X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Faes.h;h=6315c02aa93d9fc6a4cda3f52f4912c8ebe2e5a0;hb=HEAD;hp=ea063082790ec608726ecbd27fec12f82d02bf62;hpb=8b485ba12b0defa0c4ed3559789250238f8331a8;p=karo-tx-uboot.git

diff --git a/include/aes.h b/include/aes.h
index ea06308279..6315c02aa9 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 +32,63 @@ 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);
 
+/**
+ * Apply chain data to the destination using EOR
+ *
+ * Each array is of length AES_KEY_LENGTH.
+ *
+ * @cbc_chain_data	Chain data
+ * @src			Source data
+ * @dst			Destination data, which is modified here
+ */
+void aes_apply_cbc_chain_data(u8 *cbc_chain_data, u8 *src, u8 *dst);
+
+/**
+ * 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_ */