V0.9.14

Cargo.toml

@@ -18,7 +18,7 @@ resolver = "3"
 rust-version = "1.93"
 readme = "README.md"
 authors = ["HAI.AI <engineering@hai.io>"]
-license = "Apache-2.0 OR MIT"
+license = "Apache-2.0"
 homepage = "https://humanassisted.github.io/JACS"
 repository = "https://github.com/HumanAssisted/JACS"
 keywords = ["cryptography", "json", "ai", "data", "ml-ops"]

LICENSE

@@ -1,5 +1,5 @@
-This project is dual-licensed under Apache-2.0 OR MIT, at your option.
+This project is licensed under Apache-2.0.
 
-See LICENSE-APACHE and LICENSE-MIT for details.
+See LICENSE-APACHE for details.
 
 Copyright 2024, 2025, 2026 Human Assisted Intelligence, PBC

LINES_OF_CODE.md

@@ -1,13 +1,13 @@
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  Language              Files        Lines         Code     Comments       Blanks
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
- Go                       13         5859         4344          708          807
- Python                  188        46396        36376         2037         7983
+ Go                       16         6521         4827          813          881
+ Python                  191        46952        36823         2064         8065
  TypeScript               30         9105         6380         2000          725
 ─────────────────────────────────────────────────────────────────────────────────
- Rust                    258       106330        87477         6054        12799
- |- Markdown             213         9703          491         7231         1981
- (Total)                           116033        87968        13285        14780
+ Rust                    262       107208        88246         6071        12891
+ |- Markdown             217         9784          491         7296         1997
+ (Total)                           116992        88737        13367        14888
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
- Total                   489       177393       135068        18030        24295
+ Total                   499       179570       136767        18244        24559
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

README.md

@@ -136,4 +136,4 @@ Report vulnerabilities to security@hai.ai. Do not open public issues for securit
 
 ---
 
-v0.9.7 | [Apache-2.0 OR MIT](./LICENSE-APACHE) | [Third-Party Notices](./THIRD-PARTY-NOTICES)
+v0.9.7 | [Apache-2.0](./LICENSE-APACHE) | [Third-Party Notices](./THIRD-PARTY-NOTICES)

THIRD-PARTY-NOTICES

@@ -2,7 +2,7 @@ THIRD-PARTY SOFTWARE NOTICES AND INFORMATION
 
 JACS incorporates third-party software components. The following notices
 are provided for informational purposes. JACS is licensed under
-Apache-2.0 OR MIT (see LICENSE-APACHE and LICENSE-MIT).
+Apache-2.0 (see LICENSE-APACHE).
 
 ===============================================================================
 
@@ -679,28 +679,28 @@ THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD TO
 -------------------------------------------------------------------------------
 --- MIT ---
 
-The MIT License (MIT)
-
-Copyright (c) 2016 Johann Tuffe
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+The MIT License (MIT)
+
+Copyright (c) 2016 Johann Tuffe
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
 -------------------------------------------------------------------------------

binding-core/Cargo.toml

@@ -7,7 +7,7 @@ resolver = "3"
 description = "Shared core logic for JACS language bindings (Python, Node.js, etc.)"
 readme = "../README.md"
 authors = ["JACS Contributors"]
-license = "Apache-2.0 OR MIT"
+license = "Apache-2.0"
 repository = "https://github.com/HumanAssisted/JACS"
 homepage = "https://humanassisted.github.io/JACS"
 

deny.toml

@@ -32,17 +32,17 @@ allow = [
 # Workspace crates without explicit license field use the workspace license
 [[licenses.clarify]]
 name = "jacsnpm"
-expression = "Apache-2.0 OR MIT"
+expression = "Apache-2.0"
 license-files = []
 
 [[licenses.clarify]]
 name = "jacspy"
-expression = "Apache-2.0 OR MIT"
+expression = "Apache-2.0"
 license-files = []
 
