diff --git a/Cargo.lock b/Cargo.lock
index b3db67c..0ce1fec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -49,13 +49,24 @@ checksum = "dcfed56ad506cb2c684a14971b8861fdc3baaaae314b9e5f9bb532cbe3ba7a4f"
 
 [[package]]
 name = "async-trait"
-version = "0.1.87"
+version = "0.1.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d556ec1359574147ec0c4fc5eb525f3f23263a592b1a9c07e0a75b427de55c97"
+checksum = "e539d3fca749fcee5236ab05e93a52867dd549cc157c8cb7f99595f3cedffdb5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi",
 ]
 
 [[package]]
@@ -147,7 +158,7 @@ dependencies = [
  "regex",
  "rustc-hash",
  "shlex",
- "syn",
+ "syn 2.0.100",
  "which",
 ]
 
@@ -186,9 +197,9 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "cc"
-version = "1.2.16"
+version = "1.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be714c154be609ec7f5dad223a33bf1482fff90472de28f7362806e6d4832b8c"
+checksum = "1fcb57c740ae1daf453ae85f16e37396f672b039e00d9d866e07ddb24e328e3a"
 dependencies = [
  "shlex",
 ]
@@ -233,6 +244,45 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "clap"
+version = "3.2.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
+dependencies = [
+ "atty",
+ "bitflags 1.3.2",
+ "clap_derive",
+ "clap_lex",
+ "indexmap 1.9.3",
+ "once_cell",
+ "strsim",
+ "termcolor",
+ "textwrap",
+]
+
+[[package]]
+name = "clap_derive"
+version = "3.2.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae6371b8bdc8b7d3959e9cf7b22d4435ef3e79e138688421ec654acf8c81b008"
+dependencies = [
+ "heck",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
+dependencies = [
+ "os_str_bytes",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -271,7 +321,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
 dependencies = [
  "quote",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -292,7 +342,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -306,6 +356,7 @@ name = "enclave"
 version = "0.1.0"
 dependencies = [
  "automata-sgx-sdk",
+ "clap",
  "ethabi",
  "hex",
  "rustls",
@@ -331,7 +382,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -409,12 +460,33 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
 
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
 [[package]]
 name = "hashbrown"
 version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -427,19 +499,20 @@ version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "iana-time-zone"
-version = "0.1.61"
+version = "0.1.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "235e081f3925a06703c2d0117ea8b91f042756fd6e7a6e5d901e8ca1a996b220"
+checksum = "b2fd658b06e56721792c5df4475705b6cda790e9298d19d2f8af083457bcd127"
 dependencies = [
  "android_system_properties",
  "core-foundation-sys",
  "iana-time-zone-haiku",
  "js-sys",
+ "log",
  "wasm-bindgen",
  "windows-core",
 ]
@@ -568,7 +641,7 @@ checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -594,12 +667,22 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.7.1"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c9c992b02b5b4c94ea26e32fe5bccb7aa7d9f390ab5c1221ff895bc7ea8b652"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3954d50fe15b02142bf25d3b8bdadb634ec3948f103d04ffe3031bc8fe9d7058"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.15.2",
 ]
 
 [[package]]
@@ -641,9 +724,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.170"
+version = "0.2.171"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "875b3680cb2f8f71bdcf9a30f38d48282f5d3c95cbf9b3fa57269bb5d5c06828"
+checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
 
 [[package]]
 name = "libloading"
@@ -669,9 +752,9 @@ checksum = "4ee93343901ab17bd981295f2cf0026d4ad018c7c31ba84549a4ddbb47a45104"
 
 [[package]]
 name = "log"
-version = "0.4.26"
+version = "0.4.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30bde2b3dc3671ae49d8e2e9f044c7c005836e7a023ee57cffa25ab82764bb9e"
+checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
 
 [[package]]
 name = "matchers"
@@ -743,9 +826,15 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.20.3"
+version = "1.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d75b0bedcc4fe52caa0e03d9f1151a323e4aa5e2d78ba3580400cd3c9e2bc4bc"
+
+[[package]]
+name = "os_str_bytes"
+version = "6.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
+checksum = "e2355d85b9a3786f481747ced0e0ff2ba35213a1f9bd406ed906554d7af805a1"
 
 [[package]]
 name = "overload"
@@ -773,12 +862,12 @@ checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
 
 [[package]]
 name = "prettyplease"
-version = "0.2.30"
+version = "0.2.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1ccf34da56fc294e7d4ccf69a85992b7dfb826b7cf57bac6a70bba3494cc08a"
+checksum = "5316f57387668042f561aae71480de936257848f9c43ce528e311d89a07cadeb"
 dependencies = [
  "proc-macro2",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -791,6 +880,30 @@ dependencies = [
  "uint",
 ]
 
