Recent Issues and PRs

pull ci: Run ctime_tests in the arm64 Debian job #1978
fametrano on October 23, 2026 assurance ci

pull tests: silentpayments: add taproot key-path spend with annex vector #1977
Eunovo on October 22, 2026

pull silentpayments: add scanning function that takes the labels as an array #1976
fametrano on October 22, 2026 performance

pull ci: Run ctime_tests under Valgrind on arm64 #1975
fametrano on October 22, 2026 assurance ci side-channel

pull silentpayments: reject label tweaks that overflow the group order #1974
theStack on October 22, 2026 assurance tweak/refactor

pull doc: describe dropping unused tables from static builds #1973
fametrano on October 21, 2026 user-documentation

pull tests: silentpayments: deduplicate setup code #1972
ViniciusCestarii on October 21, 2026 tweak/refactor

pull musig: allocate scratch space for multi-exponentiation in pubkey_agg #1971
Yudis-bit on October 20, 2026

pull silentpayments: optimize sender output creation with generator table and batch inversion #1970
Yudis-bit on October 20, 2026 performance

pull ellswift: declassify PRNG outputs before branching on them #1969
fametrano on October 17, 2026 side-channel

pull ec_pubkey_combine: return early if a public key fails to load #1968
fametrano on October 15, 2026 tweak/refactor

pull hash: clear HMAC states after use #1967
fametrano on October 15, 2026 side-channel

pull Clear Schnorr accumulator and 4x64 multiplication product #1966
benma-agent on October 14, 2026 side-channel

pull remove unused SECP256K1_GE_CONST_INFINITY #1965
fanquake on October 14, 2026 tweak/refactor

pull ci: Set read-only token permissions #1964
fametrano on October 13, 2026 ci

pull doc: say the sha256 compression callback processes secrets #1963
fametrano on October 12, 2026 user-documentation side-channel tweak/refactor

issue ellswift: constant-time tests don't cover `auxrnd32` in `secp256k1_ellswift_create` #1962
fametrano on October 11, 2026 assurance side-channel tweak/refactor

pull ci: run exhaustive_tests for group orders 7 and 199 #1961
fametrano on October 11, 2026 assurance ci

pull musig: Clear secrets before ARG_CHECK failures in partial_sign #1960
fametrano on October 10, 2026 side-channel tweak/refactor

issue CI: set read-only token permissions and pin actions by SHA #1959
fametrano on October 10, 2026 ci tweak/refactor

issue Document that the sha256 compression override sees secret keys #1958
fametrano on October 10, 2026 assurance user-documentation side-channel tweak/refactor

pull test: fuzz paths that random inputs almost never reach #1957
fametrano on October 10, 2026 assurance

pull test: add libFuzzer harness #1956
fametrano on October 10, 2026 assurance

pull tests: add hash context test for `secp256k1_tagged_sha256` #1955
theStack on October 6, 2026 assurance tweak/refactor

pull scalar: Eliminate c2 and use 128-bit accumulator in 4x64 reduce_512 #1954
Yudis-bit on October 3, 2026 performance

pull ci: bump macOS ARM64 runner to macos-15 #1953
theStack on October 2, 2026

pull util: make STATIC_ASSERT usable at file scope #1952
real-or-random on October 1, 2026 tweak/refactor meta/development

pull scalar: Make 4x64 C code competitive with x86_64 asm, disable asm by default #1951
real-or-random on October 1, 2026 build performance tweak/refactor

pull tests: silentpayments: check found outputs are distinct in vector tests #1950
ViniciusCestarii on September 30, 2026 assurance tweak/refactor

pull ecdsa: Clarify derivation of the r check in `_sig_verify` #1949
real-or-random on September 29, 2026 tweak/refactor meta/development

pull tests: add ECDSA verify case where r + n overflows p #1948
ViniciusCestarii on September 29, 2026 assurance tweak/refactor

pull musig: test nonce_gen_counter with random counters #1947
ViniciusCestarii on September 28, 2026 assurance tweak/refactor

pull doc: clean up lingering ECMULT_WINDOW_SIZE comment #1946
Yudis-bit on September 27, 2026 tweak/refactor meta/development

