openssl: Move to a module and split thirdparty lib

Same rationale as the previous commits.

1 files changed, 277 insertions, 0 deletions

diff --git a/thirdparty/openssl/crypto/bn/bn_x931p.c b/thirdparty/openssl/crypto/bn/bn_x931p.c
new file mode 100644
index 0000000000..efa48bdf87
--- /dev/null
+++ b/thirdparty/openssl/crypto/bn/bn_x931p.c
@@ -0,0 +1,277 @@
+/* bn_x931p.c */
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2005.
+ */
+/* ====================================================================
+ * Copyright (c) 2005 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <openssl/bn.h>
+
+/* X9.31 routines for prime derivation */
+
+/*
+ * X9.31 prime derivation. This is used to generate the primes pi (p1, p2,
+ * q1, q2) from a parameter Xpi by checking successive odd integers.
+ */
+
+static int bn_x931_derive_pi(BIGNUM *pi, const BIGNUM *Xpi, BN_CTX *ctx,
+                             BN_GENCB *cb)
+{
+    int i = 0;
+    if (!BN_copy(pi, Xpi))
+        return 0;
+    if (!BN_is_odd(pi) && !BN_add_word(pi, 1))
+        return 0;
+    for (;;) {
+        i++;
+        BN_GENCB_call(cb, 0, i);
+        /* NB 27 MR is specificed in X9.31 */
+        if (BN_is_prime_fasttest_ex(pi, 27, ctx, 1, cb))
+            break;
+        if (!BN_add_word(pi, 2))
+            return 0;
+    }
+    BN_GENCB_call(cb, 2, i);
+    return 1;
+}
+
+/*
+ * This is the main X9.31 prime derivation function. From parameters Xp1, Xp2
+ * and Xp derive the prime p. If the parameters p1 or p2 are not NULL they
+ * will be returned too: this is needed for testing.
+ */
+
+int BN_X931_derive_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
+                            const BIGNUM *Xp, const BIGNUM *Xp1,
+                            const BIGNUM *Xp2, const BIGNUM *e, BN_CTX *ctx,
+                            BN_GENCB *cb)
+{
+    int ret = 0;
+
+    BIGNUM *t, *p1p2, *pm1;
+
+    /* Only even e supported */
+    if (!BN_is_odd(e))
+        return 0;
+
+    BN_CTX_start(ctx);
+    if (!p1)
+        p1 = BN_CTX_get(ctx);
+
+    if (!p2)
+        p2 = BN_CTX_get(ctx);
+
+    t = BN_CTX_get(ctx);
+
+    p1p2 = BN_CTX_get(ctx);
+
+    pm1 = BN_CTX_get(ctx);
+
+    if (!bn_x931_derive_pi(p1, Xp1, ctx, cb))
+        goto err;
+
+    if (!bn_x931_derive_pi(p2, Xp2, ctx, cb))
+        goto err;
+
+    if (!BN_mul(p1p2, p1, p2, ctx))
+        goto err;
+
+    /* First set p to value of Rp */
+
+    if (!BN_mod_inverse(p, p2, p1, ctx))
+        goto err;
+
+    if (!BN_mul(p, p, p2, ctx))
+        goto err;
+
+    if (!BN_mod_inverse(t, p1, p2, ctx))
+        goto err;
+
+    if (!BN_mul(t, t, p1, ctx))
+        goto err;
+
+    if (!BN_sub(p, p, t))
+        goto err;
+
+    if (p->neg && !BN_add(p, p, p1p2))
+        goto err;
+
+    /* p now equals Rp */
+
+    if (!BN_mod_sub(p, p, Xp, p1p2, ctx))
+        goto err;
+
+    if (!BN_add(p, p, Xp))
+        goto err;
+
+    /* p now equals Yp0 */
+
+    for (;;) {
+        int i = 1;
+        BN_GENCB_call(cb, 0, i++);
+        if (!BN_copy(pm1, p))
+            goto err;
+        if (!BN_sub_word(pm1, 1))
+            goto err;
+        if (!BN_gcd(t, pm1, e, ctx))
+            goto err;
+        if (BN_is_one(t)
+            /*
+             * X9.31 specifies 8 MR and 1 Lucas test or any prime test
+             * offering similar or better guarantees 50 MR is considerably
+             * better.
+             */
+            && BN_is_prime_fasttest_ex(p, 50, ctx, 1, cb))
+            break;
+        if (!BN_add(p, p, p1p2))
+            goto err;
+    }
+
+    BN_GENCB_call(cb, 3, 0);
+
+    ret = 1;
+
+ err:
+
+    BN_CTX_end(ctx);
+
+    return ret;
+}
+
+/*
+ * Generate pair of paramters Xp, Xq for X9.31 prime generation. Note: nbits
+ * paramter is sum of number of bits in both.
+ */
+
+int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx)
+{
+    BIGNUM *t;
+    int i;
+    /*
+     * Number of bits for each prime is of the form 512+128s for s = 0, 1,
+     * ...
+     */
+    if ((nbits < 1024) || (nbits & 0xff))
+        return 0;
+    nbits >>= 1;
+    /*
+     * The random value Xp must be between sqrt(2) * 2^(nbits-1) and 2^nbits
+     * - 1. By setting the top two bits we ensure that the lower bound is
+     * exceeded.
+     */
+    if (!BN_rand(Xp, nbits, 1, 0))
+        goto err;
+
+    BN_CTX_start(ctx);
+    t = BN_CTX_get(ctx);
+
+    for (i = 0; i < 1000; i++) {
+        if (!BN_rand(Xq, nbits, 1, 0))
+            goto err;
+        /* Check that |Xp - Xq| > 2^(nbits - 100) */
+        BN_sub(t, Xp, Xq);
+        if (BN_num_bits(t) > (nbits - 100))
+            break;
+    }
+
+    BN_CTX_end(ctx);
+
+    if (i < 1000)
+        return 1;
+
+    return 0;
+
+ err:
+    BN_CTX_end(ctx);
+    return 0;
+}
+
+/*
+ * Generate primes using X9.31 algorithm. Of the values p, p1, p2, Xp1 and
+ * Xp2 only 'p' needs to be non-NULL. If any of the others are not NULL the
+ * relevant parameter will be stored in it. Due to the fact that |Xp - Xq| >
+ * 2^(nbits - 100) must be satisfied Xp and Xq are generated using the
+ * previous function and supplied as input.
+ */
+
+int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
+                              BIGNUM *Xp1, BIGNUM *Xp2,
+                              const BIGNUM *Xp,
+                              const BIGNUM *e, BN_CTX *ctx, BN_GENCB *cb)
+{
+    int ret = 0;
+
+    BN_CTX_start(ctx);
+    if (!Xp1)
+        Xp1 = BN_CTX_get(ctx);
+    if (!Xp2)
+        Xp2 = BN_CTX_get(ctx);
+
+    if (!BN_rand(Xp1, 101, 0, 0))
+        goto error;
+    if (!BN_rand(Xp2, 101, 0, 0))
+        goto error;
+    if (!BN_X931_derive_prime_ex(p, p1, p2, Xp, Xp1, Xp2, e, ctx, cb))
+        goto error;
+
+    ret = 1;
+
+ error:
+    BN_CTX_end(ctx);
+
+    return ret;
+
+}