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aes: Implement AES-128-CBC decryption function

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Implement a compatible AES-128-CBC decryption function as a counterpart
of the encryption function pulled from tegra20-common/crypto.c .

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut
2014-03-05 19:58:38 +01:00
committed by Tom Rini
parent 6e7b9f4fa0
commit dc24bb6ddb
2 changed files with 38 additions and 0 deletions
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10
include/aes.h
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@@ -63,4 +63,14 @@ void aes_decrypt(u8 *in, u8 *expkey, u8 *out);
*/
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_ */