TLS cipher suites (IANA registry)
Assigned TLS cipher suites from the IANA TLS Cipher Suites registry, one document per assigned value with its DTLS-OK flag, Recommended status (Y = recommended, N = not recommended, D = discouraged), defining references, and any registry comment.
Documents
| Document | Version |
|---|---|
TLS_DHE_PSK_WITH_AES_128_CCM (0xC0,0xA6)TLS_DHE_PSK_WITH_AES_128_CCM (0xC0,0xA6) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 (0x00,0xAA)TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 (0x00,0xAA) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_AES_256_CBC_SHA (0x00,0x91)TLS_DHE_PSK_WITH_AES_256_CBC_SHA (0x00,0x91) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 (0x00,0xB3)TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 (0x00,0xB3) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_AES_256_CCM (0xC0,0xA7)TLS_DHE_PSK_WITH_AES_256_CCM (0xC0,0xA7) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 (0x00,0xAB)TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 (0x00,0xAB) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 (0xC0,0x66)TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 (0xC0,0x66) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256 (0xC0,0x6C)TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256 (0xC0,0x6C) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 (0xC0,0x67)TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 (0xC0,0x67) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384 (0xC0,0x6D)TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384 (0xC0,0x6D) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 (0xC0,0x96)TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 (0xC0,0x96) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 (0xC0,0x90)TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 (0xC0,0x90) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 (0xC0,0x97)TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 (0xC0,0x97) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 (0xC0,0x91)TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 (0xC0,0x91) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xAD)TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xAD) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_NULL_SHA (0x00,0x2D)TLS_DHE_PSK_WITH_NULL_SHA (0x00,0x2D) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_NULL_SHA256 (0x00,0xB4)TLS_DHE_PSK_WITH_NULL_SHA256 (0x00,0xB4) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_NULL_SHA384 (0x00,0xB5)TLS_DHE_PSK_WITH_NULL_SHA384 (0x00,0xB5) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_PSK_WITH_RC4_128_SHA (0x00,0x8E)TLS_DHE_PSK_WITH_RC4_128_SHA (0x00,0x8E) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA (0x00,0x14)TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA (0x00,0x14) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA (0x00,0x16)TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA (0x00,0x16) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x00,0x33)TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x00,0x33) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 (0x00,0x67)TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 (0x00,0x67) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. | |
TLS_DHE_RSA_WITH_AES_128_CCM (0xC0,0x9E)TLS_DHE_RSA_WITH_AES_128_CCM (0xC0,0x9E) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use. |
Source, review, and usage
- Published on Koskamo by
- Koskamo
- Version
- 357
- Documents
- 356 documents
- Reviewed
- 2026-10-05
- Last approved change
- 2026-10-04
- Agent lookups
- 0 in the last 90 days
- Reuse
- IANA TLS Cipher Suites registry (iana.org/assignments/tls-parameters); registry data reproduced verbatim with references
- Review status
- Published by Koskamo; proposed revisions require Koskamo approval
Use this dataset from an agent
Agents can query it without an account. POST to /api/v1/retrieve, or connect an MCP client and call koskamo_retrieve with dataset: "tls-cipher-suites".
curl --fail-with-body 'https://koskamo.com/api/v1/retrieve' -H 'Content-Type: application/json' --data-raw '{"query":"tls-cipher-suites","dataset":"tls-cipher-suites","top_k":3}'Change history
Every change that reached this dataset. Proposals from contributors land only after Koskamo approves them.
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xAC) · v1
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xA9) · v1