1 files changed, 90 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_onetimeauth/poly1305/onetimeauth_poly1305.c b/libs/libsodium/src/crypto_onetimeauth/poly1305/onetimeauth_poly1305.c
new file mode 100644
index 0000000000..d5e2efa297
--- /dev/null
+++ b/libs/libsodium/src/crypto_onetimeauth/poly1305/onetimeauth_poly1305.c
@@ -0,0 +1,90 @@
+
+#include "onetimeauth_poly1305.h"
+#include "crypto_onetimeauth_poly1305.h"
+#include "private/common.h"
+#include "private/implementations.h"
+#include "randombytes.h"
+#include "runtime.h"
+
+#include "donna/poly1305_donna.h"
+#if defined(HAVE_TI_MODE) && defined(HAVE_EMMINTRIN_H)
+# include "sse2/poly1305_sse2.h"
+#endif
+
+static const crypto_onetimeauth_poly1305_implementation *implementation =
+    &crypto_onetimeauth_poly1305_donna_implementation;
+
+int
+crypto_onetimeauth_poly1305(unsigned char *out, const unsigned char *in,
+                            unsigned long long inlen, const unsigned char *k)
+{
+    return implementation->onetimeauth(out, in, inlen, k);
+}
+
+int
+crypto_onetimeauth_poly1305_verify(const unsigned char *h,
+                                   const unsigned char *in,
+                                   unsigned long long   inlen,
+                                   const unsigned char *k)
+{
+    return implementation->onetimeauth_verify(h, in, inlen, k);
+}
+
+int
+crypto_onetimeauth_poly1305_init(crypto_onetimeauth_poly1305_state *state,
+                                 const unsigned char *key)
+{
+    return implementation->onetimeauth_init(state, key);
+}
+
+int
+crypto_onetimeauth_poly1305_update(crypto_onetimeauth_poly1305_state *state,
+                                   const unsigned char *in,
+                                   unsigned long long inlen)
+{
+    return implementation->onetimeauth_update(state, in, inlen);
+}
+
+int
+crypto_onetimeauth_poly1305_final(crypto_onetimeauth_poly1305_state *state,
+                                  unsigned char *out)
+{
+    return implementation->onetimeauth_final(state, out);
+}
+
+size_t
+crypto_onetimeauth_poly1305_bytes(void)
+{
+    return crypto_onetimeauth_poly1305_BYTES;
+}
+
+size_t
+crypto_onetimeauth_poly1305_keybytes(void)
+{
+    return crypto_onetimeauth_poly1305_KEYBYTES;
+}
+
+size_t
+crypto_onetimeauth_poly1305_statebytes(void)
+{
+    return sizeof(crypto_onetimeauth_poly1305_state);
+}
+
+void
+crypto_onetimeauth_poly1305_keygen(
+    unsigned char k[crypto_onetimeauth_poly1305_KEYBYTES])
+{
+    randombytes_buf(k, crypto_onetimeauth_poly1305_KEYBYTES);
+}
+
+int
+_crypto_onetimeauth_poly1305_pick_best_implementation(void)
+{
+    implementation = &crypto_onetimeauth_poly1305_donna_implementation;
+#if defined(HAVE_TI_MODE) && defined(HAVE_EMMINTRIN_H)
+    if (sodium_runtime_has_sse2()) {
+        implementation = &crypto_onetimeauth_poly1305_sse2_implementation;
+    }
+#endif
+    return 0;
+}