Remove crypto/pem/pem_seal.c

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

Reviewed-by: Rich Salz <rsalz@openssl.org>

2 files changed, 2 insertions, 196 deletions

diff --git a/crypto/pem/Makefile b/crypto/pem/Makefile
index 3eeafb850d..0fc9a50667 100644
--- a/crypto/pem/Makefile
+++ b/crypto/pem/Makefile
@@ -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)
diff --git a/crypto/pem/pem_seal.c b/crypto/pem/pem_seal.c
deleted file mode 100644
index f7c9e3f818..0000000000
--- a/crypto/pem/pem_seal.c
+++ /dev/null
@@ -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