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-rw-r--r--lib/aes.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/lib/aes.c b/lib/aes.c
index 05c97cd740..9d7a0a1c11 100644
--- a/lib/aes.c
+++ b/lib/aes.c
@@ -593,16 +593,7 @@ static void debug_print_vector(char *name, u32 num_bytes, u8 *data)
#endif
}
-/**
- * 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
- */
-static void apply_cbc_chain_data(u8 *cbc_chain_data, u8 *src, u8 *dst)
+void aes_apply_cbc_chain_data(u8 *cbc_chain_data, u8 *src, u8 *dst)
{
int i;
@@ -623,7 +614,7 @@ void aes_cbc_encrypt_blocks(u8 *key_exp, u8 *src, u8 *dst, u32 num_aes_blocks)
debug_print_vector("AES Src", AES_KEY_LENGTH, src);
/* Apply the chain data */
- apply_cbc_chain_data(cbc_chain_data, src, tmp_data);
+ aes_apply_cbc_chain_data(cbc_chain_data, src, tmp_data);
debug_print_vector("AES Xor", AES_KEY_LENGTH, tmp_data);
/* Encrypt the AES block */
@@ -655,7 +646,7 @@ void aes_cbc_decrypt_blocks(u8 *key_exp, u8 *src, u8 *dst, u32 num_aes_blocks)
debug_print_vector("AES Xor", AES_KEY_LENGTH, tmp_data);
/* Apply the chain data */
- apply_cbc_chain_data(cbc_chain_data, tmp_data, dst);
+ aes_apply_cbc_chain_data(cbc_chain_data, tmp_data, dst);
debug_print_vector("AES Dst", AES_KEY_LENGTH, dst);
/* Update pointers for next loop. */
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