rust-bitcoin · apoelstra · Dec 12, 2022 · Nov 30, 2022
diff --git a/Cargo.toml b/Cargo.toml
@@ -37,7 +37,7 @@ global-context = ["std"]
 global-context-less-secure = ["global-context"]
 
 [dependencies]
-secp256k1-sys = { version = "0.6.0", default-features = false, path = "./secp256k1-sys" }
+secp256k1-sys = { version = "0.7.0", default-features = false, path = "./secp256k1-sys" }
 serde = { version = "1.0", default-features = false, optional = true }
 
 # You likely only want to enable these if you explicitly do not want to use "std", otherwise enable

diff --git a/secp256k1-sys/CHANGELOG.md b/secp256k1-sys/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.7.0 - 2022-12-01
+
+* [Make comparison functions stable across library versions](https://github.com/rust-bitcoin/rust-secp256k1/pull/518)
+* Add public methods `cmp_fast_unstable` and `eq_fast_unstable` for types that contain an inner array (see PR linked above).
 
 # 0.6.0 - 2022-06-21
 

diff --git a/secp256k1-sys/Cargo.toml b/secp256k1-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "secp256k1-sys"
-version = "0.6.1"
+version = "0.7.0"
 authors = [ "Dawid Ciężarkiewicz <[email protected]>",
             "Andrew Poelstra <[email protected]>",
             "Steven Roose <[email protected]>" ]
@@ -12,7 +12,7 @@ description = "FFI for Pieter Wuille's `libsecp256k1` library."
 keywords = [ "secp256k1", "libsecp256k1", "ffi" ]
 readme = "README.md"
 build = "build.rs"
-links = "rustsecp256k1_v0_6_1"
+links = "rustsecp256k1_v0_7_0"
 edition = "2018"
 
 # Should make docs.rs show all functions, even those behind non-default features

diff --git a/secp256k1-sys/depend/secp256k1/Makefile.am b/secp256k1-sys/depend/secp256k1/Makefile.am
@@ -8,7 +8,7 @@ AM_CFLAGS = $(SECP_CFLAGS)
 
 lib_LTLIBRARIES = libsecp256k1.la
 include_HEADERS = include/secp256k1.h
-include_HEADERS += include/rustsecp256k1_v0_6_1_preallocated.h
+include_HEADERS += include/rustsecp256k1_v0_7_0_preallocated.h
 noinst_HEADERS =
 noinst_HEADERS += src/scalar.h
 noinst_HEADERS += src/scalar_4x64.h
@@ -64,13 +64,13 @@ noinst_HEADERS += contrib/lax_der_parsing.c
 noinst_HEADERS += contrib/lax_der_privatekey_parsing.h
 noinst_HEADERS += contrib/lax_der_privatekey_parsing.c
 
-PRECOMPUTED_LIB = librustsecp256k1_v0_6_1_precomputed.la
+PRECOMPUTED_LIB = librustsecp256k1_v0_7_0_precomputed.la
 noinst_LTLIBRARIES = $(PRECOMPUTED_LIB)
-librustsecp256k1_v0_6_1_precomputed_la_SOURCES =  src/precomputed_ecmult.c src/precomputed_ecmult_gen.c
-librustsecp256k1_v0_6_1_precomputed_la_CPPFLAGS = $(SECP_INCLUDES)
+librustsecp256k1_v0_7_0_precomputed_la_SOURCES =  src/precomputed_ecmult.c src/precomputed_ecmult_gen.c
+librustsecp256k1_v0_7_0_precomputed_la_CPPFLAGS = $(SECP_INCLUDES)
 
 if USE_EXTERNAL_ASM
-COMMON_LIB = librustsecp256k1_v0_6_1_common.la
+COMMON_LIB = librustsecp256k1_v0_7_0_common.la
 else
 COMMON_LIB =
 endif
@@ -81,17 +81,17 @@ pkgconfig_DATA = libsecp256k1.pc
 
 if USE_EXTERNAL_ASM
 if USE_ASM_ARM
-librustsecp256k1_v0_6_1_common_la_SOURCES = src/asm/field_10x26_arm.s
+librustsecp256k1_v0_7_0_common_la_SOURCES = src/asm/field_10x26_arm.s
 endif
 endif
 
