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authorDaniel P. Berrange <berrange@redhat.com>2015-07-01 18:10:30 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2015-07-07 12:04:13 +0200
commit6f2945cde60545aae7f31ab9d5ef29531efbc94f (patch)
treec1859c153b35e1c4e104b1161dbc376827d88f7b /include/crypto
parentddbb0d09661f5fce21b335ba9aea8202d189b98e (diff)
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crypto: move built-in AES implementation into crypto/
To prepare for a generic internal cipher API, move the built-in AES implementation into the crypto/ directory Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1435770638-25715-3-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/aes.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/include/crypto/aes.h b/include/crypto/aes.h
new file mode 100644
index 0000000..a006da2
--- /dev/null
+++ b/include/crypto/aes.h
@@ -0,0 +1,68 @@
+#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;
+
+/* FreeBSD has its own AES_set_decrypt_key in -lcrypto, avoid conflicts */
+#ifdef __FreeBSD__
+#define AES_set_encrypt_key QEMU_AES_set_encrypt_key
+#define AES_set_decrypt_key QEMU_AES_set_decrypt_key
+#define AES_encrypt QEMU_AES_encrypt
+#define AES_decrypt QEMU_AES_decrypt
+#define AES_cbc_encrypt QEMU_AES_cbc_encrypt
+#endif
+
+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);
+
+extern const uint8_t AES_sbox[256];
+extern const uint8_t AES_isbox[256];
+
+/* AES ShiftRows and InvShiftRows */
+extern const uint8_t AES_shifts[16];
+extern const uint8_t AES_ishifts[16];
+
+/* AES InvMixColumns */
+/* AES_imc[x][0] = [x].[0e, 09, 0d, 0b]; */
+/* AES_imc[x][1] = [x].[0b, 0e, 09, 0d]; */
+/* AES_imc[x][2] = [x].[0d, 0b, 0e, 09]; */
+/* AES_imc[x][3] = [x].[09, 0d, 0b, 0e]; */
+extern const uint32_t AES_imc[256][4];
+
+/*
+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