[U-Boot] [PATCH v2] rsa: Support LibreSSL in rsa-sign.c

[parazyd]

At present rsa-sign.c can not be compiled with LibreSSL older than
2.7.0. This commit adjusts the guards in the rsa-sign.c to check for
LiBRESSL_VERSION_NUMBER where necessary.

Signed-off-by: parazyd <parazyd at dyne.org>
---
 lib/rsa/rsa-sign.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/rsa/rsa-sign.c b/lib/rsa/rsa-sign.c
index cfe09cc94c..ff866c6045 100644
--- a/lib/rsa/rsa-sign.c
+++ b/lib/rsa/rsa-sign.c
@@ -20,7 +20,7 @@
 #define HAVE_ERR_REMOVE_THREAD_STATE
 #endif
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || LIBRESSL_VERSION_NUMBER < 0x2070000fL
 static void RSA_get0_key(const RSA *r,
                  const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
 {
@@ -299,7 +299,7 @@ static int rsa_init(void)
 {
 	int ret;
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || LIBRESSL_VERSION_NUMBER < 0x2070000fL
 	ret = SSL_library_init();
 #else
 	ret = OPENSSL_init_ssl(0, NULL);
@@ -432,7 +432,7 @@ static int rsa_sign_with_key(RSA *rsa, struct checksum_algo *checksum_algo,
 		ret = rsa_err("Could not obtain signature");
 		goto err_sign;
 	}
-	#if OPENSSL_VERSION_NUMBER < 0x10100000L
+	#if OPENSSL_VERSION_NUMBER < 0x10100000L || LIBRESSL_VERSION_NUMBER < 0x2070000fL
 		EVP_MD_CTX_cleanup(context);
 	#else
 		EVP_MD_CTX_reset(context);
-- 
2.18.0