Here are all the available algorithms for use in a priority string in ThinLinc.
TLS_AES_128_GCM_SHA256 TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256 TLS_AES_128_CCM_SHA256 TLS_AES_128_CCM_8_SHA256 TLS_RSA_NULL_MD5 TLS_RSA_NULL_SHA1 TLS_RSA_NULL_SHA256 TLS_RSA_ARCFOUR_128_SHA1 TLS_RSA_ARCFOUR_128_MD5 TLS_RSA_3DES_EDE_CBC_SHA1 TLS_RSA_AES_128_CBC_SHA1 TLS_RSA_AES_256_CBC_SHA1 TLS_RSA_CAMELLIA_128_CBC_SHA256 TLS_RSA_CAMELLIA_256_CBC_SHA256 TLS_RSA_CAMELLIA_128_CBC_SHA1 TLS_RSA_CAMELLIA_256_CBC_SHA1 TLS_RSA_AES_128_CBC_SHA256 TLS_RSA_AES_256_CBC_SHA256 TLS_RSA_AES_128_GCM_SHA256 TLS_RSA_AES_256_GCM_SHA384 TLS_RSA_CAMELLIA_128_GCM_SHA256 TLS_RSA_CAMELLIA_256_GCM_SHA384 TLS_RSA_AES_128_CCM TLS_RSA_AES_256_CCM TLS_RSA_AES_128_CCM_8 TLS_RSA_AES_256_CCM_8 TLS_DHE_DSS_ARCFOUR_128_SHA1 TLS_DHE_DSS_3DES_EDE_CBC_SHA1 TLS_DHE_DSS_AES_128_CBC_SHA1 TLS_DHE_DSS_AES_256_CBC_SHA1 TLS_DHE_DSS_CAMELLIA_128_CBC_SHA256 TLS_DHE_DSS_CAMELLIA_256_CBC_SHA256 TLS_DHE_DSS_CAMELLIA_128_CBC_SHA1 TLS_DHE_DSS_CAMELLIA_256_CBC_SHA1 TLS_DHE_DSS_AES_128_CBC_SHA256 TLS_DHE_DSS_AES_256_CBC_SHA256 TLS_DHE_DSS_AES_128_GCM_SHA256 TLS_DHE_DSS_AES_256_GCM_SHA384 TLS_DHE_DSS_CAMELLIA_128_GCM_SHA256 TLS_DHE_DSS_CAMELLIA_256_GCM_SHA384 TLS_DHE_RSA_3DES_EDE_CBC_SHA1 TLS_DHE_RSA_AES_128_CBC_SHA1 TLS_DHE_RSA_AES_256_CBC_SHA1 TLS_DHE_RSA_CAMELLIA_128_CBC_SHA256 TLS_DHE_RSA_CAMELLIA_256_CBC_SHA256 TLS_DHE_RSA_CAMELLIA_128_CBC_SHA1 TLS_DHE_RSA_CAMELLIA_256_CBC_SHA1 TLS_DHE_RSA_AES_128_CBC_SHA256 TLS_DHE_RSA_AES_256_CBC_SHA256 TLS_DHE_RSA_AES_128_GCM_SHA256 TLS_DHE_RSA_AES_256_GCM_SHA384 TLS_DHE_RSA_CAMELLIA_128_GCM_SHA256 TLS_DHE_RSA_CAMELLIA_256_GCM_SHA384 TLS_DHE_RSA_CHACHA20_POLY1305 TLS_DHE_RSA_AES_128_CCM TLS_DHE_RSA_AES_256_CCM TLS_DHE_RSA_AES_128_CCM_8 TLS_DHE_RSA_AES_256_CCM_8 TLS_ECDHE_RSA_NULL_SHA1 TLS_ECDHE_RSA_3DES_EDE_CBC_SHA1 TLS_ECDHE_RSA_AES_128_CBC_SHA1 TLS_ECDHE_RSA_AES_256_CBC_SHA1 TLS_ECDHE_RSA_AES_256_CBC_SHA384 