 [[licenses.clarify]]
 name = "jacsgo"
-expression = "Apache-2.0 OR MIT"
+expression = "Apache-2.0"
 license-files = []
 
 # ring contains legacy OpenSSL-licensed code alongside ISC/Apache-2.0

jacs-cli/Cargo.toml

@@ -6,7 +6,7 @@ rust-version = "1.93"
 description = "JACS CLI: command-line interface for JSON AI Communication Standard"
 readme = "README.md"
 authors = ["HAI.AI <engineering@hai.io>"]
-license = "Apache-2.0 OR MIT"
+license = "Apache-2.0"
 homepage = "https://humanassisted.github.io/JACS"
 repository = "https://github.com/HumanAssisted/JACS"
 keywords = ["cryptography", "json", "ai", "data", "ml-ops"]

jacs-mcp/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2024"
 rust-version = "1.93"
 description = "MCP server for JACS: data provenance and cryptographic signing of agent state"
 readme = "README.md"
-license = "Apache-2.0 OR MIT"
+license = "Apache-2.0"
 homepage = "https://humanassisted.github.io/JACS"
 repository = "https://github.com/HumanAssisted/JACS"
 authors = ["JACS Contributors"]

jacs/Cargo.toml

@@ -29,7 +29,6 @@ include = [
     "README.md",
     "LICENSE",
     "LICENSE-APACHE",
-    "LICENSE-MIT",
     "build.rs",
     "CHANGELOG.md",
     "basic-schemas.png",
@@ -44,7 +43,7 @@ include = [
 description = "JACS JSON AI Communication Standard"
 readme = "README.md"
 authors = ["HAI.AI <engineering@hai.io>"]
-license = "Apache-2.0 OR MIT"
+license = "Apache-2.0"
 homepage = "https://humanassisted.github.io/JACS"
 repository = "https://github.com/HumanAssisted/JACS"
 keywords = ["cryptography", "json", "ai", "data", "ml-ops"]
@@ -143,7 +142,7 @@ walkdir = "2.5.0"
 object_store = { version ="0.12.0", features = ["serde","serde_json", "aws", "http"] }
 # Post-quantum 2025 standards (ML-DSA and ML-KEM)
 fips203 = "0.4.3"
-fips204 = "0.4.3"
+fips204 = "0.4.6"
 # SQLite storage via sqlx (optional). PostgreSQL has been extracted to jacs-postgresql.
 sqlx = { version = "0.8.6", default-features = false, features = ["runtime-tokio-rustls"], optional = true }
 # rusqlite (sync SQLite bindings, optional -- lightweight alternative to sqlx SQLite)

jacs/docs/nist_caisi_rfi_response.html

@@ -711,7 +711,7 @@ <h2 id="references">7. References</h2>
 team and is based on practical experience developing and deploying
 cryptographic security controls for AI agent systems. All capabilities
 described are implemented and tested in the JACS codebase (v0.9.2,
-Apache 2.0 OR MIT license, 1,200+ tests across 5 language
+Apache 2.0 license, 1,200+ tests across 5 language
 targets).</em></p>
 </body>
 </html>

jacs/docs/nist_caisi_rfi_response.md

@@ -374,4 +374,4 @@ As agent-to-agent communication protocols mature (Google A2A, Anthropic MCP), se
 
 ---
 
-*This response represents the views of the HAI.AI / JACS project team and is based on practical experience developing and deploying cryptographic security controls for AI agent systems. All capabilities described are implemented and tested in the JACS codebase (v0.9.2, Apache 2.0 OR MIT license, 1,200+ tests across 5 language targets).*
+*This response represents the views of the HAI.AI / JACS project team and is based on practical experience developing and deploying cryptographic security controls for AI agent systems. All capabilities described are implemented and tested in the JACS codebase (v0.9.2, Apache 2.0 license, 1,200+ tests across 5 language targets).*

jacs/src/agent/agreement.rs

@@ -20,6 +20,12 @@ use serde_json::json;
 use std::collections::HashSet;
 use tracing::{debug, info, warn};
 
