TLSEXT_SIGALG_ecdsa_secp256r1_sha256
TLSEXT_SIGALG_ecdsa_secp256r1_sha256,
TLSEXT_SIGALG_ecdsa_secp256r1_sha256,
"ECDSA+SHA256", TLSEXT_SIGALG_ecdsa_secp256r1_sha256,
if (sig != TLSEXT_SIGALG_ecdsa_secp256r1_sha256
{ TLSEXT_SIGALG_ecdsa_secp256r1_sha256, TLSEXT_SIGALG_ecdsa_secp256r1_sha256_name },