Latest update.
This commit is contained in:
@@ -0,0 +1,220 @@
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/*
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* Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
|
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/core_numbers.h>
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#include <openssl/core_names.h>
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#include <openssl/params.h>
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#include "internal/blake2.h"
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#include "internal/cryptlib.h"
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#include "internal/providercommonerr.h"
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#include "internal/provider_algs.h"
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/*
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* Forward declaration of everything implemented here. This is not strictly
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* necessary for the compiler, but provides an assurance that the signatures
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* of the functions in the dispatch table are correct.
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*/
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static OSSL_OP_mac_newctx_fn blake2_mac_new;
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static OSSL_OP_mac_dupctx_fn blake2_mac_dup;
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static OSSL_OP_mac_freectx_fn blake2_mac_free;
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static OSSL_OP_mac_gettable_ctx_params_fn blake2_gettable_ctx_params;
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static OSSL_OP_mac_get_ctx_params_fn blake2_get_ctx_params;
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static OSSL_OP_mac_settable_ctx_params_fn blake2_mac_settable_ctx_params;
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static OSSL_OP_mac_set_ctx_params_fn blake2_mac_set_ctx_params;
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static OSSL_OP_mac_init_fn blake2_mac_init;
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static OSSL_OP_mac_update_fn blake2_mac_update;
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static OSSL_OP_mac_final_fn blake2_mac_final;
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struct blake2_mac_data_st {
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BLAKE2_CTX ctx;
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BLAKE2_PARAM params;
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unsigned char key[BLAKE2_KEYBYTES];
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};
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static size_t blake2_mac_size(void *vmacctx);
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static void *blake2_mac_new(void *unused_provctx)
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{
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struct blake2_mac_data_st *macctx = OPENSSL_zalloc(sizeof(*macctx));
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if (macctx != NULL) {
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BLAKE2_PARAM_INIT(&macctx->params);
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/* ctx initialization is deferred to BLAKE2b_Init() */
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}
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return macctx;
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}
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static void *blake2_mac_dup(void *vsrc)
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{
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struct blake2_mac_data_st *dst;
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struct blake2_mac_data_st *src = vsrc;
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dst = OPENSSL_zalloc(sizeof(*dst));
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if (dst == NULL)
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return NULL;
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*dst = *src;
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return dst;
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}
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static void blake2_mac_free(void *vmacctx)
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{
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struct blake2_mac_data_st *macctx = vmacctx;
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if (macctx != NULL) {
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OPENSSL_cleanse(macctx->key, sizeof(macctx->key));
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OPENSSL_free(macctx);
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}
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}
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static int blake2_mac_init(void *vmacctx)
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{
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struct blake2_mac_data_st *macctx = vmacctx;
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/* Check key has been set */
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if (macctx->params.key_length == 0) {
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ERR_raise(ERR_LIB_PROV, PROV_R_NO_KEY_SET);
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return 0;
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}
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return BLAKE2_INIT_KEY(&macctx->ctx, &macctx->params, macctx->key);
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}
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static int blake2_mac_update(void *vmacctx,
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const unsigned char *data, size_t datalen)
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{
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struct blake2_mac_data_st *macctx = vmacctx;
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return BLAKE2_UPDATE(&macctx->ctx, data, datalen);
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}
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static int blake2_mac_final(void *vmacctx,
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unsigned char *out, size_t *outl,
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size_t outsize)
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{
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struct blake2_mac_data_st *macctx = vmacctx;
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return BLAKE2_FINAL(out, &macctx->ctx);
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}
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static const OSSL_PARAM known_gettable_ctx_params[] = {
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OSSL_PARAM_size_t(OSSL_MAC_PARAM_SIZE, NULL),
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OSSL_PARAM_END
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};
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static const OSSL_PARAM *blake2_gettable_ctx_params(void)
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{
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return known_gettable_ctx_params;
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}
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static int blake2_get_ctx_params(void *vmacctx, OSSL_PARAM params[])
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{
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OSSL_PARAM *p;
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if ((p = OSSL_PARAM_locate(params, OSSL_MAC_PARAM_SIZE)) != NULL)
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return OSSL_PARAM_set_size_t(p, blake2_mac_size(vmacctx));
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return 1;
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}
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static const OSSL_PARAM known_settable_ctx_params[] = {
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OSSL_PARAM_size_t(OSSL_MAC_PARAM_SIZE, NULL),
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OSSL_PARAM_octet_string(OSSL_MAC_PARAM_KEY, NULL, 0),
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OSSL_PARAM_octet_string(OSSL_MAC_PARAM_CUSTOM, NULL, 0),
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OSSL_PARAM_octet_string(OSSL_MAC_PARAM_SALT, NULL, 0),
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OSSL_PARAM_END
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};
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static const OSSL_PARAM *blake2_mac_settable_ctx_params()
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{
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return known_settable_ctx_params;
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}
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/*
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* ALL parameters should be set before init().
