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Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c')
-rw-r--r--external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c
new file mode 100644
index 00000000..f68334ef
--- /dev/null
+++ b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c
@@ -0,0 +1,35 @@
+#include "api.h"
+#include "crypto_onetimeauth_poly1305.h"
+#include "crypto_stream_xsalsa20.h"
+
+int crypto_secretbox(
+ unsigned char *c,
+ const unsigned char *m,unsigned long long mlen,
+ const unsigned char *n,
+ const unsigned char *k
+)
+{
+ int i;
+ if (mlen < 32) return -1;
+ crypto_stream_xsalsa20_xor(c,m,mlen,n,k);
+ crypto_onetimeauth_poly1305(c + 16,c + 32,mlen - 32,c);
+ for (i = 0;i < 16;++i) c[i] = 0;
+ return 0;
+}
+
+int crypto_secretbox_open(
+ unsigned char *m,
+ const unsigned char *c,unsigned long long clen,
+ const unsigned char *n,
+ const unsigned char *k
+)
+{
+ int i;
+ unsigned char subkey[32];
+ if (clen < 32) return -1;
+ crypto_stream_xsalsa20(subkey,32,n,k);
+ if (crypto_onetimeauth_poly1305_verify(c + 16,c + 32,clen - 32,subkey) != 0) return -1;
+ crypto_stream_xsalsa20_xor(m,c,clen,n,k);
+ for (i = 0;i < 32;++i) m[i] = 0;
+ return 0;
+}