test: Add CRC and MD5 HIL tests (#1417)

hil-test/Cargo.toml

@@ -8,6 +8,10 @@ publish = false
 name    = "aes"
 harness = false
 
+[[test]]
+name    = "crc"
+harness = false
+
 [[test]]
 name    = "gpio"
 harness = false

hil-test/tests/crc.rs

@@ -0,0 +1,68 @@
+//! CRC and MD5 Tests
+
+//% CHIPS: esp32 esp32c2 esp32c3 esp32c6 esp32h2 esp32s2 esp32s3
+
+#![no_std]
+#![no_main]
+
+use core::ops::Deref;
+
+use defmt_rtt as _;
+use esp_backtrace as _;
+use esp_hal::rom::{crc, md5};
+
+#[embedded_test::tests]
+mod tests {
+    use defmt::assert_eq;
+
+    use super::*;
+
+    #[init]
+    fn init() {}
+
+    #[test]
+    fn test_crc() {
+        let data = "123456789";
+
+        let crc_hdlc = crc::crc32_le(!0xffffffff, data.as_ref());
+        let crc_bzip2 = crc::crc32_be(!0xffffffff, data.as_ref());
+        let crc_mpeg2 = !crc::crc32_be(!0xffffffff, data.as_ref());
+        let crc_cksum = crc::crc32_be(!0, data.as_ref());
+        let crc_kermit = !crc::crc16_le(!0, data.as_ref());
+        let crc_genibus = crc::crc16_be(!0xffff, data.as_ref());
+        let crc_rohc = !crc::crc8_le(!0xff, data.as_ref());
+        let crc_smbus = !crc::crc8_be(!0, data.as_ref());
+
+        assert_eq!(crc_hdlc, 0xcbf43926);
+        assert_eq!(crc_bzip2, 0xfc891918);
+        assert_eq!(crc_mpeg2, 0x0376e6e7);
+        assert_eq!(crc_cksum, 0x765e7680);
+        assert_eq!(crc_kermit, 0x2189);
+        assert_eq!(crc_genibus, 0xd64e);
+        assert_eq!(crc_rohc, 0xd0);
+        assert_eq!(crc_smbus, 0xf4);
+    }
+
+    #[test]
+    fn test_md5() {
+        let sentence = "The quick brown fox jumps over a lazy dog";
+
+        let mut md5_ctx = md5::Context::new();
+        let mut it = sentence.split_whitespace().peekable();
+        while let Some(word) = it.next() {
+            md5_ctx.consume(word);
+            if it.peek().is_some() {
+                md5_ctx.consume(" ");
+            }
+        }
+        let md5_digest = md5_ctx.compute();
+
+        let expected_md5_digest = md5::Digest([
+            0x30, 0xde, 0xd8, 0x07, 0xd6, 0x5e, 0xe0, 0x37, 0x0f, 0xc6, 0xd7, 0x3d, 0x6a, 0xb5,
+            0x5a, 0x95,
+        ])
+        .deref();
+
+        assert_eq!(expected_md5_digest, md5_digest.deref());
+    }
+}