Add: NASL bultin functions for certificate handling

Added functions: cert_open, cert_query, cert_close

rust/Cargo.toml

@@ -60,7 +60,7 @@ rustls-pemfile = "2.1.2"
 rustls-pemfile-old = { version = "1.0.2", package = "rustls-pemfile" }
 sequoia-ipc = "0.30.1"
 sequoia-openpgp = { version = "1.16.1", default-features = false, features = [
-  "crypto-openssl",
+    "crypto-openssl",
 ] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0.96"
@@ -78,6 +78,8 @@ tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
 urlencoding = "2.1.2"
 uuid = { version = "1", features = ["v4", "fast-rng", "serde"] }
 walkdir = "2"
+x509-certificate = "0.23.1"
+x509-parser = "0.16.0"
 
 rayon = { version = "1.8.0", optional = true }
 pcap = { version = "1.0.0", optional = true }
@@ -87,8 +89,8 @@ pnet_macros = { version = "0.33.0", optional = true }
 pnet_macros_support = { version = "0.33.0", optional = true }
 
 libssh-rs = { version = "~0.2", features = [
-  "vendored-openssl",
-  "vendored",
+    "vendored-openssl",
+    "vendored",
 ], optional = true }
 
 nasl-function-proc-macro = { path = "crates/nasl-function-proc-macro" }
@@ -111,18 +113,18 @@ dep-graph-parallel = ["rayon", "crossbeam-channel"]
 openvas_serde_support = []
 serde_support = []
 default = [
-  "dep-graph-parallel",
-  "openvas_serde_support",
-  "enforce-no-trailing-arguments",
-  "serde_support",
+    "dep-graph-parallel",
+    "openvas_serde_support",
+    "enforce-no-trailing-arguments",
+    "serde_support",
 ]
 
 nasl-builtin-raw-ip = [
-  "pcap",
-  "pnet_base",
-  "pnet",
-  "pnet_macros",
-  "pnet_macros_support",
+    "pcap",
+    "pnet_base",
+    "pnet",
+    "pnet_macros",
+    "pnet_macros_support",
 ]
 nasl-builtin-libssh = ["libssh-rs"]
 experimental = ["nasl-builtin-raw-ip", "nasl-builtin-libssh", "nasl-c-lib"]