#define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403
#define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503
#define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603
+#define TLSEXT_SIGALG_ecdsa_sha224 0x0303
#define TLSEXT_SIGALG_ecdsa_sha1 0x0203
#define TLSEXT_SIGALG_rsa_pss_sha256 0x0804
#define TLSEXT_SIGALG_rsa_pss_sha384 0x0805
#define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401
#define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501
#define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601
+#define TLSEXT_SIGALG_rsa_pkcs1_sha224 0x0301
#define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201
#define TLSEXT_SIGALG_dsa_sha256 0x0402
#define TLSEXT_SIGALG_dsa_sha384 0x0502
#define TLSEXT_SIGALG_dsa_sha512 0x0602
+#define TLSEXT_SIGALG_dsa_sha224 0x0302
#define TLSEXT_SIGALG_dsa_sha1 0x0202
#define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee
#define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef