For the complete documentation index, see llms.txt.

Chainguard OpenSSL 3.6 configuration

Chainguard OpenSSL 3.6 configuration
  6 min read

This is a summary of available algorithms in Chainguard OpenSSL 3.6 (non-fips) and Chainguard FIPS Provider for OpenSSL 3.4.

The majority of the available algorithms are not enabled default and are only available with manual overrides, configuration, and reduction of default security level of 2, to a lower value. Those that are available in FIPS also require manual overrides and configuration. The Default columns represent algorithms that are negotiated by default.

The tables are presented in the format similar to the IANA TLS Parameters.

For more information about Transport Layer Security (TLS) please see the following references:

TLS Cipher Suites

TLS Cipher SuiteNon-FIPSFIPS
valuedescriptionAvailableDefaultAvailableDefault
0x00,0x2FTLS_RSA_WITH_AES_128_CBC_SHAYes
0x00,0x32TLS_DHE_DSS_WITH_AES_128_CBC_SHAYes
0x00,0x33TLS_DHE_RSA_WITH_AES_128_CBC_SHAYesYes
0x00,0x34TLS_DH_anon_WITH_AES_128_CBC_SHAYesYes
0x00,0x35TLS_RSA_WITH_AES_256_CBC_SHAYes
0x00,0x38TLS_DHE_DSS_WITH_AES_256_CBC_SHAYes
0x00,0x39TLS_DHE_RSA_WITH_AES_256_CBC_SHAYesYes
0x00,0x3ATLS_DH_anon_WITH_AES_256_CBC_SHAYesYes
0x00,0x3CTLS_RSA_WITH_AES_128_CBC_SHA256Yes
0x00,0x3DTLS_RSA_WITH_AES_256_CBC_SHA256Yes
0x00,0x40TLS_DHE_DSS_WITH_AES_128_CBC_SHA256Yes
0x00,0x41TLS_RSA_WITH_CAMELLIA_128_CBC_SHAYes
0x00,0x44TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHAYes
0x00,0x45TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHAYes
0x00,0x46TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHAYes
0x00,0x67TLS_DHE_RSA_WITH_AES_128_CBC_SHA256YesYes
0x00,0x6ATLS_DHE_DSS_WITH_AES_256_CBC_SHA256Yes
0x00,0x6BTLS_DHE_RSA_WITH_AES_256_CBC_SHA256YesYes
0x00,0x6CTLS_DH_anon_WITH_AES_128_CBC_SHA256YesYes
0x00,0x6DTLS_DH_anon_WITH_AES_256_CBC_SHA256YesYes
0x00,0x84TLS_RSA_WITH_CAMELLIA_256_CBC_SHAYes
0x00,0x87TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHAYes
0x00,0x88TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHAYes
0x00,0x89TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHAYes
0x00,0x8CTLS_PSK_WITH_AES_128_CBC_SHAYesYes
0x00,0x8DTLS_PSK_WITH_AES_256_CBC_SHAYesYes
0x00,0x90TLS_DHE_PSK_WITH_AES_128_CBC_SHAYesYes
0x00,0x91TLS_DHE_PSK_WITH_AES_256_CBC_SHAYesYes
0x00,0x94TLS_RSA_PSK_WITH_AES_128_CBC_SHAYes
0x00,0x95TLS_RSA_PSK_WITH_AES_256_CBC_SHAYes
0x00,0x9CTLS_RSA_WITH_AES_128_GCM_SHA256Yes
0x00,0x9DTLS_RSA_WITH_AES_256_GCM_SHA384Yes
0x00,0x9ETLS_DHE_RSA_WITH_AES_128_GCM_SHA256YesYes
0x00,0x9FTLS_DHE_RSA_WITH_AES_256_GCM_SHA384YesYes
0x00,0xA2TLS_DHE_DSS_WITH_AES_128_GCM_SHA256Yes
0x00,0xA3TLS_DHE_DSS_WITH_AES_256_GCM_SHA384Yes
0x00,0xA6TLS_DH_anon_WITH_AES_128_GCM_SHA256YesYes
0x00,0xA7TLS_DH_anon_WITH_AES_256_GCM_SHA384YesYes
0x00,0xA8TLS_PSK_WITH_AES_128_GCM_SHA256YesYes
0x00,0xA9TLS_PSK_WITH_AES_256_GCM_SHA384YesYes
0x00,0xAATLS_DHE_PSK_WITH_AES_128_GCM_SHA256YesYes
