From e0dec8b484ea7ec67abd5aa6f803d59fe1525976 Mon Sep 17 00:00:00 2001
From: Chris Bury <git@cjbury.com>
Date: Mon, 5 Aug 2024 13:37:12 +0100
Subject: [PATCH 1/2] Implemented example for /dev/crypto parser

---
 procfs/examples/crypto.rs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 procfs/examples/crypto.rs

diff --git a/procfs/examples/crypto.rs b/procfs/examples/crypto.rs
new file mode 100644
index 0000000..7920225
--- /dev/null
+++ b/procfs/examples/crypto.rs
@@ -0,0 +1,28 @@
+use std::env::args;
+
+use procfs::crypto;
+
+pub fn main() {
+    let crypto = crypto().expect("Was not able to access current crypto");
+    let name_arg = args().nth(1);
+    for (name, entries) in crypto.crypto_blocks {
+        if let Some(ref name_find) = name_arg {
+            if !name.contains(name_find) {
+                continue;
+            }
+        }
+        println!("Type: {name}");
+        for block in entries {
+            println!("{:>14}: {}", "Name", block.name);
+            println!("{:>14}: {}", "Driver", block.driver);
+            println!("{:>14}: {}", "Module", block.module);
+            println!("{:>14}: {}", "Priority", block.priority);
+            println!("{:>14}: {}", "Ref Count", block.ref_count);
+            println!("{:>14}: {:?}", "Self Test", block.self_test);
+            println!("{:>14}: {}", "Internal", block.internal);
+            println!("{:>14}: {}", "fips enabled", block.fips_enabled);
+            println!("{:>14}: {:?}", "Type Details", block.crypto_type);
+            println!();
+        }
+    }
+}

From 53dc3a7521bf6c07ca7c342530d419e10ba53705 Mon Sep 17 00:00:00 2001
From: Chris Bury <git@cjbury.com>
Date: Mon, 5 Aug 2024 19:27:04 +0100
Subject: [PATCH 2/2] Updated readme to show what the crypto example produces.

---
 procfs/examples/README.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/procfs/examples/README.md b/procfs/examples/README.md
index 7619f3c..597f2d2 100644
--- a/procfs/examples/README.md
+++ b/procfs/examples/README.md
@@ -181,3 +181,23 @@ Lots of references to this locations: addr=0x81ba3000, pfn=531363, refs=128
 Found RAM here: 0x100000000-0x11fffffff
 Lots of references to this locations: addr=0x1b575000, pfn=111989, refs=134
 ```
+
+
+## Crypto
+
+List available crypto algorithms, along with details. Passing an algorithm as an argument will show only that algorithms
+
+implementations (this can potentially be multiple). Partial arguments (i.e "sha") will return all algorithms that match.
+
+```text
+Type: sha256
+          Name: sha256
+        Driver: sha256-avx2
+        Module: sha256_ssse3
+      Priority: 170
+     Ref Count: 2
+     Self Test: Passed
+      Internal: false
+  fips enabled: false
+  Type Details: Shash(Shash { block_size: 64, digest_size: 32 })
+```