HMAC_size

Return the output length in bytes of the digest used by an HMAC context (deprecated).

Synopsis

Declared in <openssl/hmac.h>

[[deprecated]]
size_t
HMAC_size(HMAC_CTX const* e);

WARNING

Deprecated. Use of this entity is allowed but discouraged.

Return Value

Digest output size in bytes, or 0 if e has no digest set.

Parameters

NameDescription
eHMAC context whose underlying hash size is queried.