1 files changed, 78 insertions, 0 deletions
diff --git a/providers/common/ciphers/cipher_aes_gcm_hw.c b/providers/common/ciphers/cipher_aes_gcm_hw.c
new file mode 100644
index 0000000000..3f56e6861d
--- /dev/null
+++ b/providers/common/ciphers/cipher_aes_gcm_hw.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/* Dispatch functions for AES GCM mode */
+
+#include "cipher_locl.h"
+#include "internal/ciphers/cipher_gcm.h"
+
+static int generic_aes_gcm_initkey(PROV_GCM_CTX *ctx, const unsigned char *key,
+                                   size_t keylen)
+{
+    PROV_AES_GCM_CTX *actx = (PROV_AES_GCM_CTX *)ctx;
+    AES_KEY *ks = &actx->ks.ks;
+
+# ifdef HWAES_CAPABLE
+    if (HWAES_CAPABLE) {
+#  ifdef HWAES_ctr32_encrypt_blocks
+        GCM_HW_SET_KEY_CTR_FN(ks, HWAES_set_encrypt_key, HWAES_encrypt,
+                              HWAES_ctr32_encrypt_blocks);
+#  else
+        GCM_HW_SET_KEY_CTR_FN(ks, HWAES_set_encrypt_key, HWAES_encrypt, NULL);
+#  endif /* HWAES_ctr32_encrypt_blocks */
+    } else
+# endif /* HWAES_CAPABLE */
+
+# ifdef BSAES_CAPABLE
+    if (BSAES_CAPABLE) {
+        GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt,
+                              bsaes_ctr32_encrypt_blocks);
+    } else
+# endif /* BSAES_CAPABLE */
+
+# ifdef VPAES_CAPABLE
+    if (VPAES_CAPABLE) {
+        GCM_HW_SET_KEY_CTR_FN(ks, vpaes_set_encrypt_key, vpaes_encrypt, NULL);
+    } else
+# endif /* VPAES_CAPABLE */
+
+    {
+# ifdef AES_CTR_ASM
+        GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt,
+                              AES_ctr32_encrypt);
+# else
+        GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt, NULL);
+# endif /* AES_CTR_ASM */
+    }
+    ctx->key_set = 1;
+    return 1;
+}
+
+static const PROV_GCM_HW aes_gcm = {
+    generic_aes_gcm_initkey,
+    gcm_setiv,
+    gcm_aad_update,
+    gcm_cipher_update,
+    gcm_cipher_final,
+    gcm_one_shot
+};
+
+#if defined(S390X_aes_128_CAPABLE)
+# include "cipher_aes_gcm_hw_s390x.inc"
+#elif defined(AESNI_CAPABLE)
+# include "cipher_aes_gcm_hw_aesni.inc"
+#elif defined(SPARC_AES_CAPABLE)
+# include "cipher_aes_gcm_hw_t4.inc"
+#else
+const PROV_GCM_HW *PROV_AES_HW_gcm(size_t keybits)
+{
+    return &aes_gcm;
+}
+#endif
+