TLS_ECDHE_RSA_ARCFOUR_128_SHA1 TLS_ECDHE_RSA_CAMELLIA_128_CBC_SHA256 TLS_ECDHE_RSA_CAMELLIA_256_CBC_SHA384 TLS_ECDHE_ECDSA_NULL_SHA1 TLS_ECDHE_ECDSA_3DES_EDE_CBC_SHA1 TLS_ECDHE_ECDSA_AES_128_CBC_SHA1 TLS_ECDHE_ECDSA_AES_256_CBC_SHA1 TLS_ECDHE_ECDSA_ARCFOUR_128_SHA1 TLS_ECDHE_ECDSA_CAMELLIA_128_CBC_SHA256 TLS_ECDHE_ECDSA_CAMELLIA_256_CBC_SHA384 TLS_ECDHE_ECDSA_AES_128_CBC_SHA256 TLS_ECDHE_RSA_AES_128_CBC_SHA256 TLS_ECDHE_ECDSA_CAMELLIA_128_GCM_SHA256 TLS_ECDHE_ECDSA_CAMELLIA_256_GCM_SHA384 TLS_ECDHE_ECDSA_AES_128_GCM_SHA256 TLS_ECDHE_ECDSA_AES_256_GCM_SHA384 TLS_ECDHE_RSA_AES_128_GCM_SHA256 TLS_ECDHE_RSA_AES_256_GCM_SHA384 TLS_ECDHE_ECDSA_AES_256_CBC_SHA384 TLS_ECDHE_RSA_CAMELLIA_128_GCM_SHA256 TLS_ECDHE_RSA_CAMELLIA_256_GCM_SHA384 TLS_ECDHE_RSA_CHACHA20_POLY1305 TLS_ECDHE_ECDSA_CHACHA20_POLY1305 TLS_ECDHE_ECDSA_AES_128_CCM TLS_ECDHE_ECDSA_AES_256_CCM TLS_ECDHE_ECDSA_AES_128_CCM_8 TLS_ECDHE_ECDSA_AES_256_CCM_8 TLS_ECDHE_PSK_3DES_EDE_CBC_SHA1 TLS_ECDHE_PSK_AES_128_CBC_SHA1 TLS_ECDHE_PSK_AES_256_CBC_SHA1 TLS_ECDHE_PSK_AES_128_CBC_SHA256 TLS_ECDHE_PSK_AES_256_CBC_SHA384 TLS_ECDHE_PSK_ARCFOUR_128_SHA1 TLS_ECDHE_PSK_NULL_SHA1 TLS_ECDHE_PSK_NULL_SHA256 TLS_ECDHE_PSK_NULL_SHA384 TLS_ECDHE_PSK_CAMELLIA_128_CBC_SHA256 TLS_ECDHE_PSK_CAMELLIA_256_CBC_SHA384 TLS_PSK_ARCFOUR_128_SHA1 TLS_PSK_3DES_EDE_CBC_SHA1 TLS_PSK_AES_128_CBC_SHA1 TLS_PSK_AES_256_CBC_SHA1 TLS_PSK_AES_128_CBC_SHA256 TLS_PSK_AES_256_GCM_SHA384 TLS_PSK_CAMELLIA_128_GCM_SHA256 TLS_PSK_CAMELLIA_256_GCM_SHA384 TLS_PSK_AES_128_GCM_SHA256 TLS_PSK_NULL_SHA1 TLS_PSK_NULL_SHA256 TLS_PSK_CAMELLIA_128_CBC_SHA256 TLS_PSK_CAMELLIA_256_CBC_SHA384 TLS_PSK_AES_256_CBC_SHA384 TLS_PSK_NULL_SHA384 TLS_RSA_PSK_ARCFOUR_128_SHA1 TLS_RSA_PSK_3DES_EDE_CBC_SHA1 TLS_RSA_PSK_AES_128_CBC_SHA1 TLS_RSA_PSK_AES_256_CBC_SHA1 TLS_RSA_PSK_CAMELLIA_128_GCM_SHA256 TLS_RSA_PSK_CAMELLIA_256_GCM_SHA384 TLS_RSA_PSK_AES_128_GCM_SHA256 TLS_RSA_PSK_AES_128_CBC_SHA256 