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doc: document the length requirements of output parameter. #714

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merged 1 commit into from
Feb 10, 2020

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rustyrussell
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It's subtle, since it is actually only touched by hashfp (though
we assert it's non-NULL), but give explicit advice in the default
case.

Signed-off-by: Rusty Russell rusty@rustcorp.com.au

It's subtle, since it is actually only touched by hashfp (though
we assert it's non-NULL), but give explicit advice in the default
case.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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@jonasnick jonasnick left a comment

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ACK 4b48a43

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@real-or-random real-or-random left a comment

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ACK 4b48a43 diff inspection

real-or-random added a commit that referenced this pull request Feb 10, 2020
4b48a43 doc: document the length requirements of output parameter. (Rusty Russell)

Pull request description:

  It's subtle, since it is actually only touched by hashfp (though
  we assert it's non-NULL), but give explicit advice in the default
  case.

  Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

ACKs for top commit:
  jonasnick:
    ACK 4b48a43
  real-or-random:
    ACK 4b48a43 diff inspection

Tree-SHA512: d6bedb495e46b27ac9b558e77d814884d782ea78569a2296688eccf374bc880d13846546ad449c2a677865cf6ed56fcbc8be58c21f9daca5084831074e20d769
@real-or-random real-or-random merged commit 4b48a43 into bitcoin-core:master Feb 10, 2020
deadalnix pushed a commit to Bitcoin-ABC/bitcoin-abc that referenced this pull request Mar 2, 2020
Summary:
It's subtle, since it is actually only touched by hashfp (though
we assert it's non-NULL), but give explicit advice in the default
case.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

This is a backport of libsecp256k1 [[ bitcoin-core/secp256k1#714 | PR714 ]].

Test Plan:
  ninja check-secp256k1

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D5389
deadalnix pushed a commit to Bitcoin-ABC/secp256k1 that referenced this pull request Mar 3, 2020
Summary:
It's subtle, since it is actually only touched by hashfp (though
we assert it's non-NULL), but give explicit advice in the default
case.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

This is a backport of libsecp256k1 [[ bitcoin-core/secp256k1#714 | PR714 ]].

Test Plan:
  ninja check-secp256k1

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D5389
sickpig pushed a commit to sickpig/BitcoinUnlimited that referenced this pull request Mar 24, 2020
Summary:
It's subtle, since it is actually only touched by hashfp (though
we assert it's non-NULL), but give explicit advice in the default
case.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

This is a backport of libsecp256k1 [[ bitcoin-core/secp256k1#714 | PR714 ]].

Test Plan:
  ninja check-secp256k1

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D5389
sickpig pushed a commit to sickpig/BitcoinUnlimited that referenced this pull request Mar 24, 2020
Summary:
It's subtle, since it is actually only touched by hashfp (though
we assert it's non-NULL), but give explicit advice in the default
case.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

This is a backport of libsecp256k1 [[ bitcoin-core/secp256k1#714 | PR714 ]].

Test Plan:
  ninja check-secp256k1

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D5389
ftrader pushed a commit to bitcoin-cash-node/bitcoin-cash-node that referenced this pull request May 19, 2020
Summary:
It's subtle, since it is actually only touched by hashfp (though
we assert it's non-NULL), but give explicit advice in the default
case.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

This is a backport of libsecp256k1 [[ bitcoin-core/secp256k1#714 | PR714 ]].

Test Plan:
  ninja check-secp256k1

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D5389
fanquake added a commit to bitcoin/bitcoin that referenced this pull request Jun 13, 2020
e10439c scripted-diff: rename privkey with seckey in secp256k1 interface (Pieter Wuille)
ca8bc42 Drop --disable-jni from libsecp256k1 configure options (Pieter Wuille)
ddc2419 Update MSVC build config for libsecp256k1 (Pieter Wuille)
67f232b Squashed 'src/secp256k1/' changes from b19c000..2ed54da (Pieter Wuille)

Pull request description:

  It's been abound a year since the subtree was updated.

  Here is a list of the included PRs:

