deps: upgrade openssl to 1.0.2a

This just replaces all sources in deps/openssl/openssl to originals in
https://www.openssl.org/source/openssl-1.0.2a.tar.gz

Fixes: https://github.com/iojs/io.js/issues/589
PR-URL: https://github.com/iojs/io.js/pull/1389
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

1 files changed, 369 insertions, 0 deletions

diff --git a/deps/openssl/openssl/crypto/dsa/dsa_gen.c b/deps/openssl/openssl/crypto/dsa/dsa_gen.c
index c808ab6097..8920036939 100644
--- a/deps/openssl/openssl/crypto/dsa/dsa_gen.c
+++ b/deps/openssl/openssl/crypto/dsa/dsa_gen.c
@@ -86,6 +86,8 @@
 # include "dsa_locl.h"
 
 # ifdef OPENSSL_FIPS
+/* Workaround bug in prototype */
+#  define fips_dsa_builtin_paramgen2 fips_dsa_paramgen_bad
 #  include <openssl/fips.h>
 # endif
 
@@ -382,4 +384,371 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
         BN_MONT_CTX_free(mont);
     return ok;
 }
+
+# ifdef OPENSSL_FIPS
+#  undef fips_dsa_builtin_paramgen2
+extern int fips_dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,
+                                      const EVP_MD *evpmd,
+                                      const unsigned char *seed_in,
+                                      size_t seed_len, int idx,
+                                      unsigned char *seed_out,
+                                      int *counter_ret, unsigned long *h_ret,
+                                      BN_GENCB *cb);
+# endif
+
+/*
+ * This is a parameter generation algorithm for the DSA2 algorithm as
+ * described in FIPS 186-3.
+ */
+
+int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,
+                          const EVP_MD *evpmd, const unsigned char *seed_in,
+                          size_t seed_len, int idx, unsigned char *seed_out,
+                          int *counter_ret, unsigned long *h_ret,
+                          BN_GENCB *cb)
+{
+    int ok = -1;
+    unsigned char *seed = NULL, *seed_tmp = NULL;
+    unsigned char md[EVP_MAX_MD_SIZE];
+    int mdsize;
+    BIGNUM *r0, *W, *X, *c, *test;
+    BIGNUM *g = NULL, *q = NULL, *p = NULL;
+    BN_MONT_CTX *mont = NULL;
+    int i, k, n = 0, m = 0, qsize = N >> 3;
+    int counter = 0;
+    int r = 0;
+    BN_CTX *ctx = NULL;
+    EVP_MD_CTX mctx;
+    unsigned int h = 2;
+
+# ifdef OPENSSL_FIPS
+
+    if (FIPS_mode())
+        return fips_dsa_builtin_paramgen2(ret, L, N, evpmd,
+                                          seed_in, seed_len, idx,
+                                          seed_out, counter_ret, h_ret, cb);
+# endif
+
+    EVP_MD_CTX_init(&mctx);
+
+    if (evpmd == NULL) {
+        if (N == 160)
+            evpmd = EVP_sha1();
+        else if (N == 224)
+            evpmd = EVP_sha224();
+        else
+            evpmd = EVP_sha256();
+    }
+
+    mdsize = EVP_MD_size(evpmd);
+    /* If unverificable g generation only don't need seed */
+    if (!ret->p || !ret->q || idx >= 0) {
+        if (seed_len == 0)
+            seed_len = mdsize;
+
+        seed = OPENSSL_malloc(seed_len);
+
+        if (seed_out)
+            seed_tmp = seed_out;
+        else
+            seed_tmp = OPENSSL_malloc(seed_len);
+
+        if (!seed || !seed_tmp)
+            goto err;
+
+        if (seed_in)
+            memcpy(seed, seed_in, seed_len);
+
+    }
+
+    if ((ctx = BN_CTX_new()) == NULL)
+        goto err;
+
+    if ((mont = BN_MONT_CTX_new()) == NULL)
+        goto err;
+
+    BN_CTX_start(ctx);
+    r0 = BN_CTX_get(ctx);
+    g = BN_CTX_get(ctx);
+    W = BN_CTX_get(ctx);
+    X = BN_CTX_get(ctx);
+    c = BN_CTX_get(ctx);
+    test = BN_CTX_get(ctx);
+
+    /* if p, q already supplied generate g only */
+    if (ret->p && ret->q) {
+        p = ret->p;
+        q = ret->q;
+        if (idx >= 0)
+            memcpy(seed_tmp, seed, seed_len);
+        goto g_only;
+    } else {
+        p = BN_CTX_get(ctx);
+        q = BN_CTX_get(ctx);
+    }
+
+    if (!BN_lshift(test, BN_value_one(), L - 1))
+        goto err;
+    for (;;) {
+        for (;;) {              /* find q */
+            unsigned char *pmd;
+            /* step 1 */
+            if (!BN_GENCB_call(cb, 0, m++))
+                goto err;
+
+            if (!seed_in) {
+                if (RAND_pseudo_bytes(seed, seed_len) < 0)
