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Remove crypto/pem/pem_seal.c

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It's functionality appears unused.  If we're wrong, we will revert.

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Richard Levitte 2016-01-07 20:45:37 +01:00
parent 170b735820
commit 0674427f71
2 changed files with 2 additions and 196 deletions
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4
crypto/pem/Makefile
View File

@ -15,10 +15,10 @@ CFLAGS= $(INCLUDES) $(CFLAG)
GENERAL=Makefile
LIB=$(TOP)/libcrypto.a
LIBSRC= pem_sign.c pem_seal.c pem_info.c pem_lib.c pem_all.c pem_err.c \
LIBSRC= pem_sign.c pem_info.c pem_lib.c pem_all.c pem_err.c \
pem_x509.c pem_xaux.c pem_oth.c pem_pk8.c pem_pkey.c pvkfmt.c
LIBOBJ= pem_sign.o pem_seal.o pem_info.o pem_lib.o pem_all.o pem_err.o \
LIBOBJ= pem_sign.o pem_info.o pem_lib.o pem_all.o pem_err.o \
pem_x509.o pem_xaux.o pem_oth.o pem_pk8.o pem_pkey.o pvkfmt.o
SRC= $(LIBSRC)

194
crypto/pem/pem_seal.c
View File

@ -1,194 +0,0 @@
/* crypto/pem/pem_seal.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <openssl/opensslconf.h> /* for OPENSSL_NO_RSA */
#ifndef OPENSSL_NO_RSA
# include <stdio.h>
# include "internal/cryptlib.h"
# include <openssl/evp.h>
# include <openssl/rand.h>
# include <openssl/objects.h>
# include <openssl/x509.h>
# include <openssl/pem.h>
# include <openssl/rsa.h>
int PEM_SealInit(PEM_ENCODE_SEAL_CTX *ctx, EVP_CIPHER *type, EVP_MD *md_type,
unsigned char **ek, int *ekl, unsigned char *iv,
EVP_PKEY **pubk, int npubk)
{
unsigned char key[EVP_MAX_KEY_LENGTH];
int ret = -1;
int i, j, max = 0;
char *s = NULL;
for (i = 0; i < npubk; i++) {
if (pubk[i]->type != EVP_PKEY_RSA) {
PEMerr(PEM_F_PEM_SEALINIT, PEM_R_PUBLIC_KEY_NO_RSA);
goto err;
}
j = RSA_size(pubk[i]->pkey.rsa);
if (j > max)
max = j;
}
s = OPENSSL_malloc(max * 2);
if (s == NULL) {
PEMerr(PEM_F_PEM_SEALINIT, ERR_R_MALLOC_FAILURE);
goto err;
}
ctx->encode = EVP_ENCODE_CTX_new();
EVP_EncodeInit(ctx->encode);
ctx->md = EVP_MD_CTX_new();
if (!EVP_SignInit(ctx->md, md_type))
goto err;
EVP_CIPHER_CTX_init(&ctx->cipher);
ret = EVP_SealInit(&ctx->cipher, type, ek, ekl, iv, pubk, npubk);
if (ret <= 0)
goto err;
/* base64 encode the keys */
for (i = 0; i < npubk; i++) {
j = EVP_EncodeBlock((unsigned char *)s, ek[i],
RSA_size(pubk[i]->pkey.rsa));
ekl[i] = j;
memcpy(ek[i], s, j + 1);
}
ret = npubk;
err:
OPENSSL_free(s);
OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
return (ret);
}
int PEM_SealUpdate(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *out, int *outl,
unsigned char *in, int inl)
{
unsigned char buffer[1600];
int i, j;
*outl = 0;
if (!EVP_SignUpdate(ctx->md, in, inl))
return 0;
for (;;) {
if (inl <= 0)
break;
if (inl > 1200)
i = 1200;
else
i = inl;
if (!EVP_EncryptUpdate(&ctx->cipher, buffer, &j, in, i))
return 0;
EVP_EncodeUpdate(ctx->encode, out, &j, buffer, j);
*outl += j;
out += j;
in += i;
inl -= i;
}
return 1;
}
int PEM_SealFinal(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *sig, int *sigl,
unsigned char *out, int *outl, EVP_PKEY *priv)
{
unsigned char *s = NULL;
int ret = 0, j;
unsigned int i;
if (priv->type != EVP_PKEY_RSA) {
PEMerr(PEM_F_PEM_SEALFINAL, PEM_R_PUBLIC_KEY_NO_RSA);
goto err;
}
i = RSA_size(priv->pkey.rsa);
if (i < 100)
i = 100;
s = OPENSSL_malloc(i * 2);
if (s == NULL) {
PEMerr(PEM_F_PEM_SEALFINAL, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!EVP_EncryptFinal_ex(&ctx->cipher, s, (int *)&i))
goto err;
EVP_EncodeUpdate(ctx->encode, out, &j, s, i);
*outl = j;
out += j;
EVP_EncodeFinal(ctx->encode, out, &j);
*outl += j;
if (!EVP_SignFinal(ctx->md, s, &i, priv))
goto err;
*sigl = EVP_EncodeBlock(sig, s, i);
ret = 1;
err:
EVP_ENCODE_CTX_free(ctx->encode);
EVP_MD_CTX_free(ctx->md);
EVP_CIPHER_CTX_cleanup(&ctx->cipher);
OPENSSL_free(s);
return (ret);
}
#else /* !OPENSSL_NO_RSA */
# if PEDANTIC
static void *dummy = &dummy;
# endif
#endif