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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)
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