+                    goto err;
+            }
+            /* step 2 */
+            if (!EVP_Digest(seed, seed_len, md, NULL, evpmd, NULL))
+                goto err;
+            /* Take least significant bits of md */
+            if (mdsize > qsize)
+                pmd = md + mdsize - qsize;
+            else
+                pmd = md;
+
+            if (mdsize < qsize)
+                memset(md + mdsize, 0, qsize - mdsize);
+
+            /* step 3 */
+            pmd[0] |= 0x80;
+            pmd[qsize - 1] |= 0x01;
+            if (!BN_bin2bn(pmd, qsize, q))
+                goto err;
+
+            /* step 4 */
+            r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx,
+                                        seed_in ? 1 : 0, cb);
+            if (r > 0)
+                break;
+            if (r != 0)
+                goto err;
+            /* Provided seed didn't produce a prime: error */
+            if (seed_in) {
+                ok = 0;
+                DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_Q_NOT_PRIME);
+                goto err;
+            }
+
+            /* do a callback call */
+            /* step 5 */
+        }
+        /* Copy seed to seed_out before we mess with it */
+        if (seed_out)
+            memcpy(seed_out, seed, seed_len);
+
+        if (!BN_GENCB_call(cb, 2, 0))
+            goto err;
+        if (!BN_GENCB_call(cb, 3, 0))
+            goto err;
+
+        /* step 6 */
+        counter = 0;
+        /* "offset = 1" */
+
+        n = (L - 1) / (mdsize << 3);
+
+        for (;;) {
+            if ((counter != 0) && !BN_GENCB_call(cb, 0, counter))
+                goto err;
+
+            /* step 7 */
+            BN_zero(W);
+            /* now 'buf' contains "SEED + offset - 1" */
+            for (k = 0; k <= n; k++) {
+                /*
+                 * obtain "SEED + offset + k" by incrementing:
+                 */
+                for (i = seed_len - 1; i >= 0; i--) {
+                    seed[i]++;
+                    if (seed[i] != 0)
+                        break;
+                }
+
+                if (!EVP_Digest(seed, seed_len, md, NULL, evpmd, NULL))
+                    goto err;
+
+                /* step 8 */
+                if (!BN_bin2bn(md, mdsize, r0))
+                    goto err;
+                if (!BN_lshift(r0, r0, (mdsize << 3) * k))
+                    goto err;
+                if (!BN_add(W, W, r0))
+                    goto err;
+            }
+
+            /* more of step 8 */
+            if (!BN_mask_bits(W, L - 1))
+                goto err;
+            if (!BN_copy(X, W))
+                goto err;
+            if (!BN_add(X, X, test))
+                goto err;
+
+            /* step 9 */
+            if (!BN_lshift1(r0, q))
+                goto err;
+            if (!BN_mod(c, X, r0, ctx))
+                goto err;
+            if (!BN_sub(r0, c, BN_value_one()))
+                goto err;
+            if (!BN_sub(p, X, r0))
+                goto err;
+
+            /* step 10 */
+            if (BN_cmp(p, test) >= 0) {
+                /* step 11 */
+                r = BN_is_prime_fasttest_ex(p, DSS_prime_checks, ctx, 1, cb);
+                if (r > 0)
+                    goto end;   /* found it */
+                if (r != 0)
+                    goto err;
+            }
+
+            /* step 13 */
+            counter++;
+            /* "offset = offset + n + 1" */
+
+            /* step 14 */
+            if (counter >= (int)(4 * L))
+                break;
+        }
+        if (seed_in) {
+            ok = 0;
+            DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_INVALID_PARAMETERS);
+            goto err;
+        }
+    }
+ end:
+    if (!BN_GENCB_call(cb, 2, 1))
+        goto err;
+
+ g_only:
+
+    /* We now need to generate g */
+    /* Set r0=(p-1)/q */
+    if (!BN_sub(test, p, BN_value_one()))
+        goto err;
+    if (!BN_div(r0, NULL, test, q, ctx))
+        goto err;
+
+    if (idx < 0) {
+        if (!BN_set_word(test, h))
+            goto err;
+    } else
+        h = 1;
+    if (!BN_MONT_CTX_set(mont, p, ctx))
+        goto err;
+
+    for (;;) {
+        static const