kcapi_aead_ccm_nonce_to_iv(3)
convert CCM nonce into IV
Description
KCAPI_AEAD_CCM_NONCE
NAME
kcapi_aead_ccm_nonce_to_iv - convert CCM nonce into IV
SYNOPSIS
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int kcapi_aead_ccm_nonce_to_iv(const uint8_t * nonce, uint32_t noncelen, uint8_t ** iv, uint32_t * ivlen); |
ARGUMENTS
nonce
[in] buffer with nonce
noncelen
[in] length of nonce
iv
[out] newly allocated buffer with IV
ivlen
[out] length of IV
DESCRIPTION
This service function converts a CCM nonce value into an IV usable by the kernel crypto API.
Caller must free iv.
return 0 upon success; < 0 upon failure
AUTHOR
Stephan Mueller <smueller@chronox.de>
Author.