2 files changed, 10 insertions, 9 deletions

diff --git a/src/lib/libcrypto/pem/pem.h b/src/lib/libcrypto/pem/pem.h
index d1916a1833..d4fb25d47a 100644
--- a/src/lib/libcrypto/pem/pem.h
+++ b/src/lib/libcrypto/pem/pem.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: pem.h,v 1.17 2016/09/04 16:22:54 jsing Exp $ */
+/* $OpenBSD: pem.h,v 1.18 2018/05/13 10:47:54 tb Exp $ */
 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -385,8 +385,8 @@ int	PEM_do_header (EVP_CIPHER_INFO *cipher, unsigned char *data, long *len,
 #ifndef OPENSSL_NO_BIO
 int     PEM_read_bio(BIO *bp, char **name, char **header,
             unsigned char **data, long *len);
-int     PEM_write_bio(BIO *bp, const char *name, char *hdr, unsigned char *data,
-            long len);
+int     PEM_write_bio(BIO *bp, const char *name, const char *hdr,
+            const unsigned char *data, long len);
 int     PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm,
             const char *name, BIO *bp, pem_password_cb *cb, void *u);
 void *  PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp,
@@ -403,8 +403,8 @@ int	PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
 
 int     PEM_read(FILE *fp, char **name, char **header,
             unsigned char **data, long *len);
-int     PEM_write(FILE *fp, char *name, char *hdr, unsigned char *data,
-            long len);
+int     PEM_write(FILE *fp, const char *name, const char *hdr,
+            const unsigned char *data, long len);
 void *  PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
             pem_password_cb *cb, void *u);
 int     PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp,
diff --git a/src/lib/libcrypto/pem/pem_lib.c b/src/lib/libcrypto/pem/pem_lib.c
index 89e9e9a7ec..bffd1fa954 100644
--- a/src/lib/libcrypto/pem/pem_lib.c
+++ b/src/lib/libcrypto/pem/pem_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pem_lib.c,v 1.46 2018/04/14 07:09:21 tb Exp $ */
+/* $OpenBSD: pem_lib.c,v 1.47 2018/05/13 10:47:54 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -564,7 +564,8 @@ load_iv(char **fromp, unsigned char *to, int num)
 }
 
 int
-PEM_write(FILE *fp, char *name, char *header, unsigned char *data, long len)
+PEM_write(FILE *fp, const char *name, const char *header,
+    const unsigned char *data, long len)
 {
         BIO *b;
         int ret;
@@ -580,8 +581,8 @@ PEM_write(FILE *fp, char *name, char *header, unsigned char *data, long len)
 }
 
 int
-PEM_write_bio(BIO *bp, const char *name, char *header, unsigned char *data,
-    long len)
+PEM_write_bio(BIO *bp, const char *name, const char *header,
+    const unsigned char *data, long len)
 {
         int nlen, n, i, j, outl;
         unsigned char *buf = NULL;