  * bitcoin-core/secp256k1#755: Recovery signing: add to constant time test, and eliminate non ct operators
  * bitcoin-core/secp256k1#754: Fix uninit values passed into cmov
  * bitcoin-core/secp256k1#752: autoconf: Use ":" instead of "dnl" as a noop
  * bitcoin-core/secp256k1#750: Add macOS to the CI
  * bitcoin-core/secp256k1#701: Make ec_ arithmetic more consistent and add documentation
  * bitcoin-core/secp256k1#732: Retry if r is zero during signing
  * bitcoin-core/secp256k1#742: Fix typo in ecmult_const_impl.h
  * bitcoin-core/secp256k1#740: Make recovery/main_impl.h non-executable
  * bitcoin-core/secp256k1#735: build: fix OpenSSL EC detection on macOS
  * bitcoin-core/secp256k1#728: Suppress a harmless variable-time optimization by clang in memczero
  * bitcoin-core/secp256k1#722: Context isn't freed in the ECDH benchmark
  * bitcoin-core/secp256k1#700: Allow overriding default flags
  * bitcoin-core/secp256k1#708: Constant-time behaviour test using valgrind memtest.
  * bitcoin-core/secp256k1#710: Eliminate harmless non-constant time operations on secret data.
  * bitcoin-core/secp256k1#718: Clarify that a secp256k1_ecdh_hash_function must return 0 or 1
  * bitcoin-core/secp256k1#714: doc: document the length requirements of output parameter.
  * bitcoin-core/secp256k1#682: Remove Java Native Interface
  * bitcoin-core/secp256k1#713: Docstrings
  * bitcoin-core/secp256k1#704: README: add a section for test coverage
  * bitcoin-core/secp256k1#709: Remove secret-dependant non-constant time operation in ecmult_const.
  * bitcoin-core/secp256k1#703: Overhaul README.md
  * bitcoin-core/secp256k1#689: Remove "except in benchmarks" exception for fp math
  * bitcoin-core/secp256k1#679: Add SECURITY.md
  * bitcoin-core/secp256k1#685: Fix issue where travis does not show the ./tests seed…
  * bitcoin-core/secp256k1#690: Add valgrind check to travis
  * bitcoin-core/secp256k1#678: Preventing compiler optimizations in benchmarks without a memory fence
  * bitcoin-core/secp256k1#688: Fix ASM setting in travis
  * bitcoin-core/secp256k1#684: Make no-float policy explicit
  * bitcoin-core/secp256k1#677: Remove note about heap allocation in secp256k1_ecmult_odd_multiples_table_storage_var
  * bitcoin-core/secp256k1#647: Increase robustness against UB in secp256k1_scalar_cadd_bit
  * bitcoin-core/secp256k1#664: Remove mention of ec_privkey_export because it doesn't exist
  * bitcoin-core/secp256k1#337: variable sized precomputed table for signing
  * bitcoin-core/secp256k1#661: Make ./configure string consistent
  * bitcoin-core/secp256k1#657: Fix a nit in the recovery tests
  * bitcoin-core/secp256k1#650: secp256k1/src/tests.c:  Properly handle sscanf return value
  * bitcoin-core/secp256k1#654: Fix typo (∞)
  * bitcoin-core/secp256k1#583: JNI: fix use sig array
  * bitcoin-core/secp256k1#644: Avoid optimizing out a verify_check
  * bitcoin-core/secp256k1#652: README.md: update instruction to run tests
  * bitcoin-core/secp256k1#651: Fix typo in secp256k1_preallocated.h
  * bitcoin-core/secp256k1#640: scalar_impl.h: fix includes
  * bitcoin-core/secp256k1#655: jni: Use only Guava for hex encoding and decoding
  * bitcoin-core/secp256k1#634: Add a descriptive comment for secp256k1_ecmult_const.
  * bitcoin-core/secp256k1#631: typo in comment for secp256k1_ec_pubkey_tweak_mul ()
  * bitcoin-core/secp256k1#629: Avoid calling _is_zero when _set_b32 fails.
  * bitcoin-core/secp256k1#630: Note intention of timing sidechannel freeness.
  * bitcoin-core/secp256k1#628: Fix ability to compile tests without -DVERIFY.
  * bitcoin-core/secp256k1#627: Guard memcmp in tests against mixed size inputs.
  * bitcoin-core/secp256k1#578: Avoid implementation-defined and undefined behavior when dealing with sizes
  * bitcoin-core/secp256k1#595: Allow to use external default callbacks
  * bitcoin-core/secp256k1#600: scratch space: use single allocation
  * bitcoin-core/secp256k1#592: Use trivial algorithm in ecmult_multi if scratch space is small
  * bitcoin-core/secp256k1#566: Enable context creation in preallocated memory
  * bitcoin-core/secp256k1#596: Make WINDOW_G configurable
  * bitcoin-core/secp256k1#561: Respect LDFLAGS and #undef STATIC_PRECOMPUTATION if using basic config
  * bitcoin-core/secp256k1#533: Make sure we're not using an uninitialized variable in secp256k1_wnaf_const(...)
  * bitcoin-core/secp256k1#617: Pass scalar by reference in secp256k1_wnaf_const()
  * bitcoin-core/secp256k1#619: Clear a copied secret key after negation
  * bitcoin-core/secp256k1#612: Allow field_10x26_arm.s to compile for ARMv7 architecture

ACKs for top commit:
  real-or-random:
    ACK e10439c I verified the diff (subtree matches my local tree, manual inspection of other commits) but I didn't tested the resulting code
  fanquake:
    ACK e10439c
  Sjors:
    ACK e10439c
  jonasnick:
    reACK e10439c

Tree-SHA512: eb6284a485da78e9d2ed3f771df85560d47c770ebf480a0d4121ab356ad26be101a2b973efe412f26e6c142bc1dbd2efbb5cc08774233e41918c59fe3dff3387
sidhujag pushed a commit to syscoin/syscoin that referenced this pull request Jun 13, 2020
e10439c scripted-diff: rename privkey with seckey in secp256k1 interface (Pieter Wuille)
ca8bc42 Drop --disable-jni from libsecp256k1 configure options (Pieter Wuille)
ddc2419 Update MSVC build config for libsecp256k1 (Pieter Wuille)
67f232b Squashed 'src/secp256k1/' changes from b19c000..2ed54da (Pieter Wuille)

Pull request description:

  It's been abound a year since the subtree was updated.

