openssl: Move to a module and split thirdparty lib

Same rationale as the previous commits.

1 files changed, 306 insertions, 0 deletions

diff --git a/thirdparty/openssl/crypto/cmac/cmac.c b/thirdparty/openssl/crypto/cmac/cmac.c
new file mode 100644
index 0000000000..2954b6eb7d
--- /dev/null
+++ b/thirdparty/openssl/crypto/cmac/cmac.c
@@ -0,0 +1,306 @@
+/* crypto/cmac/cmac.c */
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2010 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.
+ * ====================================================================
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "cryptlib.h"
+#include <openssl/cmac.h>
+
+#ifdef OPENSSL_FIPS
+# include <openssl/fips.h>
+#endif
+
+struct CMAC_CTX_st {
+    /* Cipher context to use */
+    EVP_CIPHER_CTX cctx;
+    /* Keys k1 and k2 */
+    unsigned char k1[EVP_MAX_BLOCK_LENGTH];
+    unsigned char k2[EVP_MAX_BLOCK_LENGTH];
+    /* Temporary block */
+    unsigned char tbl[EVP_MAX_BLOCK_LENGTH];
+    /* Last (possibly partial) block */
+    unsigned char last_block[EVP_MAX_BLOCK_LENGTH];
+    /* Number of bytes in last block: -1 means context not initialised */
+    int nlast_block;
+};
+
+/* Make temporary keys K1 and K2 */
+
+static void make_kn(unsigned char *k1, unsigned char *l, int bl)
+{
+    int i;
+    /* Shift block to left, including carry */
+    for (i = 0; i < bl; i++) {
+        k1[i] = l[i] << 1;
+        if (i < bl - 1 && l[i + 1] & 0x80)
+            k1[i] |= 1;
+    }
+    /* If MSB set fixup with R */
+    if (l[0] & 0x80)
+        k1[bl - 1] ^= bl == 16 ? 0x87 : 0x1b;
+}
+
+CMAC_CTX *CMAC_CTX_new(void)
+{
+    CMAC_CTX *ctx;
+    ctx = OPENSSL_malloc(sizeof(CMAC_CTX));
+    if (!ctx)
+        return NULL;
+    EVP_CIPHER_CTX_init(&ctx->cctx);
+    ctx->nlast_block = -1;
+    return ctx;
+}
+
+void CMAC_CTX_cleanup(CMAC_CTX *ctx)
+{
+#ifdef OPENSSL_FIPS
+    if (FIPS_mode() && !ctx->cctx.engine) {
+        FIPS_cmac_ctx_cleanup(ctx);
+        return;
+    }
+#endif
+    EVP_CIPHER_CTX_cleanup(&ctx->cctx);
+    OPENSSL_cleanse(ctx->tbl, EVP_MAX_BLOCK_LENGTH);
+    OPENSSL_cleanse(ctx->k1, EVP_MAX_BLOCK_LENGTH);
+    OPENSSL_cleanse(ctx->k2, EVP_MAX_BLOCK_LENGTH);
+    OPENSSL_cleanse(ctx->last_block, EVP_MAX_BLOCK_LENGTH);
+    ctx->nlast_block = -1;
+}
+
+EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx)
+{
+    return &ctx->cctx;
+}
+
+void CMAC_CTX_free(CMAC_CTX *ctx)
+{
+    if (!ctx)
+        return;
+    CMAC_CTX_cleanup(ctx);
+    OPENSSL_free(ctx);
+}
+
+int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in)
+{
+    int bl;
+    if (in->nlast_block == -1)
+        return 0;
+    if (!EVP_CIPHER_CTX_copy(&out->cctx, &in->cctx))
+        return 0;
+    bl = EVP_CIPHER_CTX_block_size(&in->cctx);
+    memcpy(out->k1, in->k1, bl);
+    memcpy(out->k2, in->k2, bl);
+    memcpy(out->tbl, in->tbl, bl);
+    memcpy(out->last_block, in->last_block, bl);
+    out->nlast_block = in->nlast_block;
+    return 1;
+}
+
+int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
+              const EVP_CIPHER *cipher, ENGINE *impl)
+{
+    static unsigned char zero_iv[EVP_MAX_BLOCK_LENGTH];
+#ifdef OPENSSL_FIPS
+    if (FIPS_mode()) {
+        /* If we have an ENGINE need to allow non FIPS */
+        if ((impl || ctx->cctx.engine)
+            && !(ctx->cctx.flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)) {
+            EVPerr(EVP_F_CMAC_INIT, EVP_R_DISABLED_FOR_FIPS);
+            return 0;
+        }
+
+        /* Switch to FIPS cipher implementation if possible */
+        if (cipher != NULL) {
+            const EVP_CIPHER *fcipher;
+            fcipher = FIPS_get_cipherbynid(EVP_CIPHER_nid(cipher));
+            if (fcipher != NULL)
+                cipher = fcipher;
+        }
+        /*
+         * Other algorithm blocking will be done in FIPS_cmac_init, via
+         * FIPS_cipherinit().
+         */
+        if (!impl && !ctx->cctx.engine)
+            return FIPS_cmac_init(ctx, key, keylen, cipher, NULL);
+    }
+#endif
+    /* All zeros means restart */
+    if (!key && !cipher && !impl && keylen == 0) {
