qcrypto_cipher_ivsize()
QNX SDP8.0QNX OS System Security GuideAPIConfiguration
Retrieve the cipher initialization vector (IV) size
Synopsis:
#include <qcrypto/qcrypto.h>
size_t qcrypto_cipher_ivsize(qcrypto_ctx_t *ctx)
Arguments:
- ctx
- The algorithm context object.
Library:
libqcryptoDescription:
The value returned is the default size that the algorithm supports. Although some cipher modes may support alternative values, in almost all cases, the default size is recommended. See the documentation for each cipher mode for additional details.
Returns:
The IV size in bytes.
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