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-rw-r--r--src/crypto/evp/p_hmac.c223
1 files changed, 0 insertions, 223 deletions
diff --git a/src/crypto/evp/p_hmac.c b/src/crypto/evp/p_hmac.c
deleted file mode 100644
index 7d3254a..0000000
--- a/src/crypto/evp/p_hmac.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2007.
- */
-/* ====================================================================
- * Copyright (c) 2007 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com). */
-
-#include <openssl/evp.h>
-
-#include <string.h>
-
-#include <openssl/asn1.h>
-#include <openssl/err.h>
-#include <openssl/hmac.h>
-#include <openssl/mem.h>
-#include <openssl/obj.h>
-
-#include "internal.h"
-#include "../digest/internal.h"
-
-
-typedef struct {
- const EVP_MD *md; /* MD for HMAC use */
- ASN1_OCTET_STRING ktmp; /* Temp storage for key */
- HMAC_CTX ctx;
-} HMAC_PKEY_CTX;
-
-static int pkey_hmac_init(EVP_PKEY_CTX *ctx) {
- HMAC_PKEY_CTX *hctx;
- hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX));
- if (!hctx) {
- return 0;
- }
- memset(hctx, 0, sizeof(HMAC_PKEY_CTX));
- hctx->ktmp.type = V_ASN1_OCTET_STRING;
- HMAC_CTX_init(&hctx->ctx);
-
- ctx->data = hctx;
-
- return 1;
-}
-
-static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) {
- HMAC_PKEY_CTX *sctx, *dctx;
- if (!pkey_hmac_init(dst)) {
- return 0;
- }
- sctx = src->data;
- dctx = dst->data;
- dctx->md = sctx->md;
- HMAC_CTX_init(&dctx->ctx);
- if (!HMAC_CTX_copy_ex(&dctx->ctx, &sctx->ctx)) {
- return 0;
- }
- if (sctx->ktmp.data) {
- if (!ASN1_OCTET_STRING_set(&dctx->ktmp, sctx->ktmp.data,
- sctx->ktmp.length)) {
- return 0;
- }
- }
- return 1;
-}
-
-static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx) {
- HMAC_PKEY_CTX *hctx = ctx->data;
-
- if (hctx == NULL) {
- return;
- }
-
- HMAC_CTX_cleanup(&hctx->ctx);
- if (hctx->ktmp.data) {
- if (hctx->ktmp.length) {
- OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length);
- }
- OPENSSL_free(hctx->ktmp.data);
- hctx->ktmp.data = NULL;
- }
- OPENSSL_free(hctx);
-}
-
-static int pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) {
- ASN1_OCTET_STRING *hkey = NULL;
- HMAC_PKEY_CTX *hctx = ctx->data;
-
- if (!hctx->ktmp.data) {
- return 0;
- }
- hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
- if (!hkey) {
- return 0;
- }
- EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
-
- return 1;
-}
-
-static void int_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
- HMAC_PKEY_CTX *hctx = ctx->pctx->data;
- HMAC_Update(&hctx->ctx, data, count);
-}
-
-static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx) {
- /* |mctx| gets repurposed as a hook to call |HMAC_Update|. Suppress the
- * automatic setting of |mctx->update| and the rest of its initialization. */
- EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
- mctx->update = int_update;
- return 1;
-}
-
-static int hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- EVP_MD_CTX *mctx) {
- unsigned int hlen;
- HMAC_PKEY_CTX *hctx = ctx->data;
- size_t md_size = EVP_MD_CTX_size(mctx);
-
- if (!sig) {
- *siglen = md_size;
- return 1;
- } else if (*siglen < md_size) {
- OPENSSL_PUT_ERROR(EVP, hmac_signctx, EVP_R_BUFFER_TOO_SMALL);
- return 0;
- }
-
- if (!HMAC_Final(&hctx->ctx, sig, &hlen)) {
- return 0;
- }
- *siglen = (size_t)hlen;
- return 1;
-}
-
-static int pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) {
- HMAC_PKEY_CTX *hctx = ctx->data;
- ASN1_OCTET_STRING *key;
-
- switch (type) {
- case EVP_PKEY_CTRL_SET_MAC_KEY:
- if ((!p2 && p1 > 0) || (p1 < -1)) {
- return 0;
- }
- if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1)) {
- return 0;
- }
- break;
-
- case EVP_PKEY_CTRL_MD:
- hctx->md = p2;
- break;
-
- case EVP_PKEY_CTRL_DIGESTINIT:
- key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr;
- if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
- ctx->engine)) {
- return 0;
- }
- break;
-
- default:
- OPENSSL_PUT_ERROR(EVP, pkey_hmac_ctrl, EVP_R_COMMAND_NOT_SUPPORTED);
- return 0;
- }
- return 1;
-}
-
-const EVP_PKEY_METHOD hmac_pkey_meth = {
- EVP_PKEY_HMAC, 0 /* flags */, pkey_hmac_init,
- pkey_hmac_copy, pkey_hmac_cleanup, 0 /* paramgen_init */,
- 0 /* paramgen */, 0 /* keygen_init */, pkey_hmac_keygen,
- 0 /* sign_init */, 0 /* sign */, 0 /* verify_init */,
- 0 /* verify */, hmac_signctx_init, hmac_signctx,
- 0 /* verifyctx_init */, 0 /* verifyctx */, 0 /* encrypt_init */,
- 0 /* encrypt */, 0 /* decrypt_init */, 0 /* decrypt */,
- 0 /* derive_init */, 0 /* derive */, pkey_hmac_ctrl,
- 0,
-};
generated by cgit v1.1 at 2024-12-22 10:32:37 +0000