+// WARNING: This module uses `.expect()` in multiple signing/verification
+// paths (12+ call sites). These will panic on malformed input.
+// Acceptable because agreements are NOT in the launch path (2026-04-06).
+// TODO: Convert all `.expect()` calls to `?` error propagation before
+// enabling agreements in production. See docs/0403INCONCISTANCIES.md item B5.
+
 /// Options for creating and checking agreements.
 ///
 /// All fields are optional. When omitted, the existing behavior is preserved:

jacs/src/crypt/pq2025.rs

@@ -45,6 +45,10 @@ pub fn sign_string(secret_key: Vec<u8>, data: &String) -> Result<String, JacsErr
             e
         ))
     })?;
+    // TODO(post-quantum-hardening): We currently sign with the empty ML-DSA
+    // context for compatibility. A future hardening pass could switch this to a
+    // fixed JACS domain-separation context (for example `b"jacs:document:v1"`)
+    // and record that context in signature metadata so verification can use it.
     let sig = sk
         .try_sign(data.as_bytes(), b"")
         .map_err(|e| JacsError::CryptoError(format!("ML-DSA-87 signing failed: {}", e)))?; // empty context - returns [u8; 4627]
@@ -93,6 +97,10 @@ pub fn verify_string(
             )
         })?;
 
+    // TODO(post-quantum-hardening): If JACS introduces a non-empty ML-DSA
+    // context, verification should read the stored context from signature
+    // metadata and fall back to `b""` for legacy documents signed before the
+    // migration.
     // verify() returns bool, not Result
     if pk.verify(data.as_bytes(), &sig_array, b"") {
         debug!("ML-DSA-87 signature verification succeeded");

jacs/src/dns/bootstrap.rs

@@ -184,6 +184,25 @@ pub fn emit_cloudflare_curl(rr: &DnsRecord, zone_id_hint: &str) -> String {
     )
 }
 
+/// Find the first JACS-formatted TXT record from a list of individual TXT record strings.
+///
+/// DNS lookups may return multiple TXT records (SPF, DKIM, DMARC, etc.) at the same
+/// domain name. This function filters for the record starting with `v=jacs` and ignores
+/// all others, preventing non-JACS records from corrupting the parsed result.
+///
+/// Returns `Err(JacsError::DnsRecordInvalid)` if no JACS record is found.
+pub fn find_jacs_txt_record(records: Vec<String>, domain: &str) -> Result<String, JacsError> {
+    for record in records {
+        if record.starts_with("v=jacs") {
+            return Ok(record);
+        }
+    }
+    Err(JacsError::DnsRecordInvalid {
+        domain: domain.to_string(),
+        reason: "No v=jacs TXT record found at this domain".to_string(),
+    })
+}
+
 #[cfg(not(target_arch = "wasm32"))]
 pub fn resolve_txt_dnssec(owner: &str) -> Result<String, JacsError> {
     use hickory_resolver::Resolver;
@@ -202,18 +221,20 @@ pub fn resolve_txt_dnssec(owner: &str) -> Result<String, JacsError> {
             domain: owner.to_string(),
             reason: format!("DNS lookup failed: {e}"),
         })?;
-    let mut s = String::new();
+    let mut records = Vec::new();
     for rr in resp.iter() {
+        let mut record = String::new();
         for part in rr.txt_data() {
-            s.push_str(&String::from_utf8(part.to_vec()).map_err(|e| {
+            record.push_str(&String::from_utf8(part.to_vec()).map_err(|e| {
                 JacsError::DnsRecordInvalid {
                     domain: owner.to_string(),
                     reason: format!("UTF-8 decode failed: {e}"),
                 }
             })?);
         }
+        records.push(record);
     }
-    Ok(s)
+    find_jacs_txt_record(records, owner)
 }
 
