nasa/CryptoLib

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Provide a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station.

Stars: 168
Forks: 67
Open beginner issues: 0
Indexed issues: 54

Dominant language: C
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

54 open issues indexed

🐛 [BUG] - Private security advisories filed in June have received no maintainer response Open

bug

Difficulty 5/5 Over a week Newbie friendliness 20/100

nasa/CryptoLib#548 · Opened Sep 18, 2026
🐛 [BUG] - support/fuzz/ has not compiled since v1.5.0, and build-fuzz.sh reports success anyway Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 58/100

nasa/CryptoLib#546 · Opened Sep 15, 2026
🐛 [BUG] - `sa_create` Silently Returns Success for an Out-of-Range SPI Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

nasa/CryptoLib#545 · Opened Sep 15, 2026
🐛 [BUG] - TC PDU Length Subtracts `stmacf_len` Unconditionally & Clear SAs Reject Well-Formed Frames Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 68/100

nasa/CryptoLib#544 · Opened Sep 15, 2026
🐛 [BUG] - OTAR Key Count Derived Entirely From an Unvalidated, Attacker-Controlled TLV Length Field Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 68/100

nasa/CryptoLib#540 · Opened Aug 26, 2026
🐛 [BUG] - Conformance - TLV Procedure-Type Bit Written to the Wrong Struct Field — Reply PDUs Executed as Commands Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

nasa/CryptoLib#539 · Opened Aug 26, 2026
🐛 [BUG] - Implementation detail - SA setARSN and setARSNW Never Verify the Target SPI Was Actually Created (Only That It's In-Bounds) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

nasa/CryptoLib#537 · Opened Aug 25, 2026
🐛 [BUG] - Conformance - sa_setARSNW Does Not Enforce the SA's Authentication-Capability Precondition Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

nasa/CryptoLib#536 · Opened Aug 25, 2026
🐛 [BUG] - Implementation Standard - Unrecognized SA-Management PID Silently Returns Success Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

nasa/CryptoLib#535 · Opened Aug 25, 2026
🐛 [BUG] - Conformance - SA setARSN and setARSNW Always Return Success Regardless of Precondition Failures Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 64/100

nasa/CryptoLib#534 · Opened Aug 25, 2026
🐛 [BUG] - Conformance - SA Rekey Never Checks That the New Encryption/Authentication Keys Are Active Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 76/100

nasa/CryptoLib#533 · Opened Aug 25, 2026
💡 [REQUEST] - ML-KEM SA key establishment works with CryptoLib unmodified — where should it live? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

nasa/CryptoLib#523 · Opened Aug 5, 2026
🐛 [BUG] - ACS Authentication (CMAC/HMAC) Unconditionally Calls `gcry_mac_setiv`, Which Those Algorithms Reject — Every Non-AEAD MAC Operation With a Non-Zero SA IV Fails Before the Tag Is Ever Computed Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

nasa/CryptoLib#522 · 1 comment · Opened Jul 13, 2026
🐛 [BUG] - TC Authentication-Only SAs Silently Use the Encryption Cipher (ECS) Engine Instead of the Configured Authentication Cipher (ACS) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

nasa/CryptoLib#521 · 1 comment · Opened Jul 13, 2026
🐛 [BUG] - Missing Control SPI Check in `sa_start` Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

nasa/CryptoLib#519 · Opened Jun 26, 2026
🐛 [BUG] - SA REKEY, START, and EXPIRE Return Inconsistent Success Codes Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

nasa/CryptoLib#518 · Opened Jun 26, 2026
🐛 [BUG] - Conformance with the Standard - Key Verification Allows Verification of Non-Active Keys Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

nasa/CryptoLib#517 · Opened Jun 26, 2026
🐛 [BUG] - Key Inventory Missing Range Validation Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

nasa/CryptoLib#516 · Opened Jun 26, 2026
🐛 [BUG] - Key Activation Succeeds on Non-Provisioned Keys Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

nasa/CryptoLib#515 · Opened Jun 26, 2026
sa_get_from_spi missing shivf_len <= iv_len cross-field check (sibling of existing arsn/shsnf guard) Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

nasa/CryptoLib#512 · Opened Jun 9, 2026
🐛 [BUG] - SA Create Does Not Set/Update Local IV Length (`iv_len`) Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