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*/
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static int blake2_mac_set_ctx_params(void *vmacctx, const OSSL_PARAM params[])
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{
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struct blake2_mac_data_st *macctx = vmacctx;
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const OSSL_PARAM *p;
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if ((p = OSSL_PARAM_locate_const(params, OSSL_MAC_PARAM_SIZE)) != NULL) {
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size_t size;
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if (!OSSL_PARAM_get_size_t(p, &size)
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|| size < 1
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|| size > BLAKE2_OUTBYTES) {
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ERR_raise(ERR_LIB_PROV, PROV_R_NOT_XOF_OR_INVALID_LENGTH);
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return 0;
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}
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BLAKE2_PARAM_SET_DIGEST_LENGTH(&macctx->params, (uint8_t)size);
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}
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if ((p = OSSL_PARAM_locate_const(params, OSSL_MAC_PARAM_KEY)) != NULL) {
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size_t len;
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void *key_p = macctx->key;
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if (!OSSL_PARAM_get_octet_string(p, &key_p, BLAKE2_KEYBYTES, &len)) {
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ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH);
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return 0;
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}
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/* Pad with zeroes at the end */
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memset(macctx->key + len, 0, BLAKE2_KEYBYTES - len);
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BLAKE2_PARAM_SET_KEY_LENGTH(&macctx->params, (uint8_t)len);
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}
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if ((p = OSSL_PARAM_locate_const(params, OSSL_MAC_PARAM_CUSTOM))
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!= NULL) {
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/*
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* The OSSL_PARAM API doesn't provide direct pointer use, so we
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* must handle the OSSL_PARAM structure ourselves here
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*/
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if (p->data_size > BLAKE2_PERSONALBYTES) {
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ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_CUSTOM_LENGTH);
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return 0;
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}
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BLAKE2_PARAM_SET_PERSONAL(&macctx->params, p->data, p->data_size);
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}
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if ((p = OSSL_PARAM_locate_const(params, OSSL_MAC_PARAM_SALT)) != NULL) {
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/*
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* The OSSL_PARAM API doesn't provide direct pointer use, so we
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* must handle the OSSL_PARAM structure ourselves here as well
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*/
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if (p->data_size > BLAKE2_SALTBYTES) {
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ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_SALT_LENGTH);
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return 0;
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}
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BLAKE2_PARAM_SET_SALT(&macctx->params, p->data, p->data_size);
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}
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return 1;
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}
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static size_t blake2_mac_size(void *vmacctx)
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{
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struct blake2_mac_data_st *macctx = vmacctx;
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return macctx->params.digest_length;
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}
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const OSSL_DISPATCH BLAKE2_FUNCTIONS[] = {