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.94"
@@ -802,9 +915,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.39"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1f1914ce909e1658d9907913b4b91947430c7d9be598b15a1912935b8c04801"
+checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
 dependencies = [
  "proc-macro2",
 ]
@@ -879,7 +992,7 @@ dependencies = [
  "libc",
  "spin",
  "untrusted",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -910,7 +1023,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -993,7 +1106,7 @@ checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -1210,6 +1323,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "subtle"
 version = "2.6.1"
@@ -1218,9 +1337,20 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "2.0.99"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e02e925281e18ffd9d640e234264753c43edc62d64b2d4cf898f1bc5e75f3fc2"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1235,9 +1365,24 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
+]
+
+[[package]]
+name = "termcolor"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
+dependencies = [
+ "winapi-util",
 ]
 
+[[package]]
+name = "textwrap"
+version = "0.16.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c13547615a44dc9c452a8a534638acdf07120d4b6847c8178705da06306a3057"
+
 [[package]]
 name = "thiserror"
 version = "2.0.12"
@@ -1255,7 +1400,7 @@ checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -1289,9 +1434,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.43.0"
+version = "1.44.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d61fa4ffa3de412bfea335c6ecff681de2b609ba3c77ef3e00e521813a9ed9e"
+checksum = "f382da615b842244d4b8738c82ed1275e6c5dd90c459a30941cd07080b06c91a"
 dependencies = [
  "backtrace",
  "pin-project-lite",
@@ -1306,7 +1451,7 @@ checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -1336,7 +1481,7 @@ version = "0.22.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17b4795ff5edd201c7cd6dca065ae59972ce77d1b80fa0a84d94950ece7d1474"
 dependencies = [
- "indexmap",
+ "indexmap 2.8.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
@@ -1362,7 +1507,7 @@ checksum = "395ae124c09f9e6918a2310af6038fba074bcf474ac352496d5910dd59a2226d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -1504,7 +1649,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
  "wasm-bindgen-shared",
 ]
 
@@ -1526,7 +1671,7 @@ checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -1577,6 +1722,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
+dependencies = [
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -1594,9 +1748,9 @@ dependencies = [
 
 [[package]]
 name = "windows-link"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6dccfd733ce2b1753b03b6d3c65edf020262ea35e20ccdf3e288043e6dd620e3"
+checksum = "76840935b766e1b0a05c0066835fb9ec80071d4c09a16f6bd5f7e655e3c14c38"
 
 [[package]]
 name = "windows-sys"
@@ -1607,6 +1761,15 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.52.6"
@@ -1673,9 +1836,9 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "winnow"
-version = "0.7.3"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e7f4ea97f6f78012141bcdb6a216b2609f0979ada50b20ca5b52dde2eac2bb1"
+checksum = "0e97b544156e9bebe1a0ffbc03484fc1ffe3100cbce3ffb17eac35f7cdd7ab36"
 dependencies = [
  "memchr",
 ]
@@ -1712,7 +1875,7 @@ checksum = "2380878cad4ac9aac1e2435f3eb4020e8374b5f13c296cb75b4620ff8e229154"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
  "synstructure",
 ]
 
@@ -1733,7 +1896,7 @@ checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
  "synstructure",
 ]
 
@@ -1762,7 +1925,7 @@ checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.100",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index a302f2d..158deb1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,6 +23,7 @@ rustls = "0.22.4"
 webpki-roots = "0.26.6"
 reqwest = "0.12.9"
 thiserror = "2.0.12"
+clap = "3.2"
 
 untrusted-host = { path = "crates/untrusted-host" }
 
diff --git a/bin/zktls-pairs/sgx/enclave.edl b/bin/zktls-pairs/sgx/enclave.edl
index 15d88d9..bc4091a 100644
--- a/bin/zktls-pairs/sgx/enclave.edl
+++ b/bin/zktls-pairs/sgx/enclave.edl
@@ -31,6 +31,7 @@ enclave {
         );
 
         void ocall_read_from_file(
+            [in, string] const char* filename_bytes,
             [out, size=pairs_list_buffer_len] char* pairs_list_buffer,
             size_t pairs_list_buffer_len,
             [out] size_t* pairs_list_actual_len
diff --git a/bin/zktls-pairs/src/main.rs b/bin/zktls-pairs/src/main.rs
index 030a2b0..1f4c3b9 100644
--- a/bin/zktls-pairs/src/main.rs
+++ b/bin/zktls-pairs/src/main.rs
@@ -13,8 +13,10 @@ fn main() -> anyhow::Result<()> {
     let result = Enclave::new()
         .trusted_execution()
         .map_err(|e| anyhow::anyhow!("{:?}", e))?;
+
     if !result.is_success() {
         println!("{:?}", result);
     }
+
     Ok(())
 }
diff --git a/crates/enclave/Cargo.toml b/crates/enclave/Cargo.toml
index be7b27a..3bb5b7f 100644
--- a/crates/enclave/Cargo.toml
+++ b/crates/enclave/Cargo.toml
@@ -25,3 +25,4 @@ tracing-subscriber = { workspace = true, features = ["env-filter"]}
 
