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aes: xts: Rename iv to data_unit

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XTS doesn't have an IV, it has a "Data Unit". Rename iv for parity with the
XTS standard.
This commit is contained in:
Jaeden Amero 2018-05-30 15:23:24 +01:00
parent d82cd860b2
commit cd9fc5e541
3 changed files with 14 additions and 13 deletions
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6
include/mbedtls/aes.h
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@ -290,7 +290,7 @@ int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
*
* AES-XTS encrypts or decrypts blocks based on their location as
* defined by a data unit number. The data unit number must be
* provided by \p iv.
* provided by \p data_unit.
*
* NIST SP 800-38E limits the maximum size of a data unit to 2^20
* AES blocks. If the data unit is larger than this, this function
@ -302,7 +302,7 @@ int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
* \param length The length of a data unit in bytes. This can be any
* length between 16 bytes and 2^24 bytes inclusive
* (between 1 and 2^20 block cipher blocks).
* \param iv The address of the data unit encoded as an array of 16
* \param data_unit The address of the data unit encoded as an array of 16
* bytes in little-endian format. For disk encryption, this
* is typically the index of the block device sector that
* contains the data.
@ -321,7 +321,7 @@ int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
int mbedtls_aes_crypt_xts( mbedtls_aes_xts_context *ctx,
int mode,
size_t length,
const unsigned char iv[16],
const unsigned char data_unit[16],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_XTS */