Dead code: if 0 removal from crypto/evp and an unused file.

Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>

4 files changed, 0 insertions, 487 deletions

diff --git a/crypto/evp/bio_b64.c b/crypto/evp/bio_b64.c
index 538b520264..8cbbf0253b 100644
--- a/crypto/evp/bio_b64.c
+++ b/crypto/evp/bio_b64.c
@@ -298,11 +298,7 @@ static int b64_read(BIO *b, char *out, int outl)
         if (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL) {
             int z, jj;
 
-#if 0
-            jj = (i >> 2) << 2;
-#else
             jj = i & ~3;        /* process per 4 */
-#endif
             z = EVP_DecodeBlock((unsigned char *)ctx->buf,
                                 (unsigned char *)ctx->tmp, jj);
             if (jj > 2) {
diff --git a/crypto/evp/c_all.c b/crypto/evp/c_all.c
index a3ed00d4c1..cc2f8f6a29 100644
--- a/crypto/evp/c_all.c
+++ b/crypto/evp/c_all.c
@@ -63,15 +63,6 @@
 # include <openssl/engine.h>
 #endif
 
-#if 0
-# undef OpenSSL_add_all_algorithms
-
-void OpenSSL_add_all_algorithms(void)
-{
-    OPENSSL_add_all_algorithms_noconf();
-}
-#endif
-
 void OPENSSL_add_all_algorithms_noconf(void)
 {
     /*
diff --git a/crypto/evp/e_aes.c b/crypto/evp/e_aes.c
index 15b233cdae..eaceab2e63 100644
--- a/crypto/evp/e_aes.c
+++ b/crypto/evp/e_aes.c
@@ -778,11 +778,6 @@ static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
             case 128:
                 xctx->stream = aes128_t4_xts_encrypt;
                 break;
-#  if 0                         /* not yet */
-            case 192:
-                xctx->stream = aes192_t4_xts_encrypt;
-                break;
-#  endif
             case 256:
                 xctx->stream = aes256_t4_xts_encrypt;
                 break;
@@ -796,11 +791,6 @@ static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
             case 128:
                 xctx->stream = aes128_t4_xts_decrypt;
                 break;
-#  if 0                         /* not yet */
-            case 192:
-                xctx->stream = aes192_t4_xts_decrypt;
-                break;
-#  endif
             case 256:
                 xctx->stream = aes256_t4_xts_decrypt;
                 break;
@@ -839,24 +829,6 @@ static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
         aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
         CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
                            &cctx->ks, (block128_f) aes_t4_encrypt);
-#  if 0                         /* not yet */
-        switch (bits) {
-        case 128:
-            cctx->str = enc ? (ccm128_f) aes128_t4_ccm64_encrypt :
-                (ccm128_f) ae128_t4_ccm64_decrypt;
-            break;
-        case 192:
-            cctx->str = enc ? (ccm128_f) aes192_t4_ccm64_encrypt :
-                (ccm128_f) ae192_t4_ccm64_decrypt;
-            break;
-        case 256:
-            cctx->str = enc ? (ccm128_f) aes256_t4_ccm64_encrypt :
-                (ccm128_f) ae256_t4_ccm64_decrypt;
-            break;
-        default:
-            return 0;
-        }
-#  endif
         cctx->key_set = 1;
     }
     if (iv) {
diff --git a/crypto/evp/openbsd_hw.c b/crypto/evp/openbsd_hw.c
deleted file mode 100644
index f36de2c3e1..0000000000
--- a/crypto/evp/openbsd_hw.c
+++ /dev/null
@@ -1,446 +0,0 @@
-/* Written by Ben Laurie, 2001 */
-/*
- * Copyright (c) 2001 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
- *    openssl-core@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.
