#include <openssl/core_names.h>
#include <openssl/proverr.h>
#include <openssl/err.h>
+#include "internal/numbers.h"
#include "blake2_impl.h"
#include "prov/blake2.h"
-static const OSSL_PARAM known_blake2b_settable_ctx_params[] = {
- {OSSL_DIGEST_PARAM_XOFLEN, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0, 0},
+static const OSSL_PARAM known_blake2b_ctx_params[] = {
+ {OSSL_DIGEST_PARAM_SIZE, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0, 0},
OSSL_PARAM_END
};
+const OSSL_PARAM *ossl_blake2b_gettable_ctx_params(ossl_unused void *ctx,
+ ossl_unused void *pctx)
+{
+ return known_blake2b_ctx_params;
+}
+
const OSSL_PARAM *ossl_blake2b_settable_ctx_params(ossl_unused void *ctx,
ossl_unused void *pctx)
{
- return known_blake2b_settable_ctx_params;
+ return known_blake2b_ctx_params;
+}
+
+int ossl_blake2b_get_ctx_params(void *vctx, OSSL_PARAM params[])
+{
+ struct blake2b_md_data_st *mdctx = vctx;
+ OSSL_PARAM *p;
+
+ BLAKE2B_CTX *ctx = &mdctx->ctx;
+
+ if (ctx == NULL)
+ return 0;
+ if (params == NULL)
+ return 1;
+
+ p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_SIZE);
+ if (p != NULL
+ && !OSSL_PARAM_set_uint(p, (unsigned int)mdctx->params.digest_length)) {
+ ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
+ return 0;
+ }
+
+ return 1;
}
int ossl_blake2b_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
- size_t xoflen;
+ size_t size;
struct blake2b_md_data_st *mdctx = vctx;
const OSSL_PARAM *p;
if (params == NULL)
return 1;
- p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_XOFLEN);
+ p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SIZE);
if (p != NULL) {
- if (!OSSL_PARAM_get_size_t(p, &xoflen)) {
+ if (!OSSL_PARAM_get_size_t(p, &size)) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
return 0;
}
- ossl_blake2b_param_set_digest_length(&mdctx->params, (uint8_t)xoflen);
+ if (size < 1 || size > UINT8_MAX) {
+ ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DIGEST_SIZE);
+ return 0;
+ }
+ ossl_blake2b_param_set_digest_length(&mdctx->params, (uint8_t)size);
}
return 1;