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{ OSSL_FUNC_MAC_NEWCTX, (void (*)(void))blake2_mac_new },
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{ OSSL_FUNC_MAC_DUPCTX, (void (*)(void))blake2_mac_dup },
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{ OSSL_FUNC_MAC_FREECTX, (void (*)(void))blake2_mac_free },
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{ OSSL_FUNC_MAC_INIT, (void (*)(void))blake2_mac_init },
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{ OSSL_FUNC_MAC_UPDATE, (void (*)(void))blake2_mac_update },
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{ OSSL_FUNC_MAC_FINAL, (void (*)(void))blake2_mac_final },
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{ OSSL_FUNC_MAC_GETTABLE_CTX_PARAMS,
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(void (*)(void))blake2_gettable_ctx_params },
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{ OSSL_FUNC_MAC_GET_CTX_PARAMS, (void (*)(void))blake2_get_ctx_params },
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{ OSSL_FUNC_MAC_SETTABLE_CTX_PARAMS,
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(void (*)(void))blake2_mac_settable_ctx_params },
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{ OSSL_FUNC_MAC_SET_CTX_PARAMS, (void (*)(void))blake2_mac_set_ctx_params },
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{ 0, NULL }
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};
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@@ -0,0 +1,32 @@
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/*
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* Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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||||
* this file except in compliance with the License. You can obtain a copy
|
||||
* in the file LICENSE in the source distribution or at
|
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* https://www.openssl.org/source/license.html
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*/
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/* Constants */
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#define BLAKE2_CTX BLAKE2B_CTX
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#define BLAKE2_PARAM BLAKE2B_PARAM
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#define BLAKE2_KEYBYTES BLAKE2B_KEYBYTES
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#define BLAKE2_OUTBYTES BLAKE2B_OUTBYTES
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#define BLAKE2_PERSONALBYTES BLAKE2B_PERSONALBYTES
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#define BLAKE2_SALTBYTES BLAKE2B_SALTBYTES
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/* Function names */
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#define BLAKE2_PARAM_INIT blake2b_param_init
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#define BLAKE2_INIT_KEY blake2b_init_key
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#define BLAKE2_UPDATE blake2b_update
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#define BLAKE2_FINAL blake2b_final
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#define BLAKE2_PARAM_SET_DIGEST_LENGTH blake2b_param_set_digest_length
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#define BLAKE2_PARAM_SET_KEY_LENGTH blake2b_param_set_key_length
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#define BLAKE2_PARAM_SET_PERSONAL blake2b_param_set_personal
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#define BLAKE2_PARAM_SET_SALT blake2b_param_set_salt
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/* OSSL_DISPATCH symbol */
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#define BLAKE2_FUNCTIONS blake2bmac_functions
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#include "blake2_mac_impl.c"
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@@ -0,0 +1,31 @@
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/*
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* Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
||||
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
||||
* this file except in compliance with the License. You can obtain a copy
|
||||
* in the file LICENSE in the source distribution or at
|
||||
* https://www.openssl.org/source/license.html
|
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*/
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/* Constants */
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#define BLAKE2_CTX BLAKE2S_CTX
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#define BLAKE2_PARAM BLAKE2S_PARAM
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#define BLAKE2_KEYBYTES BLAKE2S_KEYBYTES
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#define BLAKE2_OUTBYTES BLAKE2S_OUTBYTES
