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- Changed interface for AES and Camellia setkey functions to indicate invalid key lengths.

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This commit is contained in:
Paul Bakker
2009-07-27 21:03:45 +00:00
parent 33768bf19b
commit 2b222c830b
9 changed files with 182 additions and 129 deletions
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10
include/polarssl/aes.h
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@@ -25,6 +25,8 @@
#define AES_ENCRYPT 1
#define AES_DECRYPT 0
#define POLARSSL_ERR_AES_INVALID_KEY_LENGTH 0x0800
/**
* \brief AES context structure
*/
@@ -46,8 +48,10 @@ extern "C" {
* \param ctx AES context to be initialized
* \param key encryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
*/
void aes_setkey_enc( aes_context *ctx, unsigned char *key, int keysize );
int aes_setkey_enc( aes_context *ctx, unsigned char *key, int keysize );
/**
* \brief AES key schedule (decryption)
@@ -55,8 +59,10 @@ void aes_setkey_enc( aes_context *ctx, unsigned char *key, int keysize );
* \param ctx AES context to be initialized
* \param key decryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
*/
void aes_setkey_dec( aes_context *ctx, unsigned char *key, int keysize );
int aes_setkey_dec( aes_context *ctx, unsigned char *key, int keysize );
/**
* \brief AES-ECB block encryption/decryption