- */
-
-#include <openssl/evp.h>
-#include <openssl/objects.h>
-#include <openssl/rsa.h>
-#include "evp_locl.h"
-
-/*
- * This stuff should now all be supported through
- * crypto/engine/hw_openbsd_dev_crypto.c unless I botched it up
- */
-static void *dummy = &dummy;
-
-#if 0
-
-/* check flag after OpenSSL headers to ensure make depend works */
-# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
-
-#  include <fcntl.h>
-#  include <stdio.h>
-#  include <errno.h>
-#  include <sys/ioctl.h>
-#  include <crypto/cryptodev.h>
-#  include <unistd.h>
-#  include <assert.h>
-
-/* longest key supported in hardware */
-#  define MAX_HW_KEY      24
-#  define MAX_HW_IV       8
-
-#  define MD5_DIGEST_LENGTH       16
-#  define MD5_CBLOCK              64
-
-static int fd;
-static int dev_failed;
-
-typedef struct session_op session_op;
-
-#  define CDATA(ctx) EVP_C_DATA(session_op,ctx)
-
-static void err(const char *str)
-{
-    fprintf(stderr, "%s: errno %d\n", str, errno);
-}
-
-static int dev_crypto_init(session_op *ses)
-{
-    if (dev_failed)
-        return 0;
-    if (!fd) {
-        int cryptodev_fd;
-
-        if ((cryptodev_fd = open("/dev/crypto", O_RDWR, 0)) < 0) {
-            err("/dev/crypto");
-            dev_failed = 1;
-            return 0;
-        }
-        if (ioctl(cryptodev_fd, CRIOGET, &fd) == -1) {
-            err("CRIOGET failed");
-            close(cryptodev_fd);
-            dev_failed = 1;
-            return 0;
-        }
-        close(cryptodev_fd);
-    }
-    assert(ses);
-    memset(ses, '\0', sizeof *ses);
-
-    return 1;
-}
-
-static int dev_crypto_cleanup(EVP_CIPHER_CTX *ctx)
-{
-    if (ioctl(fd, CIOCFSESSION, &CDATA(ctx)->ses) == -1)
-        err("CIOCFSESSION failed");
-
-    OPENSSL_free(CDATA(ctx)->key);
-
-    return 1;
-}
-
-static int dev_crypto_init_key(EVP_CIPHER_CTX *ctx, int cipher,
-                               const unsigned char *key, int klen)
-{
-    if (!dev_crypto_init(CDATA(ctx)))
-        return 0;
-
-    CDATA(ctx)->key = OPENSSL_malloc(MAX_HW_KEY);
-    if (CDATA(ctx)->key == NULL)
-        return 0;
-
-    assert(ctx->cipher->iv_len <= MAX_HW_IV);
-
-    memcpy(CDATA(ctx)->key, key, klen);
-
-    CDATA(ctx)->cipher = cipher;
-    CDATA(ctx)->keylen = klen;
-
-    if (ioctl(fd, CIOCGSESSION, CDATA(ctx)) == -1) {
-        err("CIOCGSESSION failed");
-        return 0;
-    }
-    return 1;
-}
-
-static int dev_crypto_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
-                             const unsigned char *in, unsigned int inl)
-{
-    struct crypt_op cryp;
-    unsigned char lb[MAX_HW_IV];
-
-    if (!inl)
-        return 1;
-
-    assert(CDATA(ctx));
-    assert(!dev_failed);
-
-    memset(&cryp, '\0', sizeof cryp);
-    cryp.ses = CDATA(ctx)->ses;
-    cryp.op = ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT;
-    cryp.flags = 0;
-    cryp.len = inl;
-    assert((inl & (ctx->cipher->block_size - 1)) == 0);
-    cryp.src = (caddr_t) in;
-    cryp.dst = (caddr_t) out;
-    cryp.mac = 0;
-    if (ctx->cipher->iv_len)
-        cryp.iv = (caddr_t) ctx->iv;
-
-    if (!ctx->encrypt)
-        memcpy(lb, &in[cryp.len - ctx->cipher->iv_len], ctx->cipher->iv_len);
-
-    if (ioctl(fd, CIOCCRYPT, &cryp) == -1) {
-        if (errno == EINVAL) {  /* buffers are misaligned */
-            unsigned int cinl = 0;
-            char *cin = NULL;
-            char *cout = NULL;
-
-            /* NB: this can only make cinl != inl with stream ciphers */
-            cinl = (inl + 3) / 4 * 4;
-
-            if (((unsigned long)in & 3) || cinl != inl) {
-                cin = OPENSSL_malloc(cinl);
-                if (cin == NULL)
-                    return 0;
-                memcpy(cin, in, inl);
-                cryp.src = cin;
-            }
-
-            if (((unsigned long)out & 3) || cinl != inl) {