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#define BLAKE2_PERSONALBYTES BLAKE2S_PERSONALBYTES
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#define BLAKE2_SALTBYTES BLAKE2S_SALTBYTES
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/* Function names */
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#define BLAKE2_PARAM_INIT blake2s_param_init
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#define BLAKE2_INIT_KEY blake2s_init_key
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#define BLAKE2_UPDATE blake2s_update
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#define BLAKE2_FINAL blake2s_final
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#define BLAKE2_PARAM_SET_DIGEST_LENGTH blake2s_param_set_digest_length
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#define BLAKE2_PARAM_SET_KEY_LENGTH blake2s_param_set_key_length
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#define BLAKE2_PARAM_SET_PERSONAL blake2s_param_set_personal
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#define BLAKE2_PARAM_SET_SALT blake2s_param_set_salt
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|
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/* OSSL_DISPATCH symbol */
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#define BLAKE2_FUNCTIONS blake2smac_functions
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#include "blake2_mac_impl.c"
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@@ -0,0 +1,15 @@
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LIBS=../../../libcrypto
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|
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IF[{- !$disabled{blake2} -}]
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SOURCE[../../../libcrypto]=blake2b_mac.c blake2s_mac.c
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ENDIF
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IF[{- !$disabled{siphash} -}]
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SOURCE[../../../libcrypto]=siphash_prov.c
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ENDIF
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IF[{- !$disabled{poly1305} -}]
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SOURCE[../../../libcrypto]=poly1305_prov.c
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ENDIF
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INCLUDE[../../../libcrypto]=. ../../../crypto
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@@ -0,0 +1,162 @@
|
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/*
|
||||
* Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
||||
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
||||
* this file except in compliance with the License. You can obtain a copy
|
||||
* in the file LICENSE in the source distribution or at
|
||||
* https://www.openssl.org/source/license.html
|
||||
*/
|
||||
|
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#include <openssl/core_numbers.h>
|
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#include <openssl/core_names.h>
|
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#include <openssl/params.h>
|
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#include <openssl/evp.h>
|
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#include <openssl/err.h>
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|
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#include "internal/poly1305.h"
|
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/*
|
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* TODO(3.0) when poly1305 has moved entirely to our providers, this
|
||||
* header should be moved to the provider include directory. For the
|
||||
* moment, crypto/poly1305/poly1305_ameth.c has us stuck.
|
||||
*/
|
||||
#include "../../../crypto/poly1305/poly1305_local.h"
|
||||
|
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#include "internal/providercommonerr.h"
|
||||
#include "internal/provider_algs.h"
|
||||
|
||||
/*
|
||||
* Forward declaration of everything implemented here. This is not strictly
|
||||
* necessary for the compiler, but provides an assurance that the signatures
|
||||
* of the functions in the dispatch table are correct.
|
||||
*/
|
||||
static OSSL_OP_mac_newctx_fn poly1305_new;
|
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static OSSL_OP_mac_dupctx_fn poly1305_dup;
|
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static OSSL_OP_mac_freectx_fn poly1305_free;
|
||||
static OSSL_OP_mac_gettable_params_fn poly1305_gettable_params;
|
||||
static OSSL_OP_mac_get_params_fn poly1305_get_params;
|
||||
static OSSL_OP_mac_settable_ctx_params_fn poly1305_settable_ctx_params;
|
||||
static OSSL_OP_mac_set_ctx_params_fn poly1305_set_ctx_params;
