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Added cipher_info_from_values() to cipher layer (Search by ID+keylen+mode)

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This commit is contained in:
Paul Bakker 2013-09-09 00:08:26 +02:00
parent 5e0efa7ef5
commit f46b6955e3
2 changed files with 195 additions and 0 deletions
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16
include/polarssl/cipher.h
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@ -285,6 +285,22 @@ const cipher_info_t *cipher_info_from_string( const char *cipher_name );
*/
const cipher_info_t *cipher_info_from_type( const cipher_type_t cipher_type );
/**
* \brief Returns the cipher information structure associated
* with the given cipher id, key size and mode.
*
* \param cipher_id Id of the cipher to search for
* (e.g. POLARSSL_CIPHER_ID_AES)
* \param key_length Length of the key in bits
* \param mode Cipher mode (e.g. POLARSSL_MODE_CBC)
*
* \return the cipher information structure associated with the
* given cipher_type, or NULL if not found.
*/
const cipher_info_t *cipher_info_from_values( const cipher_id_t cipher_id,
int key_length,
const cipher_mode_t mode );
/**
* \brief Initialises and fills the cipher context structure with
* the appropriate values.