0x00,0xABTLS_DHE_PSK_WITH_AES_256_GCM_SHA384YesYes
0x00,0xACTLS_RSA_PSK_WITH_AES_128_GCM_SHA256Yes
0x00,0xADTLS_RSA_PSK_WITH_AES_256_GCM_SHA384Yes
0x00,0xAETLS_PSK_WITH_AES_128_CBC_SHA256YesYes
0x00,0xAFTLS_PSK_WITH_AES_256_CBC_SHA384YesYes
0x00,0xB2TLS_DHE_PSK_WITH_AES_128_CBC_SHA256YesYes
0x00,0xB3TLS_DHE_PSK_WITH_AES_256_CBC_SHA384YesYes
0x00,0xB6TLS_RSA_PSK_WITH_AES_128_CBC_SHA256Yes
0x00,0xB7TLS_RSA_PSK_WITH_AES_256_CBC_SHA384Yes
0x00,0xBATLS_RSA_WITH_CAMELLIA_128_CBC_SHA256Yes
0x00,0xBDTLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256Yes
0x00,0xBETLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256Yes
0x00,0xBFTLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256Yes
0x00,0xC0TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256Yes
0x00,0xC3TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256Yes
0x00,0xC4TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256Yes
0x00,0xC5TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256Yes
0x13,0x01TLS_AES_128_GCM_SHA256YesYesYesYes
0x13,0x02TLS_AES_256_GCM_SHA384YesYesYesYes
0x13,0x03TLS_CHACHA20_POLY1305_SHA256YesYes
0xC0,0x09TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHAYesYes
0xC0,0x0ATLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHAYesYes
0xC0,0x13TLS_ECDHE_RSA_WITH_AES_128_CBC_SHAYesYes
0xC0,0x14TLS_ECDHE_RSA_WITH_AES_256_CBC_SHAYesYes
0xC0,0x18TLS_ECDH_anon_WITH_AES_128_CBC_SHAYesYes
0xC0,0x19TLS_ECDH_anon_WITH_AES_256_CBC_SHAYesYes
0xC0,0x1DTLS_SRP_SHA_WITH_AES_128_CBC_SHAYesYes
0xC0,0x1ETLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHAYesYes
0xC0,0x1FTLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHAYes
0xC0,0x20TLS_SRP_SHA_WITH_AES_256_CBC_SHAYesYes
0xC0,0x21TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHAYesYes
0xC0,0x22TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHAYes
0xC0,0x23TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256YesYes
0xC0,0x24TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384YesYes
0xC0,0x27TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256YesYes
0xC0,0x28TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384YesYes
0xC0,0x2BTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256YesYesYesYes
0xC0,0x2CTLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384YesYesYesYes
0xC0,0x2FTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256YesYesYesYes
0xC0,0x30TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384YesYesYesYes
0xC0,0x35TLS_ECDHE_PSK_WITH_AES_128_CBC_SHAYesYes
0xC0,0x36TLS_ECDHE_PSK_WITH_AES_256_CBC_SHAYesYes
0xC0,0x37TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256YesYes
0xC0,0x38TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384YesYes
0xC0,0x50TLS_RSA_WITH_ARIA_128_GCM_SHA256Yes
0xC0,0x51TLS_RSA_WITH_ARIA_256_GCM_SHA384Yes
0xC0,0x52TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256Yes
0xC0,0x53TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384Yes
0xC0,0x56TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256Yes