nasa/CryptoLib#508 · 1 comment · Opened Mar 31, 2026
🐛 [BUG] - SA Create Does Not Validate SA State (Conformance issue) Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nasa/CryptoLib#507 · Opened Mar 31, 2026
🐛 [BUG] - v1.4.2 - OTAR Does Not Set Key Length Properly Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

nasa/CryptoLib#506 · Opened Mar 31, 2026
🐛 [BUG] - `sdls_frame.hdr.pkt_length` is not updated properly in `Crypto_Process_Extended_Procedure_Pdu` Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

nasa/CryptoLib#505 · Opened Jan 30, 2026
AOS: IV not incrementing between frames Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

nasa/CryptoLib#500 · Opened Dec 13, 2025
Does TM support shsnf_len > 0? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nasa/CryptoLib#499 · Opened Dec 12, 2025
Is AES-256-CCM supported? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

nasa/CryptoLib#498 · Opened Dec 12, 2025
🐛 [BUG] - cryptography_interface_kmc_crypto_service.template.c typos in calls to int_to_str Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 55/100

nasa/CryptoLib#497 · Opened Dec 2, 2025
🐛 SA_Rekey only sets IV Open

bug

nasa/CryptoLib#486 · 1 assignee · Opened Aug 12, 2025
💡 TM/AOS FHP Functionality Open

enhancement Planned next release

nasa/CryptoLib#468 · 1 assignee · Opened Jun 11, 2025
🐛 sa save file being created unless manually specified Open

bug

nasa/CryptoLib#459 · 1 assignee · Opened Apr 21, 2025
Support for GSFC-STD-8012 (Bulk Encryption) Open

enhancement

nasa/CryptoLib#458 · 1 comment · 2 assignees · Opened Apr 15, 2025
💡 Create fuzzer CI scripts Open

nasa/CryptoLib#457 · 1 assignee · Opened Apr 10, 2025
💡 Refactor Apply and Process Open

enhancement

nasa/CryptoLib#453 · 1 assignee · Opened Apr 7, 2025
Calloc in libgcrypt interface Open

bug

nasa/CryptoLib#447 · 1 assignee · Opened Apr 2, 2025
🐛 [BUG] - Fix Key Verification IV values Open

bug

nasa/CryptoLib#446 · 1 comment · 1 assignee · Opened Mar 31, 2025
💡 Streamline Crypto_config Open

enhancement

nasa/CryptoLib#441 · 1 assignee · Opened Mar 26, 2025
AOS UT Review - Cascading Test Failures Open

bug

nasa/CryptoLib#434 · 1 comment · 1 assignee · Opened Mar 20, 2025
💡 [Magic Number Removal] - CBC Padding parameters in AOS and TM Open

nasa/CryptoLib#422 · 1 comment · 1 assignee · Opened Mar 17, 2025
🐛 [BUG] - Review ECS CBC Cipher Calls Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

nasa/CryptoLib#421 · Opened Mar 17, 2025
Verify FHECF Calculations Open

bug

nasa/CryptoLib#418 · 1 comment · 1 assignee · Opened Mar 13, 2025
Builds Failing on Mac's Open

nasa/CryptoLib#405 · 3 comments · 2 assignees · Opened Feb 6, 2025
Create Docs for Basic Mission Setup Open

enhancement

nasa/CryptoLib#386 · 1 assignee · Opened Jan 13, 2025
Minor Release: Documentation Refresh Open

nasa/CryptoLib#382 · 2 comments · 1 assignee · Opened Jan 7, 2025
Configuration of EP methods Open

nasa/CryptoLib#376 · 1 comment · 1 assignee · Opened Dec 18, 2024
Create Custom SonarCloud CI with Code Coverage Open

enhancement

nasa/CryptoLib#351 · 1 assignee · Opened Nov 15, 2024
Review SonarCloud Results Open

nasa/CryptoLib#346 · 1 assignee · Opened Nov 5, 2024
Code Scanning Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nasa/CryptoLib#302 · Opened Sep 11, 2024
CAP Analysis Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

nasa/CryptoLib#288 · Opened Sep 4, 2024
Cyclomatic Complexity - KMC base64 Open

cmp

nasa/CryptoLib#228 · 1 assignee · Opened Mar 20, 2024

nasa/CryptoLib

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