From 87f37bc5a305e6a68ef232be580350588e300fcc Mon Sep 17 00:00:00 2001 From: Juan Linietsky Date: Mon, 28 Apr 2014 21:56:43 -0300 Subject: -Added OpenSSL and HTTPS support -Built-in version of the library for Windows, Android and iOS (other OSs use system one) -Small fixes all around --- drivers/builtin_openssl/crypto/hmac/hm_pmeth.c | 271 +++++++++++++++++++++++++ 1 file changed, 271 insertions(+) create mode 100644 drivers/builtin_openssl/crypto/hmac/hm_pmeth.c (limited to 'drivers/builtin_openssl/crypto/hmac/hm_pmeth.c') diff --git a/drivers/builtin_openssl/crypto/hmac/hm_pmeth.c b/drivers/builtin_openssl/crypto/hmac/hm_pmeth.c new file mode 100644 index 0000000000..0daa44511d --- /dev/null +++ b/drivers/builtin_openssl/crypto/hmac/hm_pmeth.c @@ -0,0 +1,271 @@ +/* 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 +#include "cryptlib.h" +#include +#include +#include +#include +#include "evp_locl.h" + +/* HMAC pkey context structure */ + +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; + hctx->md = NULL; + hctx->ktmp.data = NULL; + hctx->ktmp.length = 0; + hctx->ktmp.flags = 0; + hctx->ktmp.type = V_ASN1_OCTET_STRING; + HMAC_CTX_init(&hctx->ctx); + + ctx->data = hctx; + ctx->keygen_info_count = 0; + + 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(&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; + 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 int int_update(EVP_MD_CTX *ctx,const void *data,size_t count) + { + HMAC_PKEY_CTX *hctx = ctx->pctx->data; + if (!HMAC_Update(&hctx->ctx, data, count)) + return 0; + return 1; + } + +static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx) + { + HMAC_PKEY_CTX *hctx = ctx->data; + HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT); + 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; + int l = EVP_MD_CTX_size(mctx); + + if (l < 0) + return 0; + *siglen = l; + if (!sig) + return 1; + + 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: + return -2; + + } + return 1; + } + +static int pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx, + const char *type, const char *value) + { + if (!value) + { + return 0; + } + if (!strcmp(type, "key")) + { + void *p = (void *)value; + return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, + -1, p); + } + if (!strcmp(type, "hexkey")) + { + unsigned char *key; + int r; + long keylen; + key = string_to_hex(value, &keylen); + if (!key) + return 0; + r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key); + OPENSSL_free(key); + return r; + } + return -2; + } + +const EVP_PKEY_METHOD hmac_pkey_meth = + { + EVP_PKEY_HMAC, + 0, + pkey_hmac_init, + pkey_hmac_copy, + pkey_hmac_cleanup, + + 0, 0, + + 0, + pkey_hmac_keygen, + + 0, 0, + + 0, 0, + + 0,0, + + hmac_signctx_init, + hmac_signctx, + + 0,0, + + 0,0, + + 0,0, + + 0,0, + + pkey_hmac_ctrl, + pkey_hmac_ctrl_str + + }; -- cgit v1.2.3