  Here is a list of the included PRs:

  * bitcoin-core/secp256k1#755: Recovery signing: add to constant time test, and eliminate non ct operators
  * bitcoin-core/secp256k1#754: Fix uninit values passed into cmov
  * bitcoin-core/secp256k1#752: autoconf: Use ":" instead of "dnl" as a noop
  * bitcoin-core/secp256k1#750: Add macOS to the CI
  * bitcoin-core/secp256k1#701: Make ec_ arithmetic more consistent and add documentation
  * bitcoin-core/secp256k1#732: Retry if r is zero during signing
  * bitcoin-core/secp256k1#742: Fix typo in ecmult_const_impl.h
  * bitcoin-core/secp256k1#740: Make recovery/main_impl.h non-executable
  * bitcoin-core/secp256k1#735: build: fix OpenSSL EC detection on macOS
  * bitcoin-core/secp256k1#728: Suppress a harmless variable-time optimization by clang in memczero
  * bitcoin-core/secp256k1#722: Context isn't freed in the ECDH benchmark
  * bitcoin-core/secp256k1#700: Allow overriding default flags
  * bitcoin-core/secp256k1#708: Constant-time behaviour test using valgrind memtest.
  * bitcoin-core/secp256k1#710: Eliminate harmless non-constant time operations on secret data.
  * bitcoin-core/secp256k1#718: Clarify that a secp256k1_ecdh_hash_function must return 0 or 1
  * bitcoin-core/secp256k1#714: doc: document the length requirements of output parameter.
  * bitcoin-core/secp256k1#682: Remove Java Native Interface
  * bitcoin-core/secp256k1#713: Docstrings
  * bitcoin-core/secp256k1#704: README: add a section for test coverage
  * bitcoin-core/secp256k1#709: Remove secret-dependant non-constant time operation in ecmult_const.
  * bitcoin-core/secp256k1#703: Overhaul README.md
  * bitcoin-core/secp256k1#689: Remove "except in benchmarks" exception for fp math
  * bitcoin-core/secp256k1#679: Add SECURITY.md
  * bitcoin-core/secp256k1#685: Fix issue where travis does not show the ./tests seed…
  * bitcoin-core/secp256k1#690: Add valgrind check to travis
  * bitcoin-core/secp256k1#678: Preventing compiler optimizations in benchmarks without a memory fence
  * bitcoin-core/secp256k1#688: Fix ASM setting in travis
  * bitcoin-core/secp256k1#684: Make no-float policy explicit
  * bitcoin-core/secp256k1#677: Remove note about heap allocation in secp256k1_ecmult_odd_multiples_table_storage_var
  * bitcoin-core/secp256k1#647: Increase robustness against UB in secp256k1_scalar_cadd_bit
  * bitcoin-core/secp256k1#664: Remove mention of ec_privkey_export because it doesn't exist
  * bitcoin-core/secp256k1#337: variable sized precomputed table for signing
  * bitcoin-core/secp256k1#661: Make ./configure string consistent
  * bitcoin-core/secp256k1#657: Fix a nit in the recovery tests
  * bitcoin-core/secp256k1#650: secp256k1/src/tests.c:  Properly handle sscanf return value
  * bitcoin-core/secp256k1#654: Fix typo (∞)
  * bitcoin-core/secp256k1#583: JNI: fix use sig array
  * bitcoin-core/secp256k1#644: Avoid optimizing out a verify_check
  * bitcoin-core/secp256k1#652: README.md: update instruction to run tests
  * bitcoin-core/secp256k1#651: Fix typo in secp256k1_preallocated.h
  * bitcoin-core/secp256k1#640: scalar_impl.h: fix includes
  * bitcoin-core/secp256k1#655: jni: Use only Guava for hex encoding and decoding
  * bitcoin-core/secp256k1#634: Add a descriptive comment for secp256k1_ecmult_const.
  * bitcoin-core/secp256k1#631: typo in comment for secp256k1_ec_pubkey_tweak_mul ()
  * bitcoin-core/secp256k1#629: Avoid calling _is_zero when _set_b32 fails.
  * bitcoin-core/secp256k1#630: Note intention of timing sidechannel freeness.
  * bitcoin-core/secp256k1#628: Fix ability to compile tests without -DVERIFY.
  * bitcoin-core/secp256k1#627: Guard memcmp in tests against mixed size inputs.
  * bitcoin-core/secp256k1#578: Avoid implementation-defined and undefined behavior when dealing with sizes
  * bitcoin-core/secp256k1#595: Allow to use external default callbacks
  * bitcoin-core/secp256k1#600: scratch space: use single allocation
  * bitcoin-core/secp256k1#592: Use trivial algorithm in ecmult_multi if scratch space is small
  * bitcoin-core/secp256k1#566: Enable context creation in preallocated memory
  * bitcoin-core/secp256k1#596: Make WINDOW_G configurable
  * bitcoin-core/secp256k1#561: Respect LDFLAGS and #undef STATIC_PRECOMPUTATION if using basic config
  * bitcoin-core/secp256k1#533: Make sure we're not using an uninitialized variable in secp256k1_wnaf_const(...)
  * bitcoin-core/secp256k1#617: Pass scalar by reference in secp256k1_wnaf_const()
  * bitcoin-core/secp256k1#619: Clear a copied secret key after negation
  * bitcoin-core/secp256k1#612: Allow field_10x26_arm.s to compile for ARMv7 architecture

