diff --git a/src/asn1.rs b/src/asn1.rs
index b02f9ac..939a173 100644
--- a/src/asn1.rs
+++ b/src/asn1.rs
@@ -651,7 +651,7 @@ impl fmt::Debug for Asn1ObjectRef {
 }
 
 cfg_if! {
-    if #[cfg(any(ossl110, libressl273))] {
+    if #[cfg(any(ossl110, libressl273, boringssl))] {
         use ffi::ASN1_STRING_get0_data;
     } else {
         #[allow(bad_style)]
diff --git a/src/dsa.rs b/src/dsa.rs
index 5f59ba8..0aceeb5 100644
--- a/src/dsa.rs
+++ b/src/dsa.rs
@@ -7,6 +7,7 @@
 
 use cfg_if::cfg_if;
 use foreign_types::{ForeignType, ForeignTypeRef};
+#[cfg(not(boringssl))]
 use libc::c_int;
 use std::fmt;
 use std::mem;
@@ -283,7 +284,7 @@ impl<T> fmt::Debug for Dsa<T> {
 }
 
 cfg_if! {
-    if #[cfg(any(ossl110, libressl273))] {
+    if #[cfg(any(ossl110, libressl273, boringssl))] {
         use ffi::{DSA_get0_key, DSA_get0_pqg, DSA_set0_key, DSA_set0_pqg};
     } else {
         #[allow(bad_style)]
@@ -462,7 +463,7 @@ impl DsaSigRef {
 }
 
 cfg_if! {
-    if #[cfg(any(ossl110, libressl273))] {
+    if #[cfg(any(ossl110, libressl273, boringssl))] {
         use ffi::{DSA_SIG_set0, DSA_SIG_get0};
     } else {
         #[allow(bad_style)]
diff --git a/src/ecdsa.rs b/src/ecdsa.rs
index 0a960e7..f3b27b3 100644
--- a/src/ecdsa.rs
+++ b/src/ecdsa.rs
@@ -110,7 +110,7 @@ impl EcdsaSigRef {
 }
 
 cfg_if! {
-    if #[cfg(any(ossl110, libressl273))] {
+    if #[cfg(any(ossl110, libressl273, boringssl))] {
         use ffi::{ECDSA_SIG_set0, ECDSA_SIG_get0};
     } else {
         #[allow(bad_style)]
diff --git a/src/hash.rs b/src/hash.rs
index 8e27505..7f6fa89 100644
--- a/src/hash.rs
+++ b/src/hash.rs
@@ -43,7 +43,7 @@ use crate::nid::Nid;
 use crate::{cvt, cvt_p};
 
 cfg_if! {
-    if #[cfg(ossl110)] {
+    if #[cfg(any(ossl110, boringssl))] {
         use ffi::{EVP_MD_CTX_free, EVP_MD_CTX_new};
     } else {
         use ffi::{EVP_MD_CTX_create as EVP_MD_CTX_new, EVP_MD_CTX_destroy as EVP_MD_CTX_free};
diff --git a/src/md_ctx.rs b/src/md_ctx.rs
index c4d3f06..156f3c2 100644
--- a/src/md_ctx.rs
+++ b/src/md_ctx.rs
@@ -93,7 +93,7 @@ use std::convert::TryFrom;
 use std::ptr;
 
 cfg_if! {
-    if #[cfg(ossl110)] {
+    if #[cfg(any(ossl110, boringssl))] {
         use ffi::{EVP_MD_CTX_free, EVP_MD_CTX_new};
     } else {
         use ffi::{EVP_MD_CTX_create as EVP_MD_CTX_new, EVP_MD_CTX_destroy as EVP_MD_CTX_free};
diff --git a/src/rsa.rs b/src/rsa.rs
index 68cf64b..f155b12 100644
--- a/src/rsa.rs
+++ b/src/rsa.rs
@@ -581,7 +581,7 @@ impl<T> fmt::Debug for Rsa<T> {
 }
 
 cfg_if! {
-    if #[cfg(any(ossl110, libressl273))] {
+    if #[cfg(any(ossl110, libressl273, boringssl))] {
         use ffi::{
             RSA_get0_key, RSA_get0_factors, RSA_get0_crt_params, RSA_set0_key, RSA_set0_factors,
             RSA_set0_crt_params,