Remove PEM_Seal{Init,Update,Final}

This unused, bug-ridden API was removed in OpenSSL commit 0674427f.

ok inoguchi jsing

3 files changed, 3 insertions, 223 deletions

diff --git a/src/lib/libcrypto/Makefile b/src/lib/libcrypto/Makefile
index 0e833733e1..be22c4e9e6 100644
--- a/src/lib/libcrypto/Makefile
+++ b/src/lib/libcrypto/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.68 2022/01/07 09:55:31 tb Exp $
+# $OpenBSD: Makefile,v 1.69 2022/01/14 07:52:24 tb Exp $
 
 LIB=    crypto
 LIBREBUILD=y
@@ -225,7 +225,7 @@ SRCS+= ocsp_asn.c ocsp_ext.c ocsp_ht.c ocsp_lib.c ocsp_cl.c
 SRCS+= ocsp_srv.c ocsp_prn.c ocsp_vfy.c ocsp_err.c
 
 # pem/
-SRCS+= pem_sign.c pem_seal.c pem_info.c pem_lib.c pem_all.c pem_err.c
+SRCS+= pem_sign.c pem_info.c pem_lib.c pem_all.c pem_err.c
 SRCS+= pem_x509.c pem_xaux.c pem_oth.c pem_pk8.c pem_pkey.c pvkfmt.c
 
 # pkcs12/
diff --git a/src/lib/libcrypto/pem/pem.h b/src/lib/libcrypto/pem/pem.h
index 0ea04bece7..95f1e030b1 100644
--- a/src/lib/libcrypto/pem/pem.h
+++ b/src/lib/libcrypto/pem/pem.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: pem.h,v 1.22 2022/01/14 07:49:49 tb Exp $ */
+/* $OpenBSD: pem.h,v 1.23 2022/01/14 07:52:24 tb Exp $ */
 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -137,14 +137,6 @@ extern "C" {
 #define PEM_STRING_PARAMETERS   "PARAMETERS"
 #define PEM_STRING_CMS          "CMS"
 
-  /* Note that this structure is initialised by PEM_SealInit and cleaned up
-     by PEM_SealFinal (at least for now) */
-typedef struct PEM_Encode_Seal_st {
-        EVP_ENCODE_CTX encode;
-        EVP_MD_CTX md;
-        EVP_CIPHER_CTX cipher;
-} PEM_ENCODE_SEAL_CTX;
-
 /* enc_type is one off */
 #define PEM_TYPE_ENCRYPTED      10
 #define PEM_TYPE_MIC_ONLY       20
@@ -412,14 +404,6 @@ int	PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp,
 STACK_OF(X509_INFO) *   PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
             pem_password_cb *cb, void *u);
 
-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);
-void    PEM_SealUpdate(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *out, int *outl,
-            unsigned char *in, int inl);
-int     PEM_SealFinal(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *sig, int *sigl,
-            unsigned char *out, int *outl, EVP_PKEY *priv);
-
 int    PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type);
 int    PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *d, unsigned int cnt);
 int     PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
diff --git a/src/lib/libcrypto/pem/pem_seal.c b/src/lib/libcrypto/pem/pem_seal.c
deleted file mode 100644
index c6d61fff0f..0000000000
--- a/src/lib/libcrypto/pem/pem_seal.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/* $OpenBSD: pem_seal.c,v 1.24 2017/01/29 17:49:23 beck Exp $ */
-/* 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 <stdio.h>
-#include <string.h>
-
-#include <openssl/opensslconf.h>        /* for OPENSSL_NO_RSA */
-
-#ifndef OPENSSL_NO_RSA
-
-#include <openssl/err.h>
-#include <openssl/evp.h>
-#include <openssl/objects.h>
-#include <openssl/pem.h>
-#include <openssl/rsa.h>
-#include <openssl/x509.h>
-
-static void
-PEM_ENCODE_SEAL_CTX_cleanup(PEM_ENCODE_SEAL_CTX *ctx)
-{
-        EVP_CIPHER_CTX_cleanup(&ctx->cipher);
-        EVP_MD_CTX_cleanup(&ctx->md);
-        explicit_bzero(&ctx->encode, sizeof(ctx->encode));
-}
-
-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;
-
-        /*
-         * Make sure ctx is properly initialized so that we can always pass
-         * it to PEM_ENCODE_SEAL_CTX_cleanup() in the error path.
-         */
-        EVP_EncodeInit(&ctx->encode);
-        EVP_MD_CTX_init(&ctx->md);
-        EVP_CIPHER_CTX_init(&ctx->cipher);
-
-        for (i = 0; i < npubk; i++) {
-                if (pubk[i]->type != EVP_PKEY_RSA) {
-                        PEMerror(PEM_R_PUBLIC_KEY_NO_RSA);
-                        goto err;
-                }
-                j = RSA_size(pubk[i]->pkey.rsa);
-                if (j > max)
-                        max = j;
-        }
-        s = reallocarray(NULL, max, 2);
-        if (s == NULL) {
-                PEMerror(ERR_R_MALLOC_FAILURE);
-                goto err;
-        }
-
-        if (!EVP_SignInit(&ctx->md, md_type))
-                goto err;
-
-        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;
-
-        if (0) {
-err:
-                PEM_ENCODE_SEAL_CTX_cleanup(ctx);
-        }
-        free(s);
-        explicit_bzero(key, sizeof(key));
-        return (ret);
-}
-
-void
-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;
-        EVP_SignUpdate(&ctx->md, in, inl);
-        for (;;) {
-                if (inl <= 0)
-                        break;
-                if (inl > 1200)
-                        i = 1200;
-                else
-                        i = inl;
-                EVP_EncryptUpdate(&ctx->cipher, buffer, &j, in, i);
-                EVP_EncodeUpdate(&ctx->encode, out, &j, buffer, j);
-                *outl += j;
-                out += j;
-                in += i;
-                inl -= i;
-        }
-}
-
-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) {
-                PEMerror(PEM_R_PUBLIC_KEY_NO_RSA);
-                goto err;
-        }
-        i = RSA_size(priv->pkey.rsa);
-        if (i < 100)
-                i = 100;
-        s = reallocarray(NULL, i, 2);
-        if (s == NULL) {
-                PEMerror(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:
-        PEM_ENCODE_SEAL_CTX_cleanup(ctx);
-        free(s);
-        return (ret);
-}
-#endif