ACKs for top commit:
  real-or-random:
    ACK e10439c I verified the diff (subtree matches my local tree, manual inspection of other commits) but I didn't tested the resulting code
  fanquake:
    ACK e10439c
  Sjors:
    ACK e10439c
  jonasnick:
    reACK e10439c

Tree-SHA512: eb6284a485da78e9d2ed3f771df85560d47c770ebf480a0d4121ab356ad26be101a2b973efe412f26e6c142bc1dbd2efbb5cc08774233e41918c59fe3dff3387
ComputerCraftr pushed a commit to ComputerCraftr/bitcoin that referenced this pull request Jun 16, 2020
e10439c scripted-diff: rename privkey with seckey in secp256k1 interface (Pieter Wuille)
ca8bc42 Drop --disable-jni from libsecp256k1 configure options (Pieter Wuille)
ddc2419 Update MSVC build config for libsecp256k1 (Pieter Wuille)
67f232b Squashed 'src/secp256k1/' changes from b19c000..2ed54da (Pieter Wuille)

Pull request description:

  It's been abound a year since the subtree was updated.

  Here is a list of the included PRs:

  * bitcoin-core/secp256k1#755: Recovery signing: add to constant time test, and eliminate non ct operators
  * bitcoin-core/secp256k1#754: Fix uninit values passed into cmov
  * bitcoin-core/secp256k1#752: autoconf: Use ":" instead of "dnl" as a noop
  * bitcoin-core/secp256k1#750: Add macOS to the CI
  * bitcoin-core/secp256k1#701: Make ec_ arithmetic more consistent and add documentation
  * bitcoin-core/secp256k1#732: Retry if r is zero during signing
  * bitcoin-core/secp256k1#742: Fix typo in ecmult_const_impl.h
  * bitcoin-core/secp256k1#740: Make recovery/main_impl.h non-executable
  * bitcoin-core/secp256k1#735: build: fix OpenSSL EC detection on macOS
  * bitcoin-core/secp256k1#728: Suppress a harmless variable-time optimization by clang in memczero
  * bitcoin-core/secp256k1#722: Context isn't freed in the ECDH benchmark
  * bitcoin-core/secp256k1#700: Allow overriding default flags
  * bitcoin-core/secp256k1#708: Constant-time behaviour test using valgrind memtest.
  * bitcoin-core/secp256k1#710: Eliminate harmless non-constant time operations on secret data.
  * bitcoin-core/secp256k1#718: Clarify that a secp256k1_ecdh_hash_function must return 0 or 1
  * bitcoin-core/secp256k1#714: doc: document the length requirements of output parameter.
  * bitcoin-core/secp256k1#682: Remove Java Native Interface
  * bitcoin-core/secp256k1#713: Docstrings
  * bitcoin-core/secp256k1#704: README: add a section for test coverage
  * bitcoin-core/secp256k1#709: Remove secret-dependant non-constant time operation in ecmult_const.
  * bitcoin-core/secp256k1#703: Overhaul README.md
  * bitcoin-core/secp256k1#689: Remove "except in benchmarks" exception for fp math
  * bitcoin-core/secp256k1#679: Add SECURITY.md
  * bitcoin-core/secp256k1#685: Fix issue where travis does not show the ./tests seed…
  * bitcoin-core/secp256k1#690: Add valgrind check to travis
  * bitcoin-core/secp256k1#678: Preventing compiler optimizations in benchmarks without a memory fence
  * bitcoin-core/secp256k1#688: Fix ASM setting in travis
  * bitcoin-core/secp256k1#684: Make no-float policy explicit
  * bitcoin-core/secp256k1#677: Remove note about heap allocation in secp256k1_ecmult_odd_multiples_table_storage_var
  * bitcoin-core/secp256k1#647: Increase robustness against UB in secp256k1_scalar_cadd_bit
  * bitcoin-core/secp256k1#664: Remove mention of ec_privkey_export because it doesn't exist
  * bitcoin-core/secp256k1#337: variable sized precomputed table for signing
  * bitcoin-core/secp256k1#661: Make ./configure string consistent
  * bitcoin-core/secp256k1#657: Fix a nit in the recovery tests
  * bitcoin-core/secp256k1#650: secp256k1/src/tests.c:  Properly handle sscanf return value
  * bitcoin-core/secp256k1#654: Fix typo (∞)
  * bitcoin-core/secp256k1#583: JNI: fix use sig array
  * bitcoin-core/secp256k1#644: Avoid optimizing out a verify_check
  * bitcoin-core/secp256k1#652: README.md: update instruction to run tests
  * bitcoin-core/secp256k1#651: Fix typo in secp256k1_preallocated.h
  * bitcoin-core/secp256k1#640: scalar_impl.h: fix includes
  * bitcoin-core/secp256k1#655: jni: Use only Guava for hex encoding and decoding
  * bitcoin-core/secp256k1#634: Add a descriptive comment for secp256k1_ecmult_const.
  * bitcoin-core/secp256k1#631: typo in comment for secp256k1_ec_pubkey_tweak_mul ()
  * bitcoin-core/secp256k1#629: Avoid calling _is_zero when _set_b32 fails.
  * bitcoin-core/secp256k1#630: Note intention of timing sidechannel freeness.
  * bitcoin-core/secp256k1#628: Fix ability to compile tests without -DVERIFY.
  * bitcoin-core/secp256k1#627: Guard memcmp in tests against mixed size inputs.
  * bitcoin-core/secp256k1#578: Avoid implementation-defined and undefined behavior when dealing with sizes
  * bitcoin-core/secp256k1#595: Allow to use external default callbacks
  * bitcoin-core/secp256k1#600: scratch space: use single allocation
  * bitcoin-core/secp256k1#592: Use trivial algorithm in ecmult_multi if scratch space is small
  * bitcoin-core/secp256k1#566: Enable context creation in preallocated memory
  * bitcoin-core/secp256k1#596: Make WINDOW_G configurable
  * bitcoin-core/secp256k1#561: Respect LDFLAGS and #undef STATIC_PRECOMPUTATION if using basic config
  * bitcoin-core/secp256k1#533: Make sure we're not using an uninitialized variable in secp256k1_wnaf_const(...)
  * bitcoin-core/secp256k1#617: Pass scalar by reference in secp256k1_wnaf_const()
  * bitcoin-core/secp256k1#619: Clear a copied secret key after negation
  * bitcoin-core/secp256k1#612: Allow field_10x26_arm.s to compile for ARMv7 architecture