TLS_RSA_PSK_NULL_SHA1 TLS_RSA_PSK_NULL_SHA256 TLS_RSA_PSK_AES_256_GCM_SHA384 TLS_RSA_PSK_AES_256_CBC_SHA384 TLS_RSA_PSK_NULL_SHA384 TLS_RSA_PSK_CAMELLIA_128_CBC_SHA256 TLS_RSA_PSK_CAMELLIA_256_CBC_SHA384 TLS_DHE_PSK_ARCFOUR_128_SHA1 TLS_DHE_PSK_3DES_EDE_CBC_SHA1 TLS_DHE_PSK_AES_128_CBC_SHA1 TLS_DHE_PSK_AES_256_CBC_SHA1 TLS_DHE_PSK_AES_128_CBC_SHA256 TLS_DHE_PSK_AES_128_GCM_SHA256 TLS_DHE_PSK_NULL_SHA1 TLS_DHE_PSK_NULL_SHA256 TLS_DHE_PSK_NULL_SHA384 TLS_DHE_PSK_AES_256_CBC_SHA384 TLS_DHE_PSK_AES_256_GCM_SHA384 TLS_DHE_PSK_CAMELLIA_128_CBC_SHA256 TLS_DHE_PSK_CAMELLIA_256_CBC_SHA384 TLS_DHE_PSK_CAMELLIA_128_GCM_SHA256 TLS_DHE_PSK_CAMELLIA_256_GCM_SHA384 TLS_PSK_AES_128_CCM TLS_PSK_AES_256_CCM TLS_DHE_PSK_AES_128_CCM TLS_DHE_PSK_AES_256_CCM TLS_PSK_AES_128_CCM_8 TLS_PSK_AES_256_CCM_8 TLS_DHE_PSK_AES_128_CCM_8 TLS_DHE_PSK_AES_256_CCM_8 TLS_DHE_PSK_CHACHA20_POLY1305 TLS_ECDHE_PSK_CHACHA20_POLY1305 TLS_RSA_PSK_CHACHA20_POLY1305 TLS_PSK_CHACHA20_POLY1305 TLS_DH_ANON_ARCFOUR_128_MD5 TLS_DH_ANON_3DES_EDE_CBC_SHA1 TLS_DH_ANON_AES_128_CBC_SHA1 TLS_DH_ANON_AES_256_CBC_SHA1 TLS_DH_ANON_CAMELLIA_128_CBC_SHA256 TLS_DH_ANON_CAMELLIA_256_CBC_SHA256 TLS_DH_ANON_CAMELLIA_128_CBC_SHA1 TLS_DH_ANON_CAMELLIA_256_CBC_SHA1 TLS_DH_ANON_AES_128_CBC_SHA256 TLS_DH_ANON_AES_256_CBC_SHA256 TLS_DH_ANON_AES_128_GCM_SHA256 TLS_DH_ANON_AES_256_GCM_SHA384 TLS_DH_ANON_CAMELLIA_128_GCM_SHA256 TLS_DH_ANON_CAMELLIA_256_GCM_SHA384 TLS_ECDH_ANON_NULL_SHA1 TLS_ECDH_ANON_3DES_EDE_CBC_SHA1 TLS_ECDH_ANON_AES_128_CBC_SHA1 TLS_ECDH_ANON_AES_256_CBC_SHA1 TLS_ECDH_ANON_ARCFOUR_128_SHA1 TLS_SRP_SHA_3DES_EDE_CBC_SHA1 TLS_SRP_SHA_AES_128_CBC_SHA1 TLS_SRP_SHA_AES_256_CBC_SHA1 TLS_SRP_SHA_DSS_3DES_EDE_CBC_SHA1 TLS_SRP_SHA_RSA_3DES_EDE_CBC_SHA1 TLS_SRP_SHA_DSS_AES_128_CBC_SHA1 TLS_SRP_SHA_RSA_AES_128_CBC_SHA1 TLS_SRP_SHA_DSS_AES_256_CBC_SHA1 TLS_SRP_SHA_RSA_AES_256_CBC_SHA1
VERS-TLS1.0 VERS-TLS1.1 VERS-TLS1.2 VERS-TLS1.3 VERS-DTLS0.9 VERS-DTLS1.0 VERS-DTLS1.2