|
||||
static OSSL_OP_mac_init_fn poly1305_init;
|
||||
static OSSL_OP_mac_update_fn poly1305_update;
|
||||
static OSSL_OP_mac_final_fn poly1305_final;
|
||||
|
||||
struct poly1305_data_st {
|
||||
void *provctx;
|
||||
POLY1305 poly1305; /* Poly1305 data */
|
||||
};
|
||||
|
||||
static size_t poly1305_size(void);
|
||||
|
||||
static void *poly1305_new(void *provctx)
|
||||
{
|
||||
struct poly1305_data_st *ctx = OPENSSL_zalloc(sizeof(*ctx));
|
||||
|
||||
ctx->provctx = provctx;
|
||||
return ctx;
|
||||
}
|
||||
|
||||
static void poly1305_free(void *vmacctx)
|
||||
{
|
||||
OPENSSL_free(vmacctx);
|
||||
}
|
||||
|
||||
static void *poly1305_dup(void *vsrc)
|
||||
{
|
||||
struct poly1305_data_st *src = vsrc;
|
||||
struct poly1305_data_st *dst = poly1305_new(src->provctx);
|
||||
|
||||
if (dst == NULL)
|
||||
return NULL;
|
||||
|
||||
dst->poly1305 = src->poly1305;
|
||||
return dst;
|
||||
}
|
||||
|
||||
static size_t poly1305_size(void)
|
||||
{
|
||||
return POLY1305_DIGEST_SIZE;
|
||||
}
|
||||
|
||||
static int poly1305_init(void *vmacctx)
|
||||
{
|
||||
/* initialize the context in MAC_ctrl function */
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int poly1305_update(void *vmacctx, const unsigned char *data,
|
||||
size_t datalen)
|
||||
{
|
||||
struct poly1305_data_st *ctx = vmacctx;
|
||||
|
||||
/* poly1305 has nothing to return in its update function */
|
||||
Poly1305_Update(&ctx->poly1305, data, datalen);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int poly1305_final(void *vmacctx, unsigned char *out, size_t *outl,
|
||||
size_t outsize)
|
||||
{
|
||||
struct poly1305_data_st *ctx = vmacctx;
|
||||
|
||||
Poly1305_Final(&ctx->poly1305, out);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static const OSSL_PARAM known_gettable_params[] = {
|
||||
OSSL_PARAM_size_t(OSSL_MAC_PARAM_SIZE, NULL),
|
||||
OSSL_PARAM_END
|
||||
};
|
||||
static const OSSL_PARAM *poly1305_gettable_params(void)
|
||||
{
|
||||
return known_gettable_params;
|
||||
}
|
||||
|
||||
static int poly1305_get_params(OSSL_PARAM params[])
|
||||
{
|
||||
OSSL_PARAM *p;
|
||||
|
||||
if ((p = OSSL_PARAM_locate(params, OSSL_MAC_PARAM_SIZE)) != NULL)
|
||||
return OSSL_PARAM_set_size_t(p, poly1305_size());
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static const OSSL_PARAM known_settable_ctx_params[] = {
|
||||
OSSL_PARAM_octet_string(OSSL_MAC_PARAM_KEY, NULL, 0),
|
||||
OSSL_PARAM_END
|
||||
};
|
||||
static const OSSL_PARAM *poly1305_settable_ctx_params(void)
|
||||
{
|
||||
return known_settable_ctx_params;
|
||||
}
|
||||
|
||||
static int poly1305_set_ctx_params(void *vmacctx, const OSSL_PARAM *params)
|
||||
{
|
||||
struct poly1305_data_st *ctx = vmacctx;
|
||||
const OSSL_PARAM *p = NULL;
|
||||
|
||||
if ((p = OSSL_PARAM_locate_const(params, OSSL_MAC_PARAM_KEY)) != NULL) {
|
||||
if (p->data_type != OSSL_PARAM_OCTET_STRING
|
||||
|| p->data_size != POLY1305_KEY_SIZE) {
|
||||
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH);
|
||||
return 0;
|
||||
}
|
||||
Poly1305_Init(&ctx->poly1305, p->data);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
const OSSL_DISPATCH poly1305_functions[] = {
|
||||
{ OSSL_FUNC_MAC_NEWCTX, (void (*)(void))poly1305_new },
|
||||
{ OSSL_FUNC_MAC_DUPCTX, (void (*)(void))poly1305_dup },
|
||||
{ OSSL_FUNC_MAC_FREECTX, (void (*)(void))poly1305_free },
|
||||
{ OSSL_FUNC_MAC_INIT, (void (*)(void))poly1305_init },
|
||||
{ OSSL_FUNC_MAC_UPDATE, (void (*)(void))poly1305_update },
|
||||
{ OSSL_FUNC_MAC_FINAL, (void (*)(void))poly1305_final },
|
||||
{ OSSL_FUNC_MAC_GETTABLE_PARAMS, (void (*)(void))poly1305_gettable_params },
|
||||
{ OSSL_FUNC_MAC_GET_PARAMS, (void (*)(void))poly1305_get_params },
|
||||
{ OSSL_FUNC_MAC_SETTABLE_CTX_PARAMS,
|
||||
(void (*)(void))poly1305_settable_ctx_params },
|
||||
{ OSSL_FUNC_MAC_SET_CTX_PARAMS, (void (*)(void))poly1305_set_ctx_params },
|
||||
{ 0, NULL }
|
||||
};
|
||||
@@ -0,0 +1,173 @@
|
||||
/*
|
||||
* Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
||||
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
||||
* this file except in compliance with the License. You can obtain a copy
|
||||
* in the file LICENSE in the source distribution or at
|
||||
* https://www.openssl.org/source/license.html
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include <openssl/core_numbers.h>
|
||||
#include <openssl/core_names.h>
|
||||
#include <openssl/params.h>
|
||||
#include <openssl/evp.h>
|
||||
#include <openssl/err.h>
|
||||
|
||||
#include "internal/siphash.h"
|
||||
/*
|
||||
* TODO(3.0) when siphash has moved entirely to our providers, this
|
||||
* header should be moved to the provider include directory. For the
|
||||
* moment, crypto/siphash/siphash_ameth.c has us stuck.