ACKs for top commit:
  real-or-random:
    ACK e10439c I verified the diff (subtree matches my local tree, manual inspection of other commits) but I didn't tested the resulting code
  fanquake:
    ACK e10439c
  Sjors:
    ACK e10439c
  jonasnick:
    reACK e10439c

Tree-SHA512: eb6284a485da78e9d2ed3f771df85560d47c770ebf480a0d4121ab356ad26be101a2b973efe412f26e6c142bc1dbd2efbb5cc08774233e41918c59fe3dff3387
UdjinM6 pushed a commit to UdjinM6/dash that referenced this pull request Aug 10, 2021
e10439c scripted-diff: rename privkey with seckey in secp256k1 interface (Pieter Wuille)
ca8bc42 Drop --disable-jni from libsecp256k1 configure options (Pieter Wuille)
ddc2419 Update MSVC build config for libsecp256k1 (Pieter Wuille)
67f232b Squashed 'src/secp256k1/' changes from b19c000..2ed54da (Pieter Wuille)

Pull request description:

  It's been abound a year since the subtree was updated.

  Here is a list of the included PRs:

  * bitcoin-core/secp256k1#755: Recovery signing: add to constant time test, and eliminate non ct operators
  * bitcoin-core/secp256k1#754: Fix uninit values passed into cmov
  * bitcoin-core/secp256k1#752: autoconf: Use ":" instead of "dnl" as a noop
  * bitcoin-core/secp256k1#750: Add macOS to the CI
  * bitcoin-core/secp256k1#701: Make ec_ arithmetic more consistent and add documentation
  * bitcoin-core/secp256k1#732: Retry if r is zero during signing
  * bitcoin-core/secp256k1#742: Fix typo in ecmult_const_impl.h
  * bitcoin-core/secp256k1#740: Make recovery/main_impl.h non-executable
  * bitcoin-core/secp256k1#735: build: fix OpenSSL EC detection on macOS
  * bitcoin-core/secp256k1#728: Suppress a harmless variable-time optimization by clang in memczero
  * bitcoin-core/secp256k1#722: Context isn't freed in the ECDH benchmark
  * bitcoin-core/secp256k1#700: Allow overriding default flags
  * bitcoin-core/secp256k1#708: Constant-time behaviour test using valgrind memtest.
  * bitcoin-core/secp256k1#710: Eliminate harmless non-constant time operations on secret data.
  * bitcoin-core/secp256k1#718: Clarify that a secp256k1_ecdh_hash_function must return 0 or 1
  * bitcoin-core/secp256k1#714: doc: document the length requirements of output parameter.
  * bitcoin-core/secp256k1#682: Remove Java Native Interface
  * bitcoin-core/secp256k1#713: Docstrings
  * bitcoin-core/secp256k1#704: README: add a section for test coverage
  * bitcoin-core/secp256k1#709: Remove secret-dependant non-constant time operation in ecmult_const.
  * bitcoin-core/secp256k1#703: Overhaul README.md
  * bitcoin-core/secp256k1#689: Remove "except in benchmarks" exception for fp math
  * bitcoin-core/secp256k1#679: Add SECURITY.md
  * bitcoin-core/secp256k1#685: Fix issue where travis does not show the ./tests seed…
  * bitcoin-core/secp256k1#690: Add valgrind check to travis
  * bitcoin-core/secp256k1#678: Preventing compiler optimizations in benchmarks without a memory fence
  * bitcoin-core/secp256k1#688: Fix ASM setting in travis
  * bitcoin-core/secp256k1#684: Make no-float policy explicit
  * bitcoin-core/secp256k1#677: Remove note about heap allocation in secp256k1_ecmult_odd_multiples_table_storage_var
  * bitcoin-core/secp256k1#647: Increase robustness against UB in secp256k1_scalar_cadd_bit
  * bitcoin-core/secp256k1#664: Remove mention of ec_privkey_export because it doesn't exist
  * bitcoin-core/secp256k1#337: variable sized precomputed table for signing
  * bitcoin-core/secp256k1#661: Make ./configure string consistent
  * bitcoin-core/secp256k1#657: Fix a nit in the recovery tests
  * bitcoin-core/secp256k1#650: secp256k1/src/tests.c:  Properly handle sscanf return value
  * bitcoin-core/secp256k1#654: Fix typo (∞)
  * bitcoin-core/secp256k1#583: JNI: fix use sig array
  * bitcoin-core/secp256k1#644: Avoid optimizing out a verify_check
  * bitcoin-core/secp256k1#652: README.md: update instruction to run tests
  * bitcoin-core/secp256k1#651: Fix typo in secp256k1_preallocated.h
  * bitcoin-core/secp256k1#640: scalar_impl.h: fix includes
  * bitcoin-core/secp256k1#655: jni: Use only Guava for hex encoding and decoding
  * bitcoin-core/secp256k1#634: Add a descriptive comment for secp256k1_ecmult_const.
  * bitcoin-core/secp256k1#631: typo in comment for secp256k1_ec_pubkey_tweak_mul ()
  * bitcoin-core/secp256k1#629: Avoid calling _is_zero when _set_b32 fails.
  * bitcoin-core/secp256k1#630: Note intention of timing sidechannel freeness.
  * bitcoin-core/secp256k1#628: Fix ability to compile tests without -DVERIFY.
  * bitcoin-core/secp256k1#627: Guard memcmp in tests against mixed size inputs.
  * bitcoin-core/secp256k1#578: Avoid implementation-defined and undefined behavior when dealing with sizes
  * bitcoin-core/secp256k1#595: Allow to use external default callbacks
  * bitcoin-core/secp256k1#600: scratch space: use single allocation
  * bitcoin-core/secp256k1#592: Use trivial algorithm in ecmult_multi if scratch space is small
  * bitcoin-core/secp256k1#566: Enable context creation in preallocated memory
  * bitcoin-core/secp256k1#596: Make WINDOW_G configurable
  * bitcoin-core/secp256k1#561: Respect LDFLAGS and #undef STATIC_PRECOMPUTATION if using basic config
  * bitcoin-core/secp256k1#533: Make sure we're not using an uninitialized variable in secp256k1_wnaf_const(...)
  * bitcoin-core/secp256k1#617: Pass scalar by reference in secp256k1_wnaf_const()
  * bitcoin-core/secp256k1#619: Clear a copied secret key after negation
  * bitcoin-core/secp256k1#612: Allow field_10x26_arm.s to compile for ARMv7 architecture

