summaryrefslogtreecommitdiff
path: root/include/aes.h
diff options
context:
space:
mode:
authorTom Rini <trini@ti.com>2014-04-17 14:33:25 -0400
committerTom Rini <trini@ti.com>2014-04-17 14:33:25 -0400
commit0f507779ca00d90cdd4bcc8252630370339b7ea6 (patch)
treea91a89ac67dcbd42c8a4357501d155a129fa1e5a /include/aes.h
parent0f605c1501f6e82553e9affc6e17876a85db408c (diff)
parentece0d370144fdecb6f3ed5738ffe96f5b12f9e96 (diff)
downloadu-boot-imx-0f507779ca00d90cdd4bcc8252630370339b7ea6.zip
u-boot-imx-0f507779ca00d90cdd4bcc8252630370339b7ea6.tar.gz
u-boot-imx-0f507779ca00d90cdd4bcc8252630370339b7ea6.tar.bz2
Merge branch 'next'
Diffstat (limited to 'include/aes.h')
-rw-r--r--include/aes.h49
1 files changed, 39 insertions, 10 deletions
diff --git a/include/aes.h b/include/aes.h
index ea06308..ee0e6c2 100644
--- a/include/aes.h
+++ b/include/aes.h
@@ -8,6 +8,13 @@
#ifndef _AES_REF_H_
#define _AES_REF_H_
+#ifdef USE_HOSTCC
+/* Define compat stuff for use in fw_* tools. */
+typedef unsigned char u8;
+typedef unsigned int u32;
+#define debug(...) do {} while (0)
+#endif
+
/*
* AES encryption library, with small code size, supporting only 128-bit AES
*
@@ -25,30 +32,52 @@ enum {
};
/**
+ * aes_expand_key() - Expand the AES key
+ *
* Expand a key into a key schedule, which is then used for the other
* operations.
*
- * \param key Key, of length AES_KEY_LENGTH bytes
- * \param expkey Buffer to place expanded key, AES_EXPAND_KEY_LENGTH
+ * @key Key, of length AES_KEY_LENGTH bytes
+ * @expkey Buffer to place expanded key, AES_EXPAND_KEY_LENGTH
*/
void aes_expand_key(u8 *key, u8 *expkey);
/**
- * Encrypt a single block of data
+ * aes_encrypt() - Encrypt single block of data with AES 128
*
- * in Input data
- * expkey Expanded key to use for encryption (from aes_expand_key())
- * out Output data
+ * @in Input data
+ * @expkey Expanded key to use for encryption (from aes_expand_key())
+ * @out Output data
*/
void aes_encrypt(u8 *in, u8 *expkey, u8 *out);
/**
- * Decrypt a single block of data
+ * aes_decrypt() - Decrypt single block of data with AES 128
*
- * in Input data
- * expkey Expanded key to use for decryption (from aes_expand_key())
- * out Output data
+ * @in Input data
+ * @expkey Expanded key to use for decryption (from aes_expand_key())
+ * @out Output data
*/
void aes_decrypt(u8 *in, u8 *expkey, u8 *out);
+/**
+ * aes_cbc_encrypt_blocks() - Encrypt multiple blocks of data with AES CBC.
+ *
+ * @key_exp Expanded key to use
+ * @src Source data to encrypt
+ * @dst Destination buffer
+ * @num_aes_blocks Number of AES blocks to encrypt
+ */
+void aes_cbc_encrypt_blocks(u8 *key_exp, u8 *src, u8 *dst, u32 num_aes_blocks);
+
+/**
+ * Decrypt multiple blocks of data with AES CBC.
+ *
+ * @key_exp Expanded key to use
+ * @src Source data to decrypt
+ * @dst Destination buffer
+ * @num_aes_blocks Number of AES blocks to decrypt
+ */
+void aes_cbc_decrypt_blocks(u8 *key_exp, u8 *src, u8 *dst, u32 num_aes_blocks);
+
#endif /* _AES_REF_H_ */