AES-256-CBC AES-192-CBC AES-128-CBC AES-128-GCM AES-256-GCM AES-128-CCM AES-256-CCM AES-128-CCM-8 AES-256-CCM-8 ARCFOUR-128 ESTREAM-SALSA20-256 SALSA20-256 CAMELLIA-256-CBC CAMELLIA-192-CBC CAMELLIA-128-CBC CHACHA20-POLY1305 CAMELLIA-128-GCM CAMELLIA-256-GCM GOST28147-TC26Z-CFB GOST28147-CPA-CFB GOST28147-CPB-CFB GOST28147-CPC-CFB GOST28147-CPD-CFB AES-128-CFB8 AES-192-CFB8 AES-256-CFB8 AES-128-XTS AES-256-XTS GOST28147-TC26Z-CNT 3DES-CBC DES-CBC RC2-40 NULL
SHA1 SHA256 SHA384 SHA512 SHA224 UMAC-96 UMAC-128 AEAD MD5 GOSTR341194 STREEBOG-256 STREEBOG-512 AES-CMAC-128 AES-CMAC-256 AES-GMAC-128 AES-GMAC-192 AES-GMAC-256 GOST28147-TC26Z-IMIT
ECDHE-RSA ECDHE-ECDSA RSA DHE-RSA DHE-DSS PSK RSA-PSK DHE-PSK ECDHE-PSK SRP-DSS SRP-RSA SRP ANON-DH ANON-ECDH RSA-EXPORT
GROUP-SECP192R1 GROUP-SECP224R1 GROUP-SECP256R1 GROUP-SECP384R1 GROUP-SECP521R1 GROUP-X25519 GROUP-FFDHE2048 GROUP-FFDHE3072 GROUP-FFDHE4096 GROUP-FFDHE6144 GROUP-FFDHE8192
RSA RSA-PSS RSA DSA GOST R 34.10-2012-512 GOST R 34.10-2012-256 GOST R 34.10-2001 EC/ECDSA EdDSA (Ed25519) DH ECDH (X25519)
SIGN-RSA-SHA256 SIGN-RSA-SHA384 SIGN-RSA-SHA512 SIGN-RSA-PSS-SHA256 SIGN-RSA-PSS-RSAE-SHA256 SIGN-RSA-PSS-SHA384 SIGN-RSA-PSS-RSAE-SHA384 SIGN-RSA-PSS-SHA512 SIGN-RSA-PSS-RSAE-SHA512 SIGN-EdDSA-Ed25519 SIGN-ECDSA-SHA256 SIGN-ECDSA-SHA384 SIGN-ECDSA-SHA512 SIGN-ECDSA-SECP256R1-SHA256 SIGN-ECDSA-SECP384R1-SHA384 SIGN-ECDSA-SECP521R1-SHA512 SIGN-ECDSA-SHA3-224 SIGN-ECDSA-SHA3-256 SIGN-ECDSA-SHA3-384 SIGN-ECDSA-SHA3-512 SIGN-RSA-SHA3-224 SIGN-RSA-SHA3-256 SIGN-RSA-SHA3-384 SIGN-RSA-SHA3-512 SIGN-DSA-SHA3-224 SIGN-DSA-SHA3-256 SIGN-DSA-SHA3-384 SIGN-DSA-SHA3-512 SIGN-RSA-RAW SIGN-RSA-SHA1 SIGN-RSA-SHA1 SIGN-RSA-SHA224 SIGN-RSA-RMD160 SIGN-DSA-SHA1 SIGN-DSA-SHA1 SIGN-DSA-SHA224 SIGN-DSA-SHA256 SIGN-RSA-MD5 SIGN-RSA-MD5 SIGN-RSA-MD2 SIGN-ECDSA-SHA1 SIGN-ECDSA-SHA224 SIGN-GOSTR341012-512 SIGN-GOSTR341012-256 SIGN-GOSTR341001 SIGN-DSA-SHA384 SIGN-DSA-SHA512