Finish a verify operation by checking sigbuf against the digested data.
Declared in <openssl/evp.h>
int
EVP_VerifyFinal(
EVP_MD_CTX* ctx,
unsigned char const* sigbuf,
unsigned int siglen,
EVP_PKEY* pkey);1 if the signature is valid, 0 if it is invalid, or a negative value on error.
| Name | Description |
|---|---|
| ctx | Digest/verify context that has absorbed the message via EVP_DigestUpdate(). |
| sigbuf | Signature bytes to verify. |
| siglen | Length of sigbuf in bytes. |
| pkey | Public key used for verification. |