-librustsecp256k1_v0_6_1_la_SOURCES = src/secp256k1.c
-librustsecp256k1_v0_6_1_la_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src $(SECP_INCLUDES)
-librustsecp256k1_v0_6_1_la_LIBADD = $(SECP_LIBS) $(COMMON_LIB) $(PRECOMPUTED_LIB)
-librustsecp256k1_v0_6_1_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_CURRENT):$(LIB_VERSION_REVISION):$(LIB_VERSION_AGE)
+librustsecp256k1_v0_7_0_la_SOURCES = src/secp256k1.c
+librustsecp256k1_v0_7_0_la_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src $(SECP_INCLUDES)
+librustsecp256k1_v0_7_0_la_LIBADD = $(SECP_LIBS) $(COMMON_LIB) $(PRECOMPUTED_LIB)
+librustsecp256k1_v0_7_0_la_LDFLAGS = -no-undefined -version-info $(LIB_VERSION_CURRENT):$(LIB_VERSION_REVISION):$(LIB_VERSION_AGE)
 
 if VALGRIND_ENABLED
-librustsecp256k1_v0_6_1_la_CPPFLAGS += -DVALGRIND
+librustsecp256k1_v0_7_0_la_CPPFLAGS += -DVALGRIND
 endif
 
 noinst_PROGRAMS =

diff --git a/secp256k1-sys/depend/secp256k1/contrib/lax_der_parsing.c b/secp256k1-sys/depend/secp256k1/contrib/lax_der_parsing.c
@@ -8,15 +8,15 @@
 
 #include "lax_der_parsing.h"
 
-int rustsecp256k1_v0_6_1_ecdsa_signature_parse_der_lax(const rustsecp256k1_v0_6_1_context* ctx, rustsecp256k1_v0_6_1_ecdsa_signature* sig, const unsigned char *input, size_t inputlen) {
+int rustsecp256k1_v0_7_0_ecdsa_signature_parse_der_lax(const rustsecp256k1_v0_7_0_context* ctx, rustsecp256k1_v0_7_0_ecdsa_signature* sig, const unsigned char *input, size_t inputlen) {
     size_t rpos, rlen, spos, slen;
     size_t pos = 0;
     size_t lenbyte;
     unsigned char tmpsig[64] = {0};
     int overflow = 0;
 
     /* Hack to initialize sig with a correctly-parsed but invalid signature. */
-    rustsecp256k1_v0_6_1_ecdsa_signature_parse_compact(ctx, sig, tmpsig);
+    rustsecp256k1_v0_7_0_ecdsa_signature_parse_compact(ctx, sig, tmpsig);
 
     /* Sequence tag byte */
     if (pos == inputlen || input[pos] != 0x30) {
@@ -137,11 +137,11 @@ int rustsecp256k1_v0_6_1_ecdsa_signature_parse_der_lax(const rustsecp256k1_v0_6_
     }
 
     if (!overflow) {
-        overflow = !rustsecp256k1_v0_6_1_ecdsa_signature_parse_compact(ctx, sig, tmpsig);
+        overflow = !rustsecp256k1_v0_7_0_ecdsa_signature_parse_compact(ctx, sig, tmpsig);
     }
     if (overflow) {
         memset(tmpsig, 0, 64);
-        rustsecp256k1_v0_6_1_ecdsa_signature_parse_compact(ctx, sig, tmpsig);
+        rustsecp256k1_v0_7_0_ecdsa_signature_parse_compact(ctx, sig, tmpsig);
     }
     return 1;
 }

diff --git a/secp256k1-sys/depend/secp256k1/contrib/lax_der_parsing.h b/secp256k1-sys/depend/secp256k1/contrib/lax_der_parsing.h
@@ -26,8 +26,8 @@
  * certain violations are easily supported. You may need to adapt it.
  *
  * Do not use this for new systems. Use well-defined DER or compact signatures
- * instead if you have the choice (see rustsecp256k1_v0_6_1_ecdsa_signature_parse_der and
- * rustsecp256k1_v0_6_1_ecdsa_signature_parse_compact).
+ * instead if you have the choice (see rustsecp256k1_v0_7_0_ecdsa_signature_parse_der and
+ * rustsecp256k1_v0_7_0_ecdsa_signature_parse_compact).
  *
  * The supported violations are:
  * - All numbers are parsed as nonnegative integers, even though X.609-0207
@@ -83,9 +83,9 @@ extern "C" {
  *  encoded numbers are out of range, signature validation with it is
  *  guaranteed to fail for every message and public key.
  */
-int rustsecp256k1_v0_6_1_ecdsa_signature_parse_der_lax(
-    const rustsecp256k1_v0_6_1_context* ctx,
-    rustsecp256k1_v0_6_1_ecdsa_signature* sig,
+int rustsecp256k1_v0_7_0_ecdsa_signature_parse_der_lax(
+    const rustsecp256k1_v0_7_0_context* ctx,
+    rustsecp256k1_v0_7_0_ecdsa_signature* sig,
     const unsigned char *input,
     size_t inputlen
 ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3);

diff --git a/secp256k1-sys/depend/secp256k1/contrib/lax_der_privatekey_parsing.c b/secp256k1-sys/depend/secp256k1/contrib/lax_der_privatekey_parsing.c
@@ -8,7 +8,7 @@
 
