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.

Browse 356 documents Use with your agent

Documents

Showing 241–264 of 356 documents

Document	Version
TLS_ECDHE_RSA_WITH_RC4_128_SHA (0xC0,0x11) TLS_ECDHE_RSA_WITH_RC4_128_SHA (0xC0,0x11) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_EMPTY_RENEGOTIATION_INFO_SCSV (0x00,0xFF) TLS_EMPTY_RENEGOTIATION_INFO_SCSV (0x00,0xFF) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_FALLBACK_SCSV (0x56,0x00) TLS_FALLBACK_SCSV (0x56,0x00) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_GOSTR341112_256_WITH_28147_CNT_IMIT (0xC1,0x02) TLS_GOSTR341112_256_WITH_28147_CNT_IMIT (0xC1,0x02) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_GOSTR341112_256_WITH_KUZNYECHIK_CTR_OMAC (0xC1,0x00) TLS_GOSTR341112_256_WITH_KUZNYECHIK_CTR_OMAC (0xC1,0x00) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L (0xC1,0x03) TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L (0xC1,0x03) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_S (0xC1,0x05) TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_S (0xC1,0x05) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_GOSTR341112_256_WITH_MAGMA_CTR_OMAC (0xC1,0x01) TLS_GOSTR341112_256_WITH_MAGMA_CTR_OMAC (0xC1,0x01) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_GOSTR341112_256_WITH_MAGMA_MGM_L (0xC1,0x04) TLS_GOSTR341112_256_WITH_MAGMA_MGM_L (0xC1,0x04) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_GOSTR341112_256_WITH_MAGMA_MGM_S (0xC1,0x06) TLS_GOSTR341112_256_WITH_MAGMA_MGM_S (0xC1,0x06) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5 (0x00,0x29) TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5 (0x00,0x29) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA (0x00,0x26) TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA (0x00,0x26) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5 (0x00,0x2A) TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5 (0x00,0x2A) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA (0x00,0x27) TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA (0x00,0x27) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_EXPORT_WITH_RC4_40_MD5 (0x00,0x2B) TLS_KRB5_EXPORT_WITH_RC4_40_MD5 (0x00,0x2B) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_EXPORT_WITH_RC4_40_SHA (0x00,0x28) TLS_KRB5_EXPORT_WITH_RC4_40_SHA (0x00,0x28) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_WITH_3DES_EDE_CBC_MD5 (0x00,0x23) TLS_KRB5_WITH_3DES_EDE_CBC_MD5 (0x00,0x23) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_KRB5_WITH_3DES_EDE_CBC_SHA (0x00,0x1F) TLS_KRB5_WITH_3DES_EDE_CBC_SHA (0x00,0x1F) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked not recommended for general use.	v1
TLS_KRB5_WITH_DES_CBC_MD5 (0x00,0x22) TLS_KRB5_WITH_DES_CBC_MD5 (0x00,0x22) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_WITH_DES_CBC_SHA (0x00,0x1E) TLS_KRB5_WITH_DES_CBC_SHA (0x00,0x1E) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_WITH_IDEA_CBC_MD5 (0x00,0x25) TLS_KRB5_WITH_IDEA_CBC_MD5 (0x00,0x25) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_WITH_IDEA_CBC_SHA (0x00,0x21) TLS_KRB5_WITH_IDEA_CBC_SHA (0x00,0x21) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_WITH_RC4_128_MD5 (0x00,0x24) TLS_KRB5_WITH_RC4_128_MD5 (0x00,0x24) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1
TLS_KRB5_WITH_RC4_128_SHA (0x00,0x20) TLS_KRB5_WITH_RC4_128_SHA (0x00,0x20) is an assigned cipher suite in the IANA TLS Cipher Suites registry, marked discouraged for general use.	v1

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

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

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retrieve request

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 Koskamo2026-10-04
TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256 (0xD0,0x05) · v1
Published by Koskamo2026-10-04
TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256 (0xD0,0x03) · v1
Published by Koskamo2026-10-04
TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384 (0xD0,0x02) · v1
Published by Koskamo2026-10-04
TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256 (0xD0,0x01) · v1
Published by Koskamo2026-10-04
TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xAE) · v1
Published by Koskamo2026-10-04
TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xAD) · v1
Published by Koskamo2026-10-04
TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xAC) · v1
Published by Koskamo2026-10-04
TLS_PSK_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xAB) · v1
Published by Koskamo2026-10-04
TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xAA) · v1
Published by Koskamo2026-10-04
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 (0xCC,0xA9) · v1