (limited to 'include/secp256k1_schnorrsig.h')
-rw-r--r--include/secp256k1_schnorrsig.h190
1 files changed, 0 insertions, 190 deletions
diff --git a/include/secp256k1_schnorrsig.h b/include/secp256k1_schnorrsig.h
deleted file mode 100644
index 5c338f4..0000000
--- a/include/secp256k1_schnorrsig.h
+++ /dev/null
@@ -1,190 +0,0 @@
-#ifndef SECP256K1_SCHNORRSIG_H
-#define SECP256K1_SCHNORRSIG_H
-
-#include "secp256k1.h"
-#include "secp256k1_extrakeys.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
- /** This module implements a variant of Schnorr signatures compliant with
- * Bitcoin Improvement Proposal 340 "Schnorr Signatures for secp256k1"
- * (https://github.com/bitcoin/bips/blob/master/bip-0340.mediawiki).
- */
-
- /** A pointer to a function to deterministically generate a nonce.
- *
- * Same as secp256k1_nonce function with the exception of accepting an
- * additional pubkey argument and not requiring an attempt argument. The pubkey
- * argument can protect signature schemes with key-prefixed challenge hash
- * inputs against reusing the nonce when signing with the wrong precomputed
- * pubkey.
- *
- * Returns: 1 if a nonce was successfully generated. 0 will cause signing to
- * return an error.
- * Out: nonce32: pointer to a 32-byte array to be filled by the function
- * In: msg: the message being verified. Is NULL if and only if msglen
- * is 0.
- * msglen: the length of the message
- * key32: pointer to a 32-byte secret key (will not be NULL)
- * xonly_pk32: the 32-byte serialized xonly pubkey corresponding to key32
- * (will not be NULL)
- * algo: pointer to an array describing the signature
- * algorithm (will not be NULL)
- * algolen: the length of the algo array
- * data: arbitrary data pointer that is passed through
- *
- * Except for test cases, this function should compute some cryptographic hash of
- * the message, the key, the pubkey, the algorithm description, and data.
- */
- typedef 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
- );
-
- /** An implementation of the nonce generation function as defined in Bitcoin
- * Improvement Proposal 340 "Schnorr Signatures for secp256k1"
- * (https://github.com/bitcoin/bips/blob/master/bip-0340.mediawiki).
- *
- * If a data pointer is passed, it is assumed to be a pointer to 32 bytes of
- * auxiliary random data as defined in BIP-340. If the data pointer is NULL,
- * the nonce derivation procedure follows BIP-340 by setting the auxiliary
- * random data to zero. The algo argument must be non-NULL, otherwise the
- * function will fail and return 0. The hash will be tagged with algo.
- * Therefore, to create BIP-340 compliant signatures, algo must be set to
- * "BIP0340/nonce" and algolen to 13.
- */
- SECP256K1_API const secp256k1_nonce_function_hardened secp256k1_nonce_function_bip340;
-
- /** Data structure that contains additional arguments for schnorrsig_sign_custom.
- *
- * A schnorrsig_extraparams structure object can be initialized correctly by
- * setting it to SECP256K1_SCHNORRSIG_EXTRAPARAMS_INIT.
- *
- * Members:
- * magic: set to SECP256K1_SCHNORRSIG_EXTRAPARAMS_MAGIC at initialization
- * and has no other function than making sure the object is
- * initialized.
- * noncefp: pointer to a nonce generation function. If NULL,
- * secp256k1_nonce_function_bip340 is used
- * ndata: pointer to arbitrary data used by the nonce generation function
- * (can be NULL). If it is non-NULL and
- * secp256k1_nonce_function_bip340 is used, then ndata must be a
- * pointer to 32-byte auxiliary randomness as per BIP-340.
- */
- typedef struct {
- unsigned char magic[4];
- secp256k1_nonce_function_hardened noncefp;
- void* ndata;
- } secp256k1_schnorrsig_extraparams;
-
-#define SECP256K1_SCHNORRSIG_EXTRAPARAMS_MAGIC { 0xda, 0x6f, 0xb3, 0x8c }
-#define SECP256K1_SCHNORRSIG_EXTRAPARAMS_INIT {\
- SECP256K1_SCHNORRSIG_EXTRAPARAMS_MAGIC,\
- NULL,\
- NULL\
-}
-
- /** Create a Schnorr signature.
- *
- * Does _not_ strictly follow BIP-340 because it does not verify the resulting
- * signature. Instead, you can manually use secp256k1_schnorrsig_verify and
- * abort if it fails.
- *
- * This function only signs 32-byte messages. If you have messages of a
- * different size (or the same size but without a context-specific tag
- * prefix), it is recommended to create a 32-byte message hash with
- * secp256k1_tagged_sha256 and then sign the hash. Tagged hashing allows
- * providing an context-specific tag for domain separation. This prevents
- * signatures from being valid in multiple contexts by accident.
- *
- * Returns 1 on success, 0 on failure.
- * Args: ctx: pointer to a context object (not secp256k1_context_static).
- * Out: sig64: pointer to a 64-byte array to store the serialized signature.
- * In: msg32: the 32-byte message being signed.
- * keypair: pointer to an initialized keypair.
- * aux_rand32: 32 bytes of fresh randomness. While recommended to provide
- * this, it is only supplemental to security and can be NULL. A
- * NULL argument is treated the same as an all-zero one. See
- * BIP-340 "Default Signing" for a full explanation of this
- * argument and for guidance if randomness is expensive.
- */
- SECP256K1_API int secp256k1_schnorrsig_sign32(
- 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);
-
- /** Same as secp256k1_schnorrsig_sign32, but DEPRECATED. Will be removed in
- * future versions. */
- 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)
- SECP256K1_DEPRECATED("Use secp256k1_schnorrsig_sign32 instead");
-
- /** Create a Schnorr signature with a more flexible API.
- *
- * Same arguments as secp256k1_schnorrsig_sign except that it allows signing
- * variable length messages and accepts a pointer to an extraparams object that
- * allows customizing signing by passing additional arguments.
- *
- * Equivalent to secp256k1_schnorrsig_sign32(..., aux_rand32) if msglen is 32
- * and extraparams is initialized as follows:
- * ```
- * secp256k1_schnorrsig_extraparams extraparams = SECP256K1_SCHNORRSIG_EXTRAPARAMS_INIT;
- * extraparams.ndata = (unsigned char*)aux_rand32;
- * ```
- *
- * Returns 1 on success, 0 on failure.
- * Args: ctx: pointer to a context object (not secp256k1_context_static).
- * Out: sig64: pointer to a 64-byte array to store the serialized signature.
- * In: msg: the message being signed. Can only be NULL if msglen is 0.
- * msglen: length of the message.
- * keypair: pointer to an initialized keypair.
- * extraparams: pointer to an extraparams object (can be NULL).
- */
- 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);
-
- /** Verify a Schnorr signature.
- *
- * Returns: 1: correct signature
- * 0: incorrect signature
- * Args: ctx: pointer to a context object.
- * In: sig64: pointer to the 64-byte signature to verify.
- * msg: the message being verified. Can only be NULL if msglen is 0.
- * msglen: length of the message
- * pubkey: pointer to an x-only public key to verify with
- */
- 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);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* SECP256K1_SCHNORRSIG_H */