Update from 1.0.0-stable.
diff --git a/ssl/ssl.h b/ssl/ssl.h
index 09385a6..8f1cf1c 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -1580,6 +1580,9 @@
 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
 int SSL_set_trust(SSL *s, int trust);
 
+int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
+int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
+
 void	SSL_free(SSL *ssl);
 int 	SSL_accept(SSL *ssl);
 int 	SSL_connect(SSL *ssl);
diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 7b911ae..49f8ca4 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -486,6 +486,16 @@
 	return X509_VERIFY_PARAM_set_trust(s->param, trust);
 	}
 
+int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
+	{
+	return X509_VERIFY_PARAM_set1(ctx->param, vpm);
+	}
+
+int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
+	{
+	return X509_VERIFY_PARAM_set1(ssl->param, vpm);
+	}
+
 void SSL_free(SSL *s)
 	{
 	int i;