tools/testing/crypto/chacha20-s390/test-cipher.c

Source file repositories/reference/linux-study-clean/tools/testing/crypto/chacha20-s390/test-cipher.c

File Facts

System: Linux kernel
Corpus path: tools/testing/crypto/chacha20-s390/test-cipher.c
Extension: .c
Size: 8614 bytes
Lines: 369
Domain: Support Tooling And Documentation
Bucket: tools
Inferred role: Support Tooling And Documentation: exported/initcall integration point
Status: integration implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
Allocates kernel memory; connect allocation flags and lifetime to context constraints.
Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

asm/elf.h
asm/uaccess.h
asm/smp.h
crypto/skcipher.h
crypto/akcipher.h
crypto/acompress.h
crypto/rng.h
crypto/kpp.h
crypto/internal/simd.h
crypto/chacha.h
crypto/aead.h
crypto/hash.h
linux/crypto.h
linux/debugfs.h
linux/delay.h
linux/err.h
linux/fs.h
linux/fips.h
linux/kernel.h
linux/kthread.h
linux/module.h
linux/sched.h
linux/scatterlist.h
linux/time.h
linux/vmalloc.h
linux/zlib.h
linux/once.h
linux/random.h
linux/slab.h
linux/string.h

Detected Declarations

struct skcipher_def
function test_lib_chacha
function test_skcipher_encdec
function test_skcipher
function chacha_s390_test_init
function chacha_s390_test_exit
module init chacha_s390_test_init

Annotated Snippet

module_init(chacha_s390_test_init);
module_exit(chacha_s390_test_exit);

MODULE_DESCRIPTION("s390 ChaCha20 self-test");
MODULE_AUTHOR("Vladis Dronov <vdronoff@gmail.com>");
MODULE_LICENSE("GPL v2");

Annotation

Immediate include surface: `asm/elf.h`, `asm/uaccess.h`, `asm/smp.h`, `crypto/skcipher.h`, `crypto/akcipher.h`, `crypto/acompress.h`, `crypto/rng.h`, `crypto/kpp.h`.
Detected declarations: `struct skcipher_def`, `function test_lib_chacha`, `function test_skcipher_encdec`, `function test_skcipher`, `function chacha_s390_test_init`, `function chacha_s390_test_exit`, `module init chacha_s390_test_init`.
Atlas domain: Support Tooling And Documentation / tools.
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.