-                cout = OPENSSL_malloc(cinl);
-                if (cout == NULL) {
-                    if (cin != NULL)
-                        OPENSSL_free(cin);
-                    return 0;
-                }
-                cryp.dst = cout;
-            }
-
-            cryp.len = cinl;
-
-            if (ioctl(fd, CIOCCRYPT, &cryp) == -1) {
-                err("CIOCCRYPT(2) failed");
-                printf("src=%p dst=%p\n", cryp.src, cryp.dst);
-                abort();
-                return 0;
-            }
-
-            if (cout) {
-                memcpy(out, cout, inl);
-                OPENSSL_free(cout);
-            }
-            if (cin)
-                OPENSSL_free(cin);
-        } else {
-            err("CIOCCRYPT failed");
-            abort();
-            return 0;
-        }
-    }
-
-    if (ctx->encrypt)
-        memcpy(ctx->iv, &out[cryp.len - ctx->cipher->iv_len],
-               ctx->cipher->iv_len);
-    else
-        memcpy(ctx->iv, lb, ctx->cipher->iv_len);
-
-    return 1;
-}
-
-static int dev_crypto_des_ede3_init_key(EVP_CIPHER_CTX *ctx,
-                                        const unsigned char *key,
-                                        const unsigned char *iv, int enc)
-{
-    return dev_crypto_init_key(ctx, CRYPTO_3DES_CBC, key, 24);
-}
-
-#  define dev_crypto_des_ede3_cbc_cipher dev_crypto_cipher
-
-BLOCK_CIPHER_def_cbc(dev_crypto_des_ede3, session_op, NID_des_ede3, 8, 24, 8,
-                     0, dev_crypto_des_ede3_init_key,
-                     dev_crypto_cleanup,
-                     EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
-
-static int dev_crypto_rc4_init_key(EVP_CIPHER_CTX *ctx,
-                                   const unsigned char *key,
-                                   const unsigned char *iv, int enc)
-{
-    return dev_crypto_init_key(ctx, CRYPTO_ARC4, key, 16);
-}
-
-static const EVP_CIPHER r4_cipher = {
-    NID_rc4,
-    1, 16, 0,                   /* FIXME: key should be up to 256 bytes */
-    EVP_CIPH_VARIABLE_LENGTH,
-    dev_crypto_rc4_init_key,
-    dev_crypto_cipher,
-    dev_crypto_cleanup,
-    sizeof(session_op),
-    NULL,
-    NULL,
-    NULL
-};
-
-const EVP_CIPHER *EVP_dev_crypto_rc4(void)
-{
-    return &r4_cipher;
-}
-
-typedef struct {
-    session_op sess;
-    char *data;
-    int len;
-    unsigned char md[EVP_MAX_MD_SIZE];
-} MD_DATA;
-
-static int dev_crypto_init_digest(MD_DATA *md_data, int mac)
-{
-    if (!dev_crypto_init(&md_data->sess))
-        return 0;
-
-    md_data->len = 0;
-    md_data->data = NULL;
-
-    md_data->sess.mac = mac;
-
-    if (ioctl(fd, CIOCGSESSION, &md_data->sess) == -1) {
-        err("CIOCGSESSION failed");
-        return 0;
-    }
-    return 1;
-}
-
-static int dev_crypto_cleanup_digest(MD_DATA *md_data)
-{
-    if (ioctl(fd, CIOCFSESSION, &md_data->sess.ses) == -1) {
-        err("CIOCFSESSION failed");
-        return 0;
-    }
-
-    return 1;
-}
-
-/* FIXME: if device can do chained MACs, then don't accumulate */
-/* FIXME: move accumulation to the framework */
-static int dev_crypto_md5_init(EVP_MD_CTX *ctx)
-{
-    return dev_crypto_init_digest(ctx->md_data, CRYPTO_MD5);
-}
-
-static int do_digest(int ses, unsigned char *md, const void *data, int len)
-{
-    struct crypt_op cryp;
-    static const unsigned char md5zero[16] = {
-        0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
-        0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e
-    };
-
-    /* some cards can't do zero length */
-    if (!len) {
-        memcpy(md, md5zero, 16);
-        return 1;
-    }
-
-    memset(&cryp, '\0', sizeof cryp);
-    cryp.ses = ses;
-    cryp.op = COP_ENCRYPT;      /* required to do the MAC rather than check
-                                 * it */
-    cryp.len = len;
-    cryp.src = (caddr_t) data;
-    cryp.dst = (caddr_t) data;  // FIXME!!!