pull build: disable x86_64 assembly by default on Clang #1945
Yudis-bit on September 27, 2026 build performance tweak/refactor

pull build: run constant-time tests in both test suites #1944
Yudis-bit on September 27, 2026

pull tests: silentpayments: cover labeled output beyond the first label batch #1943
ViniciusCestarii on September 26, 2026 assurance tweak/refactor

pull unit_test: fix help text claiming unknown args are ignored #1942
Anshikakalpana on September 24, 2026 tweak/refactor tools/benchmarks

pull tests: add thread_tests for concurrent context use, run under Helgrind in CI #1941
erickcestari on September 24, 2026 assurance feature

pull silentpayments: add hash ctx (SHA256 compression override) test #1940
theStack on September 21, 2026 assurance tweak/refactor

issue unit_test : help text says unknown args are "ignored" but they cause EXIT_FAILURE #1939
Anshikakalpana on September 21, 2026

pull refactor: Move common nonce helpers from musig to shared module #1938
fjahr on September 15, 2026 tweak/refactor

pull tests: silentpayments: cover rejection of invalid keypair alongside a valid one #1937
Yudis-bit on September 11, 2026 assurance tweak/refactor

pull group: enforce fixed coordinate contracts #1936
koko1123 on September 11, 2026

pull tests: generate scalars_near_split_bounds instead of hardcoding #1935
Anshikakalpana on September 9, 2026 bug assurance

pull Clear secret-dependent variables in `_ecmult_const_xonly` #1934
theStack on September 9, 2026 side-channel tweak/refactor

pull refactor: introduce `ecmult_const_ge` helper (preventing accidential gej leaks) #1933
theStack on September 8, 2026 side-channel tweak/refactor

pull silentpayments: drop "empty key arrays must be NULL" requirement #1932
theStack on September 7, 2026 bug

pull tests: cover rejection of invalid plain seckey alongside a valid one #1931
brunoerg on September 7, 2026 assurance tweak/refactor

issue silentpayments: NULL requirement for empty key arrays (inconsistency between API docs and ARG_CHECKs) #1930
theStack on September 7, 2026 bug

pull silentpayments: perform tweak addition with actual scalars #1929
theStack on September 4, 2026 tweak/refactor

pull tests: add coverage for exact-size DER signature serialization #1928
brunoerg on September 3, 2026 assurance tweak/refactor

pull Add license notice to API headers #1927
theStack on September 1, 2026

issue silentpayments: extending the sending API for verification of created outputs (using DLEQ proofs, BIP-374) #1925
theStack on August 27, 2026

pull tests: add coverage for the DER long form length encoding #1924
brunoerg on August 26, 2026 assurance tweak/refactor

pull group: VERIFY input/output ge/gej/fe exhaustively #1923
real-or-random on August 25, 2026 assurance tweak/refactor

pull field: Check that argument of _fe_set_int() is a constant #1922
real-or-random on August 24, 2026 assurance tweak/refactor

pull tests: correct scalar split bound vectors #1921
l0rinc on August 24, 2026 invalid

issue scalars_near_split_bounds in tests.c don't match their documented construction #1920
antvpk on August 22, 2026 bug assurance

pull ecdh/ellswift/schnorrsig: return early for invalid inputs (consistent handling w.r.t. constant-time) #1919
theStack on August 20, 2026 side-channel tweak/refactor

pull refactor: split `ge_parse` into explicit variants (compressed, uncompressed, uncompressed+hybrid) #1918
theStack on August 19, 2026 tweak/refactor

pull Allow overriding malloc and free at compile time #1917
fjahr on August 17, 2026 feature build

pull ecdh/ellswift: simplify seckey loading with `_scalar_set_b32_seckey` #1916
theStack on August 17, 2026 tweak/refactor

pull refactor: Move (de)ser helpers from musig and eckey to group #1915
fjahr on August 15, 2026 tweak/refactor

pull silentpayments: tweak spend pubkey using ecmult_gen_var (~25% scanning speedup for small N) #1914
theStack on August 14, 2026 side-channel performance

pull context: prevent clones from copying allocator residue #1913
l0rinc on August 12, 2026 assurance tweak/refactor

