Squashed 'src/secp256k1/' changes from 84973d3..6ad5cdb

6ad5cdb Merge #479: Get rid of reserved _t in type names
d1dc9df Get rid of reserved _t in type names
0b70241 Merge #474: Fix header guards using reserved identifiers
ab1f89f Merge #478: Fixed multiple typos
8c7ea22 Fixed multiple typos
abe2d3e Fix header guards using reserved identifiers
f532bdc Merge #459: Add pubkey prefix constants to include/secp256k1.h
cac7c55 Merge #470: Fix wnaf_const documentation
768514b Fix wnaf_const documentation with respect to return value and number of words set
b8c26a3 Merge #458: Fix typo in API documentation
817fb20 Merge #440: Fix typos
12230f9 Merge #468: Remove redundant conditional expression
2e1ccdc Remove redundant conditional expression
bc61b91 add pubkey prefix constants to include/secp256k1.h
b0452e6 Fix typo in API documentation
4c0f32e Fix typo: "Agressive" → "Aggressive"
73aca83 Fix typo: "exectured" → "executed"

git-subtree-dir: src/secp256k1
git-subtree-split: 6ad5cdb42a1a8257289a0423d644dcbdeab0f83c

include/secp256k1.h

@@ -1,9 +1,9 @@
-#ifndef _SECP256K1_
-# define _SECP256K1_
+#ifndef SECP256K1_H
+#define SECP256K1_H
 
-# ifdef __cplusplus
+#ifdef __cplusplus
 extern "C" {
-# endif
+#endif
 
 #include <stddef.h>
 
@@ -61,7 +61,7 @@ typedef struct {
  *  however guaranteed to be 64 bytes in size, and can be safely copied/moved.
  *  If you need to convert to a format suitable for storage, transmission, or
  *  comparison, use the secp256k1_ecdsa_signature_serialize_* and
- *  secp256k1_ecdsa_signature_serialize_* functions.
+ *  secp256k1_ecdsa_signature_parse_* functions.
  */
 typedef struct {
     unsigned char data[64];
@@ -159,6 +159,13 @@ typedef int (*secp256k1_nonce_function)(
 #define SECP256K1_EC_COMPRESSED (SECP256K1_FLAGS_TYPE_COMPRESSION | SECP256K1_FLAGS_BIT_COMPRESSION)
 #define SECP256K1_EC_UNCOMPRESSED (SECP256K1_FLAGS_TYPE_COMPRESSION)
 
+/** Prefix byte used to tag various encoded curvepoints for specific purposes */
+#define SECP256K1_TAG_PUBKEY_EVEN 0x02
+#define SECP256K1_TAG_PUBKEY_ODD 0x03
+#define SECP256K1_TAG_PUBKEY_UNCOMPRESSED 0x04
+#define SECP256K1_TAG_PUBKEY_HYBRID_EVEN 0x06
+#define SECP256K1_TAG_PUBKEY_HYBRID_ODD 0x07
+
 /** Create a secp256k1 context object.
  *
  *  Returns: a newly created context object.
@@ -607,8 +614,8 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_combine(
     size_t n
 ) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3);
 
-# ifdef __cplusplus
+#ifdef __cplusplus
 }
-# endif
-
 #endif
+
+#endif /* SECP256K1_H */

include/secp256k1_ecdh.h

@@ -1,11 +1,11 @@
-#ifndef _SECP256K1_ECDH_
-# define _SECP256K1_ECDH_
+#ifndef SECP256K1_ECDH_H
+#define SECP256K1_ECDH_H
 
-# include "secp256k1.h"
+#include "secp256k1.h"
 
-# ifdef __cplusplus
+#ifdef __cplusplus
 extern "C" {
-# endif
+#endif
 
 /** Compute an EC Diffie-Hellman secret in constant time
  *  Returns: 1: exponentiation was successful
@@ -24,8 +24,8 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdh(
   const unsigned char *privkey
 ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
 
-# ifdef __cplusplus
+#ifdef __cplusplus
 }
-# endif
-
 #endif
+
+#endif /* SECP256K1_ECDH_H */

include/secp256k1_recovery.h

@@ -1,11 +1,11 @@
-#ifndef _SECP256K1_RECOVERY_
-# define _SECP256K1_RECOVERY_
+#ifndef SECP256K1_RECOVERY_H
+#define SECP256K1_RECOVERY_H
 
-# include "secp256k1.h"
+#include "secp256k1.h"
 
-# ifdef __cplusplus
+#ifdef __cplusplus
 extern "C" {
-# endif
+#endif
 
 /** Opaque data structured that holds a parsed ECDSA signature,
  *  supporting pubkey recovery.
@@ -103,8 +103,8 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_recover(
     const unsigned char *msg32
 ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
 
-# ifdef __cplusplus
+#ifdef __cplusplus
 }
-# endif
-
 #endif
+
+#endif /* SECP256K1_RECOVERY_H */