Absorb more message bytes into an HMAC context (deprecated; prefer EVP_MAC_update).
Declared in <openssl/hmac.h>
[[deprecated]]
int
HMAC_Update(
HMAC_CTX* ctx,
unsigned char const* data,
size_t len);Deprecated. Use of this entity is allowed but discouraged.
1 on success, or 0 on failure.
| Name | Description |
|---|---|
| ctx | HMAC context initialized with HMAC_Init_ex(). |
| data | Next chunk of message bytes. |
| len | Number of bytes at data. |