 serde = { workspace = true, features = ["derive"]}
 tiny-keccak = { workspace = true, features = ["sha3", "keccak"]}
+clap = { workspace = true, features = ["derive"] }
diff --git a/crates/enclave/src/lib.rs b/crates/enclave/src/lib.rs
index 01e8260..7c2ac91 100644
--- a/crates/enclave/src/lib.rs
+++ b/crates/enclave/src/lib.rs
@@ -5,9 +5,10 @@ mod parser;
 mod tcp_stream_oc;
 mod tls;
 
-use std::{fmt::Debug, string::String};
+use std::{ffi::CString, fmt::Debug, string::String};
 
 use automata_sgx_sdk::types::SgxStatus;
+use clap::Parser;
 use ethabi::{Token, Uint};
 use serde_json::json;
 use tiny_keccak::{Hasher, Keccak};
@@ -32,6 +33,7 @@ extern "C" {
     );
 
     fn ocall_read_from_file(
+        filename_bytes: *const u8,
         pairs_list_buffer: *mut u8,
         pairs_list_buffer_len: usize,
         pairs_list_actual_len: *mut usize,
@@ -41,6 +43,14 @@ extern "C" {
 pub(crate) const BINANCE_API_HOST: &str = "data-api.binance.vision";
 pub(crate) const HARDCODED_DECIMALS: u32 = 8;
 
+#[derive(Parser)]
+#[clap(author = "Diffuse labs", version = "v0", about)]
+struct ZkTlsPairs {
+    /// Path to the file with pairs
+    #[clap(long, default_value = "pairs/list.txt")]
+    pairs_file_path: String,
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn trusted_execution() -> SgxStatus {
     let env_filter = tracing_subscriber::EnvFilter::try_from_default_env()
@@ -51,11 +61,16 @@ pub unsafe extern "C" fn trusted_execution() -> SgxStatus {
     tracing::debug!("=============== Trusted execution =================");
     tracing::info!("Form a request inside the TEE");
 
+    let cli = ZkTlsPairs::parse();
+    let cstr = CString::new(cli.pairs_file_path).expect("CString::new failed");
+    let path_bytes = cstr.as_ptr() as *const u8;
+
     // data can be passed betwen enclave and outer world only with byte arrays
     let mut pairs_list_buffer: [u8; 8192] = [0; 8192];
     let mut pairs_list_actual_len: usize = 0;
 
     ocall_read_from_file(
+        path_bytes,
         pairs_list_buffer.as_mut_ptr(),
         pairs_list_buffer.len(),
         &mut pairs_list_actual_len as *mut usize,
diff --git a/crates/untrusted-host/src/lib.rs b/crates/untrusted-host/src/lib.rs
index 3d47910..e62fb8d 100644
--- a/crates/untrusted-host/src/lib.rs
+++ b/crates/untrusted-host/src/lib.rs
@@ -123,22 +123,34 @@ pub unsafe fn ocall_write_to_file(
 
 #[no_mangle]
 pub unsafe fn ocall_read_from_file(
+    filename_bytes: *const u8,
     pairs_list_buffer: *mut u8,
     pairs_list_buffer_len: usize,
     pairs_list_actual_len: *mut usize,
 ) {
     tracing::debug!("=============== Untrusted read_from_file =================");
 
-    let pairs_list_path = "pairs/list.txt";
+    assert!(!filename_bytes.is_null(), "Data pointer is null");
 
-    let pairs_list = fs::read(pairs_list_path).expect("Unable to read file");
+    let cstr = CStr::from_ptr(filename_bytes as *const c_char);
+    let filename = match cstr.to_str() {
+        Ok(s) => s,
+        Err(_) => {
+            tracing::error!("Failed to read filename from buffer");
+            return;
+        }
+    };
+
+    tracing::info!("Reading from file: {}", filename);
+    let pairs_list = fs::read(filename).expect("Unable to read file");
 
     assert!(
         pairs_list.len() <= pairs_list_buffer_len,
         "pairs list does not fit into pairs_list_buffer!"
     );
+
     ptr::copy_nonoverlapping(pairs_list.as_ptr(), pairs_list_buffer, pairs_list.len());
-    *pairs_list_actual_len = pairs_list.len();
+    ptr::write_unaligned(pairs_list_actual_len, pairs_list.len());
 
     tracing::debug!("=============== End of untrusted read_from_file =================");
 }