 #include "lax_der_privatekey_parsing.h"
 
-int ec_privkey_import_der(const rustsecp256k1_v0_6_1_context* ctx, unsigned char *out32, const unsigned char *privkey, size_t privkeylen) {
+int ec_privkey_import_der(const rustsecp256k1_v0_7_0_context* ctx, unsigned char *out32, const unsigned char *privkey, size_t privkeylen) {
     const unsigned char *end = privkey + privkeylen;
     int lenb = 0;
     int len = 0;
@@ -45,17 +45,17 @@ int ec_privkey_import_der(const rustsecp256k1_v0_6_1_context* ctx, unsigned char
         return 0;
     }
     if (privkey[1]) memcpy(out32 + 32 - privkey[1], privkey + 2, privkey[1]);
-    if (!rustsecp256k1_v0_6_1_ec_seckey_verify(ctx, out32)) {
+    if (!rustsecp256k1_v0_7_0_ec_seckey_verify(ctx, out32)) {
         memset(out32, 0, 32);
         return 0;
     }
     return 1;
 }
 
-int ec_privkey_export_der(const rustsecp256k1_v0_6_1_context *ctx, unsigned char *privkey, size_t *privkeylen, const unsigned char *key32, int compressed) {
-    rustsecp256k1_v0_6_1_pubkey pubkey;
+int ec_privkey_export_der(const rustsecp256k1_v0_7_0_context *ctx, unsigned char *privkey, size_t *privkeylen, const unsigned char *key32, int compressed) {
+    rustsecp256k1_v0_7_0_pubkey pubkey;
     size_t pubkeylen = 0;
-    if (!rustsecp256k1_v0_6_1_ec_pubkey_create(ctx, &pubkey, key32)) {
+    if (!rustsecp256k1_v0_7_0_ec_pubkey_create(ctx, &pubkey, key32)) {
         *privkeylen = 0;
         return 0;
     }
@@ -79,7 +79,7 @@ int ec_privkey_export_der(const rustsecp256k1_v0_6_1_context *ctx, unsigned char
         memcpy(ptr, key32, 32); ptr += 32;
         memcpy(ptr, middle, sizeof(middle)); ptr += sizeof(middle);
         pubkeylen = 33;
-        rustsecp256k1_v0_6_1_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED);
+        rustsecp256k1_v0_7_0_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED);
         ptr += pubkeylen;
         *privkeylen = ptr - privkey;
     } else {
@@ -104,7 +104,7 @@ int ec_privkey_export_der(const rustsecp256k1_v0_6_1_context *ctx, unsigned char
         memcpy(ptr, key32, 32); ptr += 32;
         memcpy(ptr, middle, sizeof(middle)); ptr += sizeof(middle);
         pubkeylen = 65;
-        rustsecp256k1_v0_6_1_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_UNCOMPRESSED);
+        rustsecp256k1_v0_7_0_ec_pubkey_serialize(ctx, ptr, &pubkeylen, &pubkey, SECP256K1_EC_UNCOMPRESSED);
         ptr += pubkeylen;
         *privkeylen = ptr - privkey;
     }

diff --git a/secp256k1-sys/depend/secp256k1/contrib/lax_der_privatekey_parsing.h b/secp256k1-sys/depend/secp256k1/contrib/lax_der_privatekey_parsing.h
@@ -58,10 +58,10 @@ extern "C" {
  *  simple 32-byte private keys are sufficient.
  *
  *  Note that this function does not guarantee correct DER output. It is
- *  guaranteed to be parsable by rustsecp256k1_v0_6_1_ec_privkey_import_der
+ *  guaranteed to be parsable by rustsecp256k1_v0_7_0_ec_privkey_import_der
  */
 SECP256K1_WARN_UNUSED_RESULT int ec_privkey_export_der(
-    const rustsecp256k1_v0_6_1_context* ctx,
+    const rustsecp256k1_v0_7_0_context* ctx,
     unsigned char *privkey,
     size_t *privkeylen,
     const unsigned char *seckey,
@@ -83,7 +83,7 @@ SECP256K1_WARN_UNUSED_RESULT int ec_privkey_export_der(
  * key.
  */
 SECP256K1_WARN_UNUSED_RESULT int ec_privkey_import_der(
-    const rustsecp256k1_v0_6_1_context* ctx,
+    const rustsecp256k1_v0_7_0_context* ctx,
     unsigned char *seckey,
     const unsigned char *privkey,
     size_t privkeylen