ACKs for top commit:
  real-or-random:
    ACK e10439c I verified the diff (subtree matches my local tree, manual inspection of other commits) but I didn't tested the resulting code
  fanquake:
    ACK e10439c
  Sjors:
    ACK e10439c
  jonasnick:
    reACK e10439c

Tree-SHA512: eb6284a485da78e9d2ed3f771df85560d47c770ebf480a0d4121ab356ad26be101a2b973efe412f26e6c142bc1dbd2efbb5cc08774233e41918c59fe3dff3387
5tefan pushed a commit to 5tefan/dash that referenced this pull request Aug 12, 2021
e10439c scripted-diff: rename privkey with seckey in secp256k1 interface (Pieter Wuille)
ca8bc42 Drop --disable-jni from libsecp256k1 configure options (Pieter Wuille)
ddc2419 Update MSVC build config for libsecp256k1 (Pieter Wuille)
67f232b Squashed 'src/secp256k1/' changes from b19c000..2ed54da (Pieter Wuille)

Pull request description:

  It's been abound a year since the subtree was updated.

  Here is a list of the included PRs:

  * bitcoin-core/secp256k1#755: Recovery signing: add to constant time test, and eliminate non ct operators
  * bitcoin-core/secp256k1#754: Fix uninit values passed into cmov
  * bitcoin-core/secp256k1#752: autoconf: Use ":" instead of "dnl" as a noop
  * bitcoin-core/secp256k1#750: Add macOS to the CI
  * bitcoin-core/secp256k1#701: Make ec_ arithmetic more consistent and add documentation
  * bitcoin-core/secp256k1#732: Retry if r is zero during signing
  * bitcoin-core/secp256k1#742: Fix typo in ecmult_const_impl.h
  * bitcoin-core/secp256k1#740: Make recovery/main_impl.h non-executable
  * bitcoin-core/secp256k1#735: build: fix OpenSSL EC detection on macOS
  * bitcoin-core/secp256k1#728: Suppress a harmless variable-time optimization by clang in memczero
  * bitcoin-core/secp256k1#722: Context isn't freed in the ECDH benchmark
  * bitcoin-core/secp256k1#700: Allow overriding default flags
  * bitcoin-core/secp256k1#708: Constant-time behaviour test using valgrind memtest.
  * bitcoin-core/secp256k1#710: Eliminate harmless non-constant time operations on secret data.
  * bitcoin-core/secp256k1#718: Clarify that a secp256k1_ecdh_hash_function must return 0 or 1
  * bitcoin-core/secp256k1#714: doc: document the length requirements of output parameter.
  * bitcoin-core/secp256k1#682: Remove Java Native Interface
  * bitcoin-core/secp256k1#713: Docstrings
  * bitcoin-core/secp256k1#704: README: add a section for test coverage
  * bitcoin-core/secp256k1#709: Remove secret-dependant non-constant time operation in ecmult_const.
  * bitcoin-core/secp256k1#703: Overhaul README.md
  * bitcoin-core/secp256k1#689: Remove "except in benchmarks" exception for fp math
  * bitcoin-core/secp256k1#679: Add SECURITY.md
  * bitcoin-core/secp256k1#685: Fix issue where travis does not show the ./tests seed…
  * bitcoin-core/secp256k1#690: Add valgrind check to travis
  * bitcoin-core/secp256k1#678: Preventing compiler optimizations in benchmarks without a memory fence
  * bitcoin-core/secp256k1#688: Fix ASM setting in travis
  * bitcoin-core/secp256k1#684: Make no-float policy explicit
  * bitcoin-core/secp256k1#677: Remove note about heap allocation in secp256k1_ecmult_odd_multiples_table_storage_var
  * bitcoin-core/secp256k1#647: Increase robustness against UB in secp256k1_scalar_cadd_bit