0xC0,0x57TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384Yes
0xC0,0x5CTLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256Yes
0xC0,0x5DTLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384Yes
0xC0,0x60TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256Yes
0xC0,0x61TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384Yes
0xC0,0x6ATLS_PSK_WITH_ARIA_128_GCM_SHA256Yes
0xC0,0x6BTLS_PSK_WITH_ARIA_256_GCM_SHA384Yes
0xC0,0x6CTLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256Yes
0xC0,0x6DTLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384Yes
0xC0,0x6ETLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256Yes
0xC0,0x6FTLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384Yes
0xC0,0x72TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256Yes
0xC0,0x73TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384Yes
0xC0,0x76TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256Yes
0xC0,0x77TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384Yes
0xC0,0x94TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256Yes
0xC0,0x95TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384Yes
0xC0,0x96TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256Yes
0xC0,0x97TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384Yes
0xC0,0x98TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256Yes
0xC0,0x99TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384Yes
0xC0,0x9ATLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256Yes
0xC0,0x9BTLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384Yes
0xC0,0x9CTLS_RSA_WITH_AES_128_CCMYes
0xC0,0x9DTLS_RSA_WITH_AES_256_CCMYes
0xC0,0x9ETLS_DHE_RSA_WITH_AES_128_CCMYesYes
0xC0,0x9FTLS_DHE_RSA_WITH_AES_256_CCMYesYes
0xC0,0xA0TLS_RSA_WITH_AES_128_CCM_8Yes
0xC0,0xA1TLS_RSA_WITH_AES_256_CCM_8Yes
0xC0,0xA2TLS_DHE_RSA_WITH_AES_128_CCM_8YesYes
0xC0,0xA3TLS_DHE_RSA_WITH_AES_256_CCM_8YesYes
0xC0,0xA4TLS_PSK_WITH_AES_128_CCMYesYes
0xC0,0xA5TLS_PSK_WITH_AES_256_CCMYesYes
0xC0,0xA6TLS_DHE_PSK_WITH_AES_128_CCMYesYes
0xC0,0xA7TLS_DHE_PSK_WITH_AES_256_CCMYesYes
0xC0,0xA8TLS_PSK_WITH_AES_128_CCM_8YesYes
0xC0,0xA9TLS_PSK_WITH_AES_256_CCM_8YesYes
0xC0,0xAATLS_PSK_DHE_WITH_AES_128_CCM_8YesYes
0xC0,0xABTLS_PSK_DHE_WITH_AES_256_CCM_8YesYes
0xC0,0xACTLS_ECDHE_ECDSA_WITH_AES_128_CCMYesYes
0xC0,0xADTLS_ECDHE_ECDSA_WITH_AES_256_CCMYesYes
0xC0,0xAETLS_ECDHE_ECDSA_WITH_AES_128_CCM_8YesYes
0xC0,0xAFTLS_ECDHE_ECDSA_WITH_AES_256_CCM_8YesYes
0xCC,0xA8TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256YesYes
0xCC,0xA9TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256YesYes
0xCC,0xAATLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256Yes
0xCC,0xABTLS_PSK_WITH_CHACHA20_POLY1305_SHA256Yes
0xCC,0xACTLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256Yes
0xCC,0xADTLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256Yes
0xCC,0xAETLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256Yes

