+#define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
+#define ssl_handshake_start(s) \
+ (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
+#define ssl_set_handshake_header(s, htype, len) \
+ s->method->ssl3_enc->set_handshake_header(s, htype, len)
+#define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
+
+/* Values for enc_flags */
+
+/* Uses explicit IV for CBC mode */
+#define SSL_ENC_FLAG_EXPLICIT_IV 0x1
+/* Uses signature algorithms extension */
+#define SSL_ENC_FLAG_SIGALGS 0x2
+/* Uses SHA256 default PRF */
+#define SSL_ENC_FLAG_SHA256_PRF 0x4
+/* Is DTLS */
+#define SSL_ENC_FLAG_DTLS 0x8
+/* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2:
+ * may apply to others in future.
+ */
+#define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
+