  * bitcoin-core/secp256k1#664: Remove mention of ec_privkey_export because it doesn't exist
  * bitcoin-core/secp256k1#337: variable sized precomputed table for signing
  * bitcoin-core/secp256k1#661: Make ./configure string consistent
  * bitcoin-core/secp256k1#657: Fix a nit in the recovery tests
  * bitcoin-core/secp256k1#650: secp256k1/src/tests.c:  Properly handle sscanf return value
  * bitcoin-core/secp256k1#654: Fix typo (∞)
  * bitcoin-core/secp256k1#583: JNI: fix use sig array
  * bitcoin-core/secp256k1#644: Avoid optimizing out a verify_check
  * bitcoin-core/secp256k1#652: README.md: update instruction to run tests
  * bitcoin-core/secp256k1#651: Fix typo in secp256k1_preallocated.h
  * bitcoin-core/secp256k1#640: scalar_impl.h: fix includes
  * bitcoin-core/secp256k1#655: jni: Use only Guava for hex encoding and decoding
  * bitcoin-core/secp256k1#634: Add a descriptive comment for secp256k1_ecmult_const.
  * bitcoin-core/secp256k1#631: typo in comment for secp256k1_ec_pubkey_tweak_mul ()
  * bitcoin-core/secp256k1#629: Avoid calling _is_zero when _set_b32 fails.
  * bitcoin-core/secp256k1#630: Note intention of timing sidechannel freeness.
  * bitcoin-core/secp256k1#628: Fix ability to compile tests without -DVERIFY.
  * bitcoin-core/secp256k1#627: Guard memcmp in tests against mixed size inputs.
  * bitcoin-core/secp256k1#578: Avoid implementation-defined and undefined behavior when dealing with sizes
  * bitcoin-core/secp256k1#595: Allow to use external default callbacks
  * bitcoin-core/secp256k1#600: scratch space: use single allocation
  * bitcoin-core/secp256k1#592: Use trivial algorithm in ecmult_multi if scratch space is small
  * bitcoin-core/secp256k1#566: Enable context creation in preallocated memory
  * bitcoin-core/secp256k1#596: Make WINDOW_G configurable
  * bitcoin-core/secp256k1#561: Respect LDFLAGS and #undef STATIC_PRECOMPUTATION if using basic config
  * bitcoin-core/secp256k1#533: Make sure we're not using an uninitialized variable in secp256k1_wnaf_const(...)
  * bitcoin-core/secp256k1#617: Pass scalar by reference in secp256k1_wnaf_const()
  * bitcoin-core/secp256k1#619: Clear a copied secret key after negation
  * bitcoin-core/secp256k1#612: Allow field_10x26_arm.s to compile for ARMv7 architecture

ACKs for top commit:
  real-or-random:
    ACK e10439c I verified the diff (subtree matches my local tree, manual inspection of other commits) but I didn't tested the resulting code
  fanquake:
    ACK e10439c
  Sjors:
    ACK e10439c
  jonasnick:
    reACK e10439c

Tree-SHA512: eb6284a485da78e9d2ed3f771df85560d47c770ebf480a0d4121ab356ad26be101a2b973efe412f26e6c142bc1dbd2efbb5cc08774233e41918c59fe3dff3387
gades pushed a commit to cosanta/cosanta-core that referenced this pull request May 8, 2022
e10439c scripted-diff: rename privkey with seckey in secp256k1 interface (Pieter Wuille)
ca8bc42 Drop --disable-jni from libsecp256k1 configure options (Pieter Wuille)
ddc2419 Update MSVC build config for libsecp256k1 (Pieter Wuille)
67f232b Squashed 'src/secp256k1/' changes from b19c000..2ed54da (Pieter Wuille)

Pull request description:

  It's been abound a year since the subtree was updated.

