gnutls_hash_copy - API function
gnutls_hash_hd_t gnutls_hash_copy(gnutls_hash_hd_t handle);
- gnutls_hash_hd_t handle
- is a gnutls_hash_hd_t type
This function will create a copy of Message Digest context, containing all its current state. Copying contexts for Message Digests registered using gnutls_crypto_register_digest() is not supported and will always result in an error. In addition to that, some of the Message Digest implementations do not support this operation. Applications should check the return value and provide a proper fallback.
new Message Digest context or NULL in case of an error.
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