pull silentpayments: add light client API #1912
theStack on August 12, 2026 feature needs-changelog

pull refactor: rename `ctx` param to `ecmult_gen_ctx` where applicable #1911
theStack on August 7, 2026 tweak/refactor

pull scratch: reject sizes that overflow when added to header #1910
theStack on August 5, 2026 assurance tweak/refactor

pull musig: fix pseudocode in `_musig_pubkey_ec_tweak_add` API docs #1909
theStack on August 5, 2026 user-documentation

pull refactor: replace `_get_hash_context` with direct `->hash_ctx` access #1908
theStack on August 4, 2026 tweak/refactor

pull release cleanup: bump version after 0.8.0 #1907
theStack on August 3, 2026 release

pull release: prepare for 0.8.0 #1906
theStack on August 3, 2026 release

pull sha256: smoke-test caller-supplied compression function #1905
real-or-random on August 3, 2026 assurance tweak/refactor

pull sha256: cross-check caller supplied compression function #1904
furszy on July 31, 2026 assurance tweak/refactor

pull changelog: add entry for #1821 #1903
theStack on July 31, 2026 user-documentation

pull changelog: add entry for #1859 #1902
theStack on July 30, 2026 user-documentation

pull changelog: Add entry for #1869 #1901
real-or-random on July 29, 2026 user-documentation

pull Use SHA256 override for pointers to known aux functions #1900
real-or-random on July 29, 2026 bug user-documentation tweak/refactor

pull changelog: add missing entries for #1777 and #1860 #1899
theStack on July 28, 2026 user-documentation tweak/refactor

pull tests: cover Silent Payments label scanning #1898
l0rinc on July 27, 2026 assurance tweak/refactor

pull tests: check results before using outputs #1897
l0rinc on July 26, 2026 assurance tweak/refactor

pull silentpayments: address #1765 follow-ups, add changelog entry #1896
theStack on July 23, 2026 user-documentation tweak/refactor

pull tests: Cover all rejection paths of ec_privkey_import_der() #1895
cavdarahmet on July 22, 2026 assurance

pull extrakeys: check invariant that x-only pubkeys have even Y #1894
theStack on July 20, 2026 assurance tweak/refactor

pull test: cover schnorrsig_sign_custom in constant-time tests #1893
Yudis-bit on July 17, 2026 assurance side-channel tweak/refactor

issue Check invariant that xonly keys have even y #1892
real-or-random on July 16, 2026 assurance tweak/refactor

pull nonce: terminate RFC6979 loop at UINT_MAX #1890
l0rinc on July 14, 2026 assurance tweak/refactor

pull field: serialize elements by word #1889
l0rinc on July 13, 2026 tweak/refactor

issue Sharing an Open-Source Tool for Key Scanning #1888
ethicbrudhack on July 12, 2026

pull Make theStack a maintainer and a security contact #1887
real-or-random on July 9, 2026 meta/development

pull Remove deprecated `secp256k1_context_no_precomp` pointer #1886
theStack on July 5, 2026 tweak/refactor

pull Clear scalar variables computed from scalar in `secp256k1_ecmult_const` #1885
niooss-ledger on June 29, 2026 side-channel tweak/refactor

pull SECURITY.md: remove Jonas Nick from trusted keys #1884
jonasnick on June 29, 2026 meta/development

pull ecmult_gen: add variable-time generator point multiplication (no API behaviour changes yet) #1883
theStack on June 28, 2026 performance

pull scalar: correct `_scalar_get_bits_{limb32,var}` input condition docs #1882
theStack on June 26, 2026 bug meta/development

pull tests: Fix GCC 17 snapshot warning #1881
real-or-random on June 25, 2026 bug assurance

pull test: avoid scratch free warning #1880
l0rinc on June 24, 2026

pull ci: add 'brew trust' invocation to macOS CI #1879
fanquake on June 24, 2026 bug ci

pull field: correct `_fe_half` docs (output is not normalized, input requires magnitude <= 31) #1878
theStack on June 22, 2026 bug meta/development

pull field: correct `fe_equal` magnitude bound for `b` #1877
l0rinc on June 21, 2026 bug assurance

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