|
||||
*/
|
||||
#include "../../../crypto/siphash/siphash_local.h"
|
||||
|
||||
#include "internal/providercommonerr.h"
|
||||
#include "internal/provider_algs.h"
|
||||
|
||||
/*
|
||||
* Forward declaration of everything implemented here. This is not strictly
|
||||
* necessary for the compiler, but provides an assurance that the signatures
|
||||
* of the functions in the dispatch table are correct.
|
||||
*/
|
||||
static OSSL_OP_mac_newctx_fn siphash_new;
|
||||
static OSSL_OP_mac_dupctx_fn siphash_dup;
|
||||
static OSSL_OP_mac_freectx_fn siphash_free;
|
||||
static OSSL_OP_mac_gettable_ctx_params_fn siphash_gettable_ctx_params;
|
||||
static OSSL_OP_mac_get_ctx_params_fn siphash_get_ctx_params;
|
||||
static OSSL_OP_mac_settable_ctx_params_fn siphash_settable_params;
|
||||
static OSSL_OP_mac_set_ctx_params_fn siphash_set_params;
|
||||
static OSSL_OP_mac_size_fn siphash_size;
|
||||
static OSSL_OP_mac_init_fn siphash_init;
|
||||
static OSSL_OP_mac_update_fn siphash_update;
|
||||
static OSSL_OP_mac_final_fn siphash_final;
|
||||
|
||||
struct siphash_data_st {
|
||||
void *provctx;
|
||||
SIPHASH siphash; /* Siphash data */
|
||||
};
|
||||
|
||||
static void *siphash_new(void *provctx)
|
||||
{
|
||||
struct siphash_data_st *ctx = OPENSSL_zalloc(sizeof(*ctx));
|
||||
|
||||
ctx->provctx = provctx;
|
||||
return ctx;
|
||||
}
|
||||
|
||||
static void siphash_free(void *vmacctx)
|
||||
{
|
||||
OPENSSL_free(vmacctx);
|
||||
}
|
||||
|
||||
static void *siphash_dup(void *vsrc)
|
||||
{
|
||||
struct siphash_data_st *ssrc = vsrc;
|
||||
struct siphash_data_st *sdst = siphash_new(ssrc->provctx);
|
||||
|
||||
if (sdst == NULL)
|
||||
return NULL;
|
||||
|
||||
sdst->siphash = ssrc->siphash;
|
||||
return sdst;
|
||||
}
|
||||
|
||||
static size_t siphash_size(void *vmacctx)
|
||||
{
|
||||
struct siphash_data_st *ctx = vmacctx;
|
||||
|
||||
return SipHash_hash_size(&ctx->siphash);
|
||||
}
|
||||
|
||||
static int siphash_init(void *vmacctx)
|
||||
{
|
||||
/* Not much to do here, actual initialization happens through controls */
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int siphash_update(void *vmacctx, const unsigned char *data,
|
||||
size_t datalen)
|
||||
{
|
||||
struct siphash_data_st *ctx = vmacctx;
|
||||
|
||||
SipHash_Update(&ctx->siphash, data, datalen);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int siphash_final(void *vmacctx, unsigned char *out, size_t *outl,
|
||||
size_t outsize)
|
||||
{
|
||||
struct siphash_data_st *ctx = vmacctx;
|
||||
size_t hlen = siphash_size(ctx);
|
||||
|
||||
