lib/crypto/sha3.c

File Facts

System

Linux kernel

Corpus path

lib/crypto/sha3.c

Extension

.c

Size

10932 bytes

Lines

412

Domain

Kernel Services

Bucket

lib

Inferred role

Kernel Services: exported/initcall integration point

Status

integration implementation candidate

Why This File Exists

Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.

• Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• crypto/sha3.h
• crypto/utils.h
• linux/export.h
• linux/kernel.h
• linux/module.h
• linux/unaligned.h
• fips.h
• sha3.h

Detected Declarations

• function sha3_keccakf_one_round_generic
• function sha3_keccakf_generic
• function sha3_absorb_blocks_generic
• function __sha3_update
• function sha3_final
• function shake_squeeze
• function sha3_224_arch
• function sha3_256_arch
• function sha3_384_arch
• function sha3_512_arch
• function sha3_224
• function sha3_256
• function sha3_384
• function sha3_512
• function shake128
• function shake256
• function sha3_mod_init
• function sha3_mod_exit
• module init sha3_mod_init
• export __sha3_update
• export sha3_final
• export shake_squeeze
• export sha3_224
• export sha3_256
• export sha3_384
• export sha3_512
• export shake128
• export shake256

Annotated Snippet

subsys_initcall(sha3_mod_init);

static void __exit sha3_mod_exit(void)
{
}
module_exit(sha3_mod_exit);
#endif

MODULE_DESCRIPTION("SHA-3 library functions");
MODULE_LICENSE("GPL");

Annotation

• Immediate include surface: `crypto/sha3.h`, `crypto/utils.h`, `linux/export.h`, `linux/kernel.h`, `linux/module.h`, `linux/unaligned.h`, `fips.h`, `sha3.h`.
• Detected declarations: `function sha3_keccakf_one_round_generic`, `function sha3_keccakf_generic`, `function sha3_absorb_blocks_generic`, `function __sha3_update`, `function sha3_final`, `function shake_squeeze`, `function sha3_224_arch`, `function sha3_256_arch`, `function sha3_384_arch`, `function sha3_512_arch`.
• Atlas domain: Kernel Services / lib.
• Implementation status: integration implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.