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authorAndreas Schneider <asn@cryptomilk.org>2018-06-30 14:23:05 +0200
committerAndreas Schneider <asn@cryptomilk.org>2018-06-30 14:37:04 +0200
commit6dd9303729b430af3eaf1014af5af99c9230e9c7 (patch)
tree66054cac0f7a195506a7d9f8ba2503fe955b9397 /src
parenta19513b87a7763a521a33771bac238118f9ec6e8 (diff)
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chachapoly: Use a function instead of an extern variable
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Diffstat (limited to 'src')
-rw-r--r--src/chachapoly.c5
-rw-r--r--src/libcrypto.c3
-rw-r--r--src/libgcrypt.c4
-rw-r--r--src/libmbedcrypto.c4
4 files changed, 8 insertions, 8 deletions
diff --git a/src/chachapoly.c b/src/chachapoly.c
index ab4378e6..904303ef 100644
--- a/src/chachapoly.c
+++ b/src/chachapoly.c
@@ -205,3 +205,8 @@ const struct ssh_cipher_struct chacha20poly1305_cipher = {
.aead_decrypt = chacha20_poly1305_aead_decrypt,
.cleanup = chacha20_cleanup
};
+
+const struct ssh_cipher_struct *ssh_get_chacha20poly1305_cipher(void)
+{
+ return &chacha20poly1305_cipher;
+}
diff --git a/src/libcrypto.c b/src/libcrypto.c
index 186d6105..0e30727f 100644
--- a/src/libcrypto.c
+++ b/src/libcrypto.c
@@ -60,7 +60,6 @@
#include "libssh/crypto.h"
-extern const struct ssh_cipher_struct chacha20poly1305_cipher;
struct ssh_mac_ctx_struct {
enum ssh_mac_e mac_type;
union {
@@ -764,7 +763,7 @@ void libcrypto_init(void)
cmp = strcmp(ssh_ciphertab[i].name, "chacha20-poly1305@openssh.com");
if (cmp == 0) {
memcpy(&ssh_ciphertab[i],
- &chacha20poly1305_cipher,
+ ssh_get_chacha20poly1305_cipher(),
sizeof(struct ssh_cipher_struct));
break;
}
diff --git a/src/libgcrypt.c b/src/libgcrypt.c
index 6bf4f8a0..4b84cd40 100644
--- a/src/libgcrypt.c
+++ b/src/libgcrypt.c
@@ -35,8 +35,6 @@
#ifdef HAVE_LIBGCRYPT
#include <gcrypt.h>
-extern const struct ssh_cipher_struct chacha20poly1305_cipher;
-
struct ssh_mac_ctx_struct {
enum ssh_mac_e mac_type;
gcry_md_hd_t ctx;
@@ -544,7 +542,7 @@ void libgcrypt_init(void)
cmp = strcmp(ssh_ciphertab[i].name, "chacha20-poly1305@openssh.com");
if (cmp == 0) {
memcpy(&ssh_ciphertab[i],
- &chacha20poly1305_cipher,
+ ssh_get_chacha20poly1305_cipher(),
sizeof(struct ssh_cipher_struct));
break;
}
diff --git a/src/libmbedcrypto.c b/src/libmbedcrypto.c
index 7e77c026..aa183f18 100644
--- a/src/libmbedcrypto.c
+++ b/src/libmbedcrypto.c
@@ -30,8 +30,6 @@
#ifdef HAVE_LIBMBEDCRYPTO
#include <mbedtls/md.h>
-extern const struct ssh_cipher_struct chacha20poly1305_cipher;
-
struct ssh_mac_ctx_struct {
enum ssh_mac_e mac_type;
mbedtls_md_context_t ctx;
@@ -964,7 +962,7 @@ void ssh_mbedtls_init(void)
cmp = strcmp(ssh_ciphertab[i].name, "chacha20-poly1305@openssh.com");
if (cmp == 0) {
memcpy(&ssh_ciphertab[i],
- &chacha20poly1305_cipher,
+ ssh_get_chacha20poly1305_cipher(),
sizeof(struct ssh_cipher_struct));
break;
}