58     SCRYPT_PKEY_CTX *kctx;  in pkey_scrypt_init()  local
60     kctx = OPENSSL_zalloc(sizeof(*kctx));  in pkey_scrypt_init()
61     if (kctx == NULL) {  in pkey_scrypt_init()
70     kctx->N = 1 << 20;  in pkey_scrypt_init()
71     kctx->r = 8;  in pkey_scrypt_init()
72     kctx->p = 1;  in pkey_scrypt_init()
73     kctx->maxmem_bytes = 1025 * 1024 * 1024;  in pkey_scrypt_init()
75     ctx->data = kctx;  in pkey_scrypt_init()
82     SCRYPT_PKEY_CTX *kctx = ctx->data;  in pkey_scrypt_cleanup()  local
84     OPENSSL_clear_free(kctx->salt, kctx->salt_len);  in pkey_scrypt_cleanup()
85     OPENSSL_clear_free(kctx->pass, kctx->pass_len);  in pkey_scrypt_cleanup()
86     OPENSSL_free(kctx);  in pkey_scrypt_cleanup()
123     SCRYPT_PKEY_CTX *kctx = ctx->data;  in pkey_scrypt_ctrl()  local
128         return pkey_scrypt_set_membuf(&kctx->pass, &kctx->pass_len, p2, p1);  in pkey_scrypt_ctrl()
131         return pkey_scrypt_set_membuf(&kctx->salt, &kctx->salt_len, p2, p1);  in pkey_scrypt_ctrl()
137         kctx->N = u64_value;  in pkey_scrypt_ctrl()
144         kctx->r = u64_value;  in pkey_scrypt_ctrl()
151         kctx->p = u64_value;  in pkey_scrypt_ctrl()
158         kctx->maxmem_bytes = u64_value;  in pkey_scrypt_ctrl()
219     SCRYPT_PKEY_CTX *kctx = ctx->data;  in pkey_scrypt_derive()  local
221     if (kctx->pass == NULL) {  in pkey_scrypt_derive()
226     if (kctx->salt == NULL) {  in pkey_scrypt_derive()
231     return EVP_PBE_scrypt((char *)kctx->pass, kctx->pass_len, kctx->salt,  in pkey_scrypt_derive()
232                           kctx->salt_len, kctx->N, kctx->r, kctx->p,  in pkey_scrypt_derive()
233                           kctx->maxmem_bytes, key, *keylen);  in pkey_scrypt_derive()