+        /* Not initialised */
+        if (ctx->nlast_block == -1)
+            return 0;
+        if (!EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, NULL, zero_iv))
+            return 0;
+        memset(ctx->tbl, 0, EVP_CIPHER_CTX_block_size(&ctx->cctx));
+        ctx->nlast_block = 0;
+        return 1;
+    }
+    /* Initialiase context */
+    if (cipher && !EVP_EncryptInit_ex(&ctx->cctx, cipher, impl, NULL, NULL))
+        return 0;
+    /* Non-NULL key means initialisation complete */
+    if (key) {
+        int bl;
+        if (!EVP_CIPHER_CTX_cipher(&ctx->cctx))
+            return 0;
+        if (!EVP_CIPHER_CTX_set_key_length(&ctx->cctx, keylen))
+            return 0;
+        if (!EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, key, zero_iv))
+            return 0;
+        bl = EVP_CIPHER_CTX_block_size(&ctx->cctx);
+        if (!EVP_Cipher(&ctx->cctx, ctx->tbl, zero_iv, bl))
+            return 0;
+        make_kn(ctx->k1, ctx->tbl, bl);
+        make_kn(ctx->k2, ctx->k1, bl);
+        OPENSSL_cleanse(ctx->tbl, bl);
+        /* Reset context again ready for first data block */
+        if (!EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, NULL, zero_iv))
+            return 0;
+        /* Zero tbl so resume works */
+        memset(ctx->tbl, 0, bl);
+        ctx->nlast_block = 0;
+    }
+    return 1;
+}
+
+int CMAC_Update(CMAC_CTX *ctx, const void *in, size_t dlen)
+{
+    const unsigned char *data = in;
+    size_t bl;
+#ifdef OPENSSL_FIPS
+    if (FIPS_mode() && !ctx->cctx.engine)
+        return FIPS_cmac_update(ctx, in, dlen);
+#endif
+    if (ctx->nlast_block == -1)
+        return 0;
+    if (dlen == 0)
+        return 1;
+    bl = EVP_CIPHER_CTX_block_size(&ctx->cctx);
+    /* Copy into partial block if we need to */
+    if (ctx->nlast_block > 0) {
+        size_t nleft;
+        nleft = bl - ctx->nlast_block;
+        if (dlen < nleft)
+            nleft = dlen;
+        memcpy(ctx->last_block + ctx->nlast_block, data, nleft);
+        dlen -= nleft;
+        ctx->nlast_block += nleft;
+        /* If no more to process return */
+        if (dlen == 0)
+            return 1;
+        data += nleft;
+        /* Else not final block so encrypt it */
+        if (!EVP_Cipher(&ctx->cctx, ctx->tbl, ctx->last_block, bl))
+            return 0;
+    }
+    /* Encrypt all but one of the complete blocks left */
+    while (dlen > bl) {
+        if (!EVP_Cipher(&ctx->cctx, ctx->tbl, data, bl))
+            return 0;
+        dlen -= bl;
+        data += bl;
+    }
+    /* Copy any data left to last block buffer */
+    memcpy(ctx->last_block, data, dlen);
+    ctx->nlast_block = dlen;
+    return 1;
+
+}
+
+int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen)
+{
+    int i, bl, lb;
+#ifdef OPENSSL_FIPS
+    if (FIPS_mode() && !ctx->cctx.engine)
+        return FIPS_cmac_final(ctx, out, poutlen);
+#endif
+    if (ctx->nlast_block == -1)
+        return 0;
+    bl = EVP_CIPHER_CTX_block_size(&ctx->cctx);
+    *poutlen = (size_t)bl;
+    if (!out)
+        return 1;
+    lb = ctx->nlast_block;
+    /* Is last block complete? */
+    if (lb == bl) {
+        for (i = 0; i < bl; i++)
+            out[i] = ctx->last_block[i] ^ ctx->k1[i];
+    } else {
+        ctx->last_block[lb] = 0x80;
+        if (bl - lb > 1)
+            memset(ctx->last_block + lb + 1, 0, bl - lb - 1);
+        for (i = 0; i < bl; i++)
+            out[i] = ctx->last_block[i] ^ ctx->k2[i];
+    }
+    if (!EVP_Cipher(&ctx->cctx, out, out, bl)) {
+        OPENSSL_cleanse(out, bl);
+        return 0;
+    }
+    return 1;
+}
+
+int CMAC_resume(CMAC_CTX *ctx)
+{
+    if (ctx->nlast_block == -1)
+        return 0;
+    /*
+     * The buffer "tbl" containes the last fully encrypted block which is the
+     * last IV (or all zeroes if no last encrypted block). The last block has
+     * not been modified since CMAC_final(). So reinitliasing using the last
+     * decrypted block will allow CMAC to continue after calling
+     * CMAC_Final().
+     */
+    return EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, NULL, ctx->tbl);
+}