contrib/qemu: Import qemu block source code

This qemu block format source code and its minimal
dependency files will be used in the next patch to implement
a qemu-block format translator.

Change-Id: Ic87638972f7ea9b3df84d7a0539512a250c11c1c
BUG: 986775
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/5366
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/contrib/qemu/include/qemu/aes.h b/contrib/qemu/include/qemu/aes.h
new file mode 100644
index 00000000..e79c7074
--- /dev/null
+++ b/contrib/qemu/include/qemu/aes.h
@@ -0,0 +1,45 @@
+#ifndef QEMU_AES_H
+#define QEMU_AES_H
+
+#define AES_MAXNR 14
+#define AES_BLOCK_SIZE 16
+
+struct aes_key_st {
+    uint32_t rd_key[4 *(AES_MAXNR + 1)];
+    int rounds;
+};
+typedef struct aes_key_st AES_KEY;
+
+int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
+	AES_KEY *key);
+int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
+	AES_KEY *key);
+
+void AES_encrypt(const unsigned char *in, unsigned char *out,
+	const AES_KEY *key);
+void AES_decrypt(const unsigned char *in, unsigned char *out,
+	const AES_KEY *key);
+void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
+		     const unsigned long length, const AES_KEY *key,
+		     unsigned char *ivec, const int enc);
+
+/*
+AES_Te0[x] = S [x].[02, 01, 01, 03];
+AES_Te1[x] = S [x].[03, 02, 01, 01];
+AES_Te2[x] = S [x].[01, 03, 02, 01];
+AES_Te3[x] = S [x].[01, 01, 03, 02];
+AES_Te4[x] = S [x].[01, 01, 01, 01];
+
+AES_Td0[x] = Si[x].[0e, 09, 0d, 0b];
+AES_Td1[x] = Si[x].[0b, 0e, 09, 0d];
+AES_Td2[x] = Si[x].[0d, 0b, 0e, 09];
+AES_Td3[x] = Si[x].[09, 0d, 0b, 0e];
+AES_Td4[x] = Si[x].[01, 01, 01, 01];
+*/
+
+extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256],
+                      AES_Te3[256], AES_Te4[256];
+extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256],
+                      AES_Td3[256], AES_Td4[256];
+
+#endif