cipher layer: IV length is not always block size
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1 changed files with 6 additions and 3 deletions
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@ -152,10 +152,13 @@ enum {
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POLARSSL_KEY_LENGTH_DES_EDE = 128,
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/** Key length, in bits (including parity), for DES in three-key EDE */
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POLARSSL_KEY_LENGTH_DES_EDE3 = 192,
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/** Maximum length of any IV, in bytes */
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POLARSSL_MAX_IV_LENGTH = 16,
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};
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/** Maximum length of any IV, in bytes */
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#define POLARSSL_MAX_IV_LENGTH 16
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/** Maximum block size of any cipher, in bytes */
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#define POLARSSL_MAX_BLOCK_LENGTH 16
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/**
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* Base cipher information. The non-mode specific functions and values.
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*/
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@ -248,7 +251,7 @@ typedef struct {
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int (*get_padding)( unsigned char *input, size_t ilen, size_t *data_len );
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/** Buffer for data that hasn't been encrypted yet */
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unsigned char unprocessed_data[POLARSSL_MAX_IV_LENGTH];
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unsigned char unprocessed_data[POLARSSL_MAX_BLOCK_LENGTH];
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/** Number of bytes that still need processing */
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size_t unprocessed_len;
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