Here are all the available algorithms for use in a priority string in ThinLinc.
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-SSL3.0 VERS-TLS1.0 VERS-TLS1.1 VERS-TLS1.2 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 3DES-CBC DES-CBC RC2-40 NULL
ANON-DH ANON-ECDH RSA DHE-RSA DHE-DSS ECDHE-RSA ECDHE-ECDSA SRP-DSS SRP-RSA SRP PSK RSA-PSK DHE-PSK ECDHE-PSK RSA-EXPORT
CURVE-SECP192R1 CURVE-SECP224R1 CURVE-SECP256R1 CURVE-SECP384R1 CURVE-SECP521R1 CURVE-X25519
SIGN-RSA-SHA1 SIGN-RSA-SHA1 SIGN-RSA-SHA224 SIGN-RSA-SHA256 SIGN-RSA-SHA384 SIGN-RSA-SHA512 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-ECDSA-SHA256 SIGN-ECDSA-SHA384 SIGN-ECDSA-SHA512