  Here is a list of the included PRs:

  * bitcoin-core/secp256k1#755: Recovery signing: add to constant time test, and eliminate non ct operators
  * bitcoin-core/secp256k1#754: Fix uninit values passed into cmov
  * bitcoin-core/secp256k1#752: autoconf: Use ":" instead of "dnl" as a noop
  * bitcoin-core/secp256k1#750: Add macOS to the CI
  * bitcoin-core/secp256k1#701: Make ec_ arithmetic more consistent and add documentation
  * bitcoin-core/secp256k1#732: Retry if r is zero during signing
  * bitcoin-core/secp256k1#742: Fix typo in ecmult_const_impl.h
  * bitcoin-core/secp256k1#740: Make recovery/main_impl.h non-executable
  * bitcoin-core/secp256k1#735: build: fix OpenSSL EC detection on macOS
  * bitcoin-core/secp256k1#728: Suppress a harmless variable-time optimization by clang in memczero
  * bitcoin-core/secp256k1#722: Context isn't freed in the ECDH benchmark
  * bitcoin-core/secp256k1#700: Allow overriding default flags
  * bitcoin-core/secp256k1#708: Constant-time behaviour test using valgrind memtest.
  * bitcoin-core/secp256k1#710: Eliminate harmless non-constant time operations on secret data.
  * bitcoin-core/secp256k1#718: Clarify that a secp256k1_ecdh_hash_function must return 0 or 1
  * bitcoin-core/secp256k1#714: doc: document the length requirements of output parameter.
  * bitcoin-core/secp256k1#682: Remove Java Native Interface
  * bitcoin-core/secp256k1#713: Docstrings
  * bitcoin-core/secp256k1#704: README: add a section for test coverage
  * bitcoin-core/secp256k1#709: Remove secret-dependant non-constant time operation in ecmult_const.
  * bitcoin-core/secp256k1#703: Overhaul README.md
  * bitcoin-core/secp256k1#689: Remove "except in benchmarks" exception for fp math
  * bitcoin-core/secp256k1#679: Add SECURITY.md
  * bitcoin-core/secp256k1#685: Fix issue where travis does not show the ./tests seed…
  * bitcoin-core/secp256k1#690: Add valgrind check to travis
  * bitcoin-core/secp256k1#678: Preventing compiler optimizations in benchmarks without a memory fence
  * bitcoin-core/secp256k1#688: Fix ASM setting in travis
  * bitcoin-core/secp256k1#684: Make no-float policy explicit
  * bitcoin-core/secp256k1#677: Remove note about heap allocation in secp256k1_ecmult_odd_multiples_table_storage_var
  * bitcoin-core/secp256k1#647: Increase robustness against UB in secp256k1_scalar_cadd_bit
  * bitcoin-core/secp256k1#664: Remove mention of ec_privkey_export because it doesn't exist
  * bitcoin-core/secp256k1#337: variable sized precomputed table for signing
  * bitcoin-core/secp256k1#661: Make ./configure string consistent
  * bitcoin-core/secp256k1#657: Fix a nit in the recovery tests
  * bitcoin-core/secp256k1#650: secp256k1/src/tests.c:  Properly handle sscanf return value
  * bitcoin-core/secp256k1#654: Fix typo (∞)
  * bitcoin-core/secp256k1#583: JNI: fix use sig array
  * bitcoin-core/secp256k1#644: Avoid optimizing out a verify_check
  * bitcoin-core/secp256k1#652: README.md: update instruction to run tests
  * bitcoin-core/secp256k1#651: Fix typo in secp256k1_preallocated.h
  * bitcoin-core/secp256k1#640: scalar_impl.h: fix includes
  * bitcoin-core/secp256k1#655: jni: Use only Guava for hex encoding and decoding
  * bitcoin-core/secp256k1#634: Add a descriptive comment for secp256k1_ecmult_const.
  * bitcoin-core/secp256k1#631: typo in comment for secp256k1_ec_pubkey_tweak_mul ()
  * bitcoin-core/secp256k1#629: Avoid calling _is_zero when _set_b32 fails.
  * bitcoin-core/secp256k1#630: Note intention of timing sidechannel freeness.
  * bitcoin-core/secp256k1#628: Fix ability to compile tests without -DVERIFY.
  * bitcoin-core/secp256k1#627: Guard memcmp in tests against mixed size inputs.
  * bitcoin-core/secp256k1#578: Avoid implementation-defined and undefined behavior when dealing with sizes
  * bitcoin-core/secp256k1#595: Allow to use external default callbacks
  * bitcoin-core/secp256k1#600: scratch space: use single allocation
  * bitcoin-core/secp256k1#592: Use trivial algorithm in ecmult_multi if scratch space is small
  * bitcoin-core/secp256k1#566: Enable context creation in preallocated memory
  * bitcoin-core/secp256k1#596: Make WINDOW_G configurable
  * bitcoin-core/secp256k1#561: Respect LDFLAGS and #undef STATIC_PRECOMPUTATION if using basic config
  * bitcoin-core/secp256k1#533: Make sure we're not using an uninitialized variable in secp256k1_wnaf_const(...)
  * bitcoin-core/secp256k1#617: Pass scalar by reference in secp256k1_wnaf_const()
  * bitcoin-core/secp256k1#619: Clear a copied secret key after negation
  * bitcoin-core/secp256k1#612: Allow field_10x26_arm.s to compile for ARMv7 architecture

ACKs for top commit:
  real-or-random:
    ACK e10439c I verified the diff (subtree matches my local tree, manual inspection of other commits) but I didn't tested the resulting code
  fanquake:
    ACK e10439c
  Sjors:
    ACK e10439c
  jonasnick:
    reACK e10439c

Tree-SHA512: eb6284a485da78e9d2ed3f771df85560d47c770ebf480a0d4121ab356ad26be101a2b973efe412f26e6c142bc1dbd2efbb5cc08774233e41918c59fe3dff3387
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3 participants