Initialize ctx for scrypt-based PBE using a library context.
Declared in <openssl/evp.h>
int
PKCS5_v2_scrypt_keyivgen_ex(
EVP_CIPHER_CTX* ctx,
char const* pass,
int passlen,
ASN1_TYPE* param,
EVP_CIPHER const* c,
EVP_MD const* md,
int en_de,
OSSL_LIB_CTX* libctx,
char const* propq);
1 on success, or 0 on failure.
| Name | Description |
|---|---|
| ctx | Cipher context to initialize. |
| pass | Password bytes. |
| passlen | Length of pass, or -1 if NUL-terminated. |
| param | ASN.1 parameters describing salt and scrypt settings. |
| c | Content cipher to initialize. |
| md | Unused for scrypt (may be NULL). |
| en_de | 1 to encrypt, or 0 to decrypt. |
| libctx | Library context for algorithm fetches, or NULL for the default. |
| propq | Property query for algorithm fetches, or NULL. |