Claude
3bd81097e1
The header scan (Captain Bob, 2026-11-10): 788 source files -- 351 with the
SL-1.0 header, 12 with the old name (docs/working/experiments, kept by
ruling), 31 under someone else's licence (tools/kconfig, Linux's, GPL-2.0:
kept), and 394 with none. Ruled: the SPDX form; capsules (.4th, .f18) and
proofs (.thy) left for a ruling of their own (mkcapsule's 64x16 block format,
content-addressed capsules).
253 files now begin
SPDX-License-Identifier: LicenseRef-Starship-1.0
Copyright (c) 2023-2026 Robert A. James
as a /* */ block (C, headers, assembly, linker scripts) or # lines (scripts,
Makefiles, Kconfig; below a shebang or a coding line); tools/mkcapsule.c,
which had the copyright line, gets the SPDX line only.
Not touched: docs/working/ (archive and old campaign material, as the
ruling kept the experiments); v4/system/post_cases.c (generated by
v4/tools/mkpost.py, "do not edit" -- the generator has the header).
Comments only: the kernel builds on amd64, aarch64, riscv64; make -C v4
test-32: 39 programs, 0 failures; every changed script parses.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GE3SDvQn5EoxdGufk84zz2
34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/* SPDX-License-Identifier: LicenseRef-Starship-1.0
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* Copyright (c) 2023-2026 Robert A. James
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*/
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/* sha512.h -- freestanding SHA-512 (FIPS 180-4 / RFC 6234), C99, no libc
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* beyond memcpy/memset (both available in the kernel via
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* src/starkernel/vm/host/shim.c). No __int128 used -- 64-bit words only,
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* portable to amd64/aarch64/riscv64 without libgcc helpers.
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*/
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#ifndef SHA512_H
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#define SHA512_H
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#include <stdint.h>
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#include <stddef.h>
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typedef struct {
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uint64_t state[8];
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uint64_t bitlen; /* total message length in bits, low 64 bits
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* (SHA-512 defines a 128-bit length field; a
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* single uint64_t of bit-length is enough for
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* any message this kernel will ever hash --
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* capsules and certs, not exabyte streams) */
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uint8_t buf[128];
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size_t buf_len;
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} sha512_ctx_t;
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void sha512_init(sha512_ctx_t *ctx);
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void sha512_update(sha512_ctx_t *ctx, const uint8_t *data, size_t len);
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void sha512_final(sha512_ctx_t *ctx, uint8_t out[64]);
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/* Convenience one-shot. */
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void sha512(const uint8_t *data, size_t len, uint8_t out[64]);
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#endif /* SHA512_H */
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