1 files changed, 115 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_box/crypto_box_easy.c b/libs/libsodium/src/crypto_box/crypto_box_easy.c
new file mode 100644
index 0000000000..deb40b4083
--- /dev/null
+++ b/libs/libsodium/src/crypto_box/crypto_box_easy.c
@@ -0,0 +1,115 @@
+
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "core.h"
+#include "crypto_box.h"
+#include "crypto_secretbox.h"
+#include "private/common.h"
+#include "utils.h"
+
+int
+crypto_box_detached_afternm(unsigned char *c, unsigned char *mac,
+                            const unsigned char *m, unsigned long long mlen,
+                            const unsigned char *n, const unsigned char *k)
+{
+    return crypto_secretbox_detached(c, mac, m, mlen, n, k);
+}
+
+int
+crypto_box_detached(unsigned char *c, unsigned char *mac,
+                    const unsigned char *m, unsigned long long mlen,
+                    const unsigned char *n, const unsigned char *pk,
+                    const unsigned char *sk)
+{
+    unsigned char k[crypto_box_BEFORENMBYTES];
+    int           ret;
+
+    COMPILER_ASSERT(crypto_box_BEFORENMBYTES >= crypto_secretbox_KEYBYTES);
+    if (crypto_box_beforenm(k, pk, sk) != 0) {
+        return -1;
+    }
+    ret = crypto_box_detached_afternm(c, mac, m, mlen, n, k);
+    sodium_memzero(k, sizeof k);
+
+    return ret;
+}
+
+int
+crypto_box_easy_afternm(unsigned char *c, const unsigned char *m,
+                        unsigned long long mlen, const unsigned char *n,
+                        const unsigned char *k)
+{
+    if (mlen > crypto_box_MESSAGEBYTES_MAX) {
+        sodium_misuse();
+    }
+    return crypto_box_detached_afternm(c + crypto_box_MACBYTES, c, m, mlen, n,
+                                       k);
+}
+
+int
+crypto_box_easy(unsigned char *c, const unsigned char *m,
+                unsigned long long mlen, const unsigned char *n,
+                const unsigned char *pk, const unsigned char *sk)
+{
+    if (mlen > crypto_box_MESSAGEBYTES_MAX) {
+        sodium_misuse();
+    }
+    return crypto_box_detached(c + crypto_box_MACBYTES, c, m, mlen, n,
+                               pk, sk);
+}
+
+int
+crypto_box_open_detached_afternm(unsigned char *m, const unsigned char *c,
+                                 const unsigned char *mac,
+                                 unsigned long long clen,
+                                 const unsigned char *n,
+                                 const unsigned char *k)
+{
+    return crypto_secretbox_open_detached(m, c, mac, clen, n, k);
+}
+
+int
+crypto_box_open_detached(unsigned char *m, const unsigned char *c,
+                         const unsigned char *mac,
+                         unsigned long long clen, const unsigned char *n,
+                         const unsigned char *pk, const unsigned char *sk)
+{
+    unsigned char k[crypto_box_BEFORENMBYTES];
+    int           ret;
+
+    if (crypto_box_beforenm(k, pk, sk) != 0) {
+        return -1;
+    }
+    ret = crypto_box_open_detached_afternm(m, c, mac, clen, n, k);
+    sodium_memzero(k, sizeof k);
+
+    return ret;
+}
+
+int
+crypto_box_open_easy_afternm(unsigned char *m, const unsigned char *c,
+                             unsigned long long clen, const unsigned char *n,
+                             const unsigned char *k)
+{
+    if (clen < crypto_box_MACBYTES) {
+        return -1;
+    }
+    return crypto_box_open_detached_afternm(m, c + crypto_box_MACBYTES, c,
+                                            clen - crypto_box_MACBYTES,
+                                            n, k);
+}
+
+int
+crypto_box_open_easy(unsigned char *m, const unsigned char *c,
+                     unsigned long long clen, const unsigned char *n,
+                     const unsigned char *pk, const unsigned char *sk)
+{
+    if (clen < crypto_box_MACBYTES) {
+        return -1;
+    }
+    return crypto_box_open_detached(m, c + crypto_box_MACBYTES, c,
+                                    clen - crypto_box_MACBYTES,
+                                    n, pk, sk);
+}