Verifies that the given signature is valid ECDSA signature of the supplied hash value using the specified public key.
Declared in <openssl/ec.h>
[[deprecated]]
int
ECDSA_verify(
int type,
unsigned char const* dgst,
int dgstlen,
unsigned char const* sig,
int siglen,
EC_KEY* eckey);Deprecated. Use of this entity is allowed but discouraged.
1 if the signature is valid, 0 if the signature is invalid and -1 on error
| Name | Description |
|---|---|
| type | this parameter is ignored |
| dgst | pointer to the hash value |
| dgstlen | length of the hash value |
| sig | pointer to the DER encoded signature |
| siglen | length of the DER encoded signature |
| eckey | EC_KEY object containing a public EC key |