Return a non-owning pointer to the RSA-OAEP label configured on an EVP_PKEY_CTX.
Declared in <openssl/rsa.h>
int
EVP_PKEY_CTX_get0_rsa_oaep_label(
EVP_PKEY_CTX* ctx,
unsigned char** label);Label length in bytes on success, or a negative value for unsupported / failure.
| Name | Description |
|---|---|
| ctx | Context whose padding mode must be RSA_PKCS1_OAEP_PADDING. |
| label | Receives a pointer to the internal label bytes (do not free); may be NULL. |