 #[cfg(not(target_arch = "wasm32"))]
@@ -234,18 +255,20 @@ pub fn resolve_txt_insecure(owner: &str) -> Result<String, JacsError> {
             domain: owner.to_string(),
             reason: format!("DNS lookup failed: {e}"),
         })?;
-    let mut s = String::new();
+    let mut records = Vec::new();
     for rr in resp.iter() {
+        let mut record = String::new();
         for part in rr.txt_data() {
-            s.push_str(&String::from_utf8(part.to_vec()).map_err(|e| {
+            record.push_str(&String::from_utf8(part.to_vec()).map_err(|e| {
                 JacsError::DnsRecordInvalid {
                     domain: owner.to_string(),
                     reason: format!("UTF-8 decode failed: {e}"),
                 }
             })?);
         }
+        records.push(record);
     }
-    Ok(s)
+    find_jacs_txt_record(records, owner)
 }
 
 pub fn verify_pubkey_via_dns_or_embedded(
@@ -868,6 +891,75 @@ mod tests {
         }
     }
 
+    // --- H1 fix: find_jacs_txt_record filters non-JACS TXT records ---
+
+    #[test]
+    fn test_find_jacs_txt_record_mixed_spf_and_jacs() {
+        let records = vec![
+            "v=spf1 include:_spf.google.com ~all".to_string(),
+            "v=jacs; jacs_agent_id=a1; alg=SHA-256; enc=base64; jac_public_key_hash=abc"
+                .to_string(),
+        ];
+        let result = find_jacs_txt_record(records, "example.com").unwrap();
+        assert!(
+            result.starts_with("v=jacs"),
+            "Should return JACS record, got: {}",
+            result
+        );
+        assert!(
+            result.contains("jacs_agent_id=a1"),
+            "Should contain agent ID, got: {}",
+            result
+        );
+    }
+
+    #[test]
+    fn test_find_jacs_txt_record_no_jacs_record() {
+        let records = vec![
+            "v=spf1 include:_spf.google.com ~all".to_string(),
+            "google-site-verification=abc123".to_string(),
+        ];
+        let result = find_jacs_txt_record(records, "example.com");
+        assert!(result.is_err(), "Should return error when no JACS record");
+        let err_msg = result.unwrap_err().to_string();
+        assert!(
+            err_msg.contains("No v=jacs TXT record"),
+            "Error should mention 'No v=jacs TXT record', got: {}",
+            err_msg
+        );
+    }
+
+    #[test]
+    fn test_find_jacs_txt_record_empty_records() {
+        let records: Vec<String> = vec![];
+        let result = find_jacs_txt_record(records, "example.com");
+        assert!(result.is_err(), "Should return error for empty records");
+        let err_msg = result.unwrap_err().to_string();
+        assert!(
+            err_msg.contains("No v=jacs TXT record"),
+            "Error should mention 'No v=jacs TXT record', got: {}",
+            err_msg
+        );
+    }
+
+    #[test]
+    fn test_find_jacs_txt_record_jacs_among_garbage() {
+        // JACS record between other unrelated TXT records
+        let records = vec![
+            "v=spf1 include:_spf.google.com ~all".to_string(),
+            "google-site-verification=abc123".to_string(),
+            "v=jacs; jacs_agent_id=agent-42; alg=SHA-256; enc=hex; jac_public_key_hash=deadbeef"
+                .to_string(),
+            "v=DMARC1; p=reject; rua=mailto:dmarc@example.com".to_string(),
+        ];
+        let result = find_jacs_txt_record(records, "example.com").unwrap();
+        assert!(
+            result.contains("jacs_agent_id=agent-42"),
+            "Should extract the JACS record, got: {}",
+            result
+        );
+    }
+
     #[test]
     fn test_verify_pubkey_embedded_fallback_no_hai_references() {
         // Test that embedded fingerprint verification works without any hai.ai involvement