if (outsize < hlen)
|
||||
return 0;
|
||||
|
||||
*outl = hlen;
|
||||
return SipHash_Final(&ctx->siphash, out, hlen);
|
||||
}
|
||||
|
||||
static const OSSL_PARAM known_gettable_ctx_params[] = {
|
||||
OSSL_PARAM_size_t(OSSL_MAC_PARAM_SIZE, NULL),
|
||||
OSSL_PARAM_END
|
||||
};
|
||||
static const OSSL_PARAM *siphash_gettable_ctx_params(void)
|
||||
{
|
||||
return known_gettable_ctx_params;
|
||||
}
|
||||
|
||||
static int siphash_get_ctx_params(void *vmacctx, OSSL_PARAM params[])
|
||||
{
|
||||
OSSL_PARAM *p;
|
||||
|
||||
if ((p = OSSL_PARAM_locate(params, OSSL_MAC_PARAM_SIZE)) != NULL)
|
||||
return OSSL_PARAM_set_size_t(p, siphash_size(vmacctx));
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static const OSSL_PARAM known_settable_ctx_params[] = {
|
||||
OSSL_PARAM_size_t(OSSL_MAC_PARAM_SIZE, NULL),
|
||||
OSSL_PARAM_octet_string(OSSL_MAC_PARAM_KEY, NULL, 0),
|
||||
OSSL_PARAM_END
|
||||
};
|
||||
static const OSSL_PARAM *siphash_settable_params(void)
|
||||
{
|
||||
return known_settable_ctx_params;
|
||||
}
|
||||
|
||||
static int siphash_set_params(void *vmacctx, const OSSL_PARAM *params)
|
||||
{
|
||||
struct siphash_data_st *ctx = vmacctx;
|
||||
const OSSL_PARAM *p = NULL;
|
||||
|
||||
if ((p = OSSL_PARAM_locate_const(params, OSSL_MAC_PARAM_SIZE)) != NULL) {
|
||||
size_t size;
|
||||
|
||||
if (!OSSL_PARAM_get_size_t(p, &size)
|
||||
|| !SipHash_set_hash_size(&ctx->siphash, size))
|
||||
return 0;
|
||||
}
|
||||
if ((p = OSSL_PARAM_locate_const(params, OSSL_MAC_PARAM_KEY)) != NULL)
|
||||
if (p->data_type != OSSL_PARAM_OCTET_STRING
|
||||
|| p->data_size != SIPHASH_KEY_SIZE
|
||||
|| !SipHash_Init(&ctx->siphash, p->data, 0, 0))
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
const OSSL_DISPATCH siphash_functions[] = {
|
||||
{ OSSL_FUNC_MAC_NEWCTX, (void (*)(void))siphash_new },
|
||||
{ OSSL_FUNC_MAC_DUPCTX, (void (*)(void))siphash_dup },
|
||||
{ OSSL_FUNC_MAC_FREECTX, (void (*)(void))siphash_free },
|
||||
{ OSSL_FUNC_MAC_INIT, (void (*)(void))siphash_init },
|
||||
{ OSSL_FUNC_MAC_UPDATE, (void (*)(void))siphash_update },
|
||||
{ OSSL_FUNC_MAC_FINAL, (void (*)(void))siphash_final },
|
||||
{ OSSL_FUNC_MAC_GETTABLE_CTX_PARAMS,
|
||||
(void (*)(void))siphash_gettable_ctx_params },
|
||||
{ OSSL_FUNC_MAC_GET_CTX_PARAMS, (void (*)(void))siphash_get_ctx_params },
|
||||
{ OSSL_FUNC_MAC_SETTABLE_CTX_PARAMS,
|
||||
(void (*)(void))siphash_settable_params },
|
||||
{ OSSL_FUNC_MAC_SET_CTX_PARAMS, (void (*)(void))siphash_set_params },
|
||||
{ 0, NULL }
|
||||
};
|
||||
Reference in New Issue
Block a user