TLS Supported Groups

TLS Supported GroupNon-FIPSFIPS
valuedescriptionAvailableDefaultAvailableDefault
15secp160k1Yes
16secp160r1Yes
17secp160r2Yes
18secp192k1Yes
19secp192r1Yes
20secp224k1Yes
21secp224r1YesYes
22secp256k1Yes
23secp256r1YesYesYesYes
24secp384r1YesYesYesFirst & Preshare
25secp521r1YesYesYes
26brainpoolP256r1Yes
27brainpoolP384r1Yes
28brainpoolP512r1Yes
29x25519YesPreshare
30x448YesYes
31brainpoolP256r1tls13Yes
32brainpoolP384r1tls13Yes
33brainpoolP512r1tls13Yes
256ffdhe2048YesYes
257ffdhe3072YesYes
258ffdhe4096YesYes
259ffdhe6144YesYes
260ffdhe8192YesYes
512MLKEM512Yes
513MLKEM768Yes
514MLKEM1024YesYes
4587SecP256r1MLKEM768YesYes
4588X25519MLKEM768YesFirst
4589SecP384r1MLKEM1024YesYes

TLS SignatureScheme

TLS Signature SchemeNon-FIPSFIPS
valuedescriptionAvailableDefaultAvailableDefault
0x0201rsa_pkcs1_sha1Yes
0x0202Reserved for backward compatibility (dsa_sha1)Yes
0x0203ecdsa_sha1Yes
0x0301Reserved for backward compatibility (rsa_pkcs1_sha224)YesYes
0x0302Reserved for backward compatibility (dsa_sha224)Yes
0x0303Reserved for backward compatibility (ecdsa_sha224)YesYes
0x0401rsa_pkcs1_sha256YesYesYesYes
0x0402Reserved for backward compatibility (dsa_sha256)Yes
0x0403ecdsa_secp256r1_sha256YesYesYesYes
0x0501rsa_pkcs1_sha384YesYesYesYes
0x0502Reserved for backward compatibility (dsa_sha384)Yes
0x0503ecdsa_secp384r1_sha384YesYesYesYes
0x0601rsa_pkcs1_sha512YesYesYesYes
0x0602Reserved for backward compatibility (dsa_sha512)Yes
0x0603ecdsa_secp521r1_sha512YesYesYesYes
0x0804rsa_pss_rsae_sha256YesYesYesYes
0x0805rsa_pss_rsae_sha384YesYesYesYes
0x0806rsa_pss_rsae_sha512YesYesYesYes
0x0807ed25519YesYesYesYes
0x0808ed448YesYesYesYes
0x0809rsa_pss_pss_sha256YesYesYesYes
0x080Arsa_pss_pss_sha384YesYesYesYes
0x080Brsa_pss_pss_sha512YesYesYesYes
0x081Aecdsa_brainpoolP256r1tls13_sha256Yes
0x081Becdsa_brainpoolP384r1tls13_sha384Yes
0x081Cecdsa_brainpoolP512r1tls13_sha512Yes
0x0904mldsa44YesYes
0x0905mldsa65YesYes
0x0906mldsa87YesYes

Elliptic Curves

Elliptic CurveNon-FIPSFIPS
OIDdescriptionAvailableDefaultAvailableDefault
1.2.840.10045.3.1.1prime192v1 (P-192, secp192r1)YesVerify only
1.2.840.10045.3.1.2prime192v2Yes
1.2.840.10045.3.1.3prime192v3Yes
1.2.840.10045.3.1.4prime239v1Yes
1.2.840.10045.3.1.5prime239v2Yes
1.2.840.10045.3.1.6prime239v3Yes
1.2.840.10045.3.1.7prime256v1 (P-256, secp256r1)YesYesYesYes
1.3.36.3.3.2.8.1.1.1brainpoolP160r1Yes
1.3.36.3.3.2.8.1.1.2brainpoolP160t1Yes
1.3.36.3.3.2.8.1.1.3brainpoolP192r1Yes
1.3.36.3.3.2.8.1.1.4brainpoolP192t1Yes
1.3.36.3.3.2.8.1.1.5brainpoolP224r1Yes
1.3.36.3.3.2.8.1.1.6brainpoolP224t1Yes
1.3.36.3.3.2.8.1.1.7brainpoolP256r1Yes
1.3.36.3.3.2.8.1.1.8brainpoolP256t1Yes
1.3.36.3.3.2.8.1.1.9brainpoolP320r1Yes
1.3.36.3.3.2.8.1.1.10brainpoolP320t1Yes
1.3.36.3.3.2.8.1.1.11brainpoolP384r1Yes
1.3.36.3.3.2.8.1.1.12brainpoolP384t1Yes
1.3.36.3.3.2.8.1.1.13brainpoolP512r1Yes
1.3.36.3.3.2.8.1.1.14brainpoolP512t1Yes
1.3.132.0.6secp112r1Yes
1.3.132.0.7secp112r2Yes
1.3.132.0.8secp160r1Yes
1.3.132.0.9secp160k1Yes
1.3.132.0.10secp256k1Yes
1.3.132.0.28secp128r1Yes
1.3.132.0.29secp128r2Yes
1.3.132.0.30secp160r2Yes
1.3.132.0.31secp192k1Yes
1.3.132.0.32secp224k1Yes
1.3.132.0.33secp224r1 (P-224)YesYes
1.3.132.0.34secp384r1 (P-384)YesYesYesYes
1.3.132.0.35secp521r1 (P-521)YesYesYesTLS 1.3 only
2.23.43.1.4.6wap-wsg-idm-ecid-wtls6Yes
2.23.43.1.4.7wap-wsg-idm-ecid-wtls7Yes
2.23.43.1.4.8wap-wsg-idm-ecid-wtls8Yes
2.23.43.1.4.9wap-wsg-idm-ecid-wtls9Yes
2.23.43.1.4.12wap-wsg-idm-ecid-wtls12Yes

Last updated: 2026-09-10 00:48