-    cryp.mac = (caddr_t) md;
-
-    if (ioctl(fd, CIOCCRYPT, &cryp) == -1) {
-        if (errno == EINVAL) {  /* buffer is misaligned */
-            char *dcopy;
-
-            dcopy = OPENSSL_malloc(len);
-            memcpy(dcopy, data, len);
-            cryp.src = dcopy;
-            cryp.dst = cryp.src; // FIXME!!!
-
-            if (ioctl(fd, CIOCCRYPT, &cryp) == -1) {
-                err("CIOCCRYPT(MAC2) failed");
-                abort();
-                return 0;
-            }
-            OPENSSL_free(dcopy);
-        } else {
-            err("CIOCCRYPT(MAC) failed");
-            abort();
-            return 0;
-        }
-    }
-    // printf("done\n");
-
-    return 1;
-}
-
-static int dev_crypto_md5_update(EVP_MD_CTX *ctx, const void *data,
-                                 unsigned long len)
-{
-    MD_DATA *md_data = ctx->md_data;
-    char *tmp_md_data;
-
-    if (ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)
-        return do_digest(md_data->sess.ses, md_data->md, data, len);
-
-    tmp_md_data = OPENSSL_realloc(md_data->data, md_data->len + len);
-    if (tmp_md_data == NULL)
-        return 0;
-    md_data->data = tmp_md_data;
-    memcpy(md_data->data + md_data->len, data, len);
-    md_data->len += len;
-
-    return 1;
-}
-
-static int dev_crypto_md5_final(EVP_MD_CTX *ctx, unsigned char *md)
-{
-    int ret;
-    MD_DATA *md_data = ctx->md_data;
-
-    if (ctx->flags & EVP_MD_CTX_FLAG_ONESHOT) {
-        memcpy(md, md_data->md, MD5_DIGEST_LENGTH);
-        ret = 1;
-    } else {
-        ret = do_digest(md_data->sess.ses, md, md_data->data, md_data->len);
-        OPENSSL_free(md_data->data);
-        md_data->data = NULL;
-        md_data->len = 0;
-    }
-
-    return ret;
-}
-
-static int dev_crypto_md5_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
-{
-    const MD_DATA *from_md = from->md_data;
-    MD_DATA *to_md = to->md_data;
-
-    // How do we copy sessions?
-    assert(from->digest->flags & EVP_MD_FLAG_ONESHOT);
-
-    to_md->data = OPENSSL_malloc(from_md->len);
-    if (to_md->data == NULL)
-        return 0;
-    memcpy(to_md->data, from_md->data, from_md->len);
-
-    return 1;
-}
-
-static int dev_crypto_md5_cleanup(EVP_MD_CTX *ctx)
-{
-    return dev_crypto_cleanup_digest(ctx->md_data);
-}
-
-static const EVP_MD md5_md = {
-    NID_md5,
-    NID_md5WithRSAEncryption,
-    MD5_DIGEST_LENGTH,
-    EVP_MD_FLAG_ONESHOT,        // XXX: set according to device info...
-    dev_crypto_md5_init,
-    dev_crypto_md5_update,
-    dev_crypto_md5_final,
-    dev_crypto_md5_copy,
-    dev_crypto_md5_cleanup,
-    EVP_PKEY_RSA_method,
-    MD5_CBLOCK,
-    sizeof(MD_DATA),
-};
-
-const EVP_MD *EVP_dev_crypto_md5(void)
-{
-    return &md5_md;
-}
-
-# endif
-#endif