From a4b6d9ce64f132e463b9091d0536913ddaf11516 Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@tuxdriver.com>
Date: Thu, 30 Apr 2020 16:57:35 -0400
Subject: [PATCH] Remove name conflict with libc encrypt
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Forgot to fixup the funciton name conflict with libcs encrypt() function
on power systems

Upstream-Status: Backport [https://github.com/nhorman/rng-tools/commit/a4b6d9ce64f132e463b9091d0536913ddaf11516]
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-by: Natanael Copa <ncopa@alpinelinux.org>
Reported-by: "Milan P. Stanić" <mps@arvanta.net>
---
 rngd_darn.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rngd_darn.c b/rngd_darn.c
index 35df7a1..9345895 100644
--- a/rngd_darn.c
+++ b/rngd_darn.c
@@ -109,7 +109,7 @@ static int init_openssl(struct rng *ent_src)
 	return 0;
 }
 
-int encrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
+static int osslencrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
             unsigned char *iv, unsigned char *ciphertext)
 {
         int len;
@@ -150,7 +150,7 @@ static inline int openssl_mangle(unsigned char *tmp, struct rng *ent_src)
         unsigned char ciphertext[CHUNK_SIZE * RDRAND_ROUNDS];
 
         /* Encrypt the plaintext */
-        ciphertext_len = encrypt (tmp, strlen(tmp), key, iv_buf,
+        ciphertext_len = osslencrypt (tmp, strlen(tmp), key, iv_buf,
                               ciphertext);
         printf("Calling mangle with len %d\n", ciphertext_len);
         if (!ciphertext_len)