Merge pull request sfackler#2011 from alex/chacha20poly1305-libressl

Expose chacha20_poly1305 on LibreSSL

Author: sfackler

openssl-sys/src/handwritten/evp.rs

@@ -367,7 +367,7 @@ extern "C" {
     pub fn EVP_aes_256_wrap_pad() -> *const EVP_CIPHER;
     #[cfg(all(ossl110, not(osslconf = "OPENSSL_NO_CHACHA")))]
     pub fn EVP_chacha20() -> *const EVP_CIPHER;
-    #[cfg(all(ossl110, not(osslconf = "OPENSSL_NO_CHACHA")))]
+    #[cfg(all(any(ossl110, libressl360), not(osslconf = "OPENSSL_NO_CHACHA")))]
     pub fn EVP_chacha20_poly1305() -> *const EVP_CIPHER;
     #[cfg(not(osslconf = "OPENSSL_NO_SEED"))]
     pub fn EVP_seed_cbc() -> *const EVP_CIPHER;

openssl/src/cipher.rs

@@ -435,7 +435,7 @@ impl Cipher {
         unsafe { CipherRef::from_ptr(ffi::EVP_chacha20() as *mut _) }
     }
 
-    #[cfg(all(ossl110, not(osslconf = "OPENSSL_NO_CHACHA")))]
+    #[cfg(all(any(ossl110, libressl360), not(osslconf = "OPENSSL_NO_CHACHA")))]
     pub fn chacha20_poly1305() -> &'static CipherRef {
         unsafe { CipherRef::from_ptr(ffi::EVP_chacha20_poly1305() as *mut _) }
     }

openssl/src/symm.rs

@@ -295,7 +295,7 @@ impl Cipher {
     }
 
     /// Requires OpenSSL 1.1.0 or newer.
-    #[cfg(all(ossl110, not(osslconf = "OPENSSL_NO_CHACHA")))]
+    #[cfg(all(any(ossl110, libressl360), not(osslconf = "OPENSSL_NO_CHACHA")))]
     pub fn chacha20_poly1305() -> Cipher {
         unsafe { Cipher(ffi::EVP_chacha20_poly1305()) }
     }
@@ -1493,7 +1493,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(ossl110)]
+    #[cfg(any(ossl110, libressl360))]
     fn test_chacha20_poly1305() {
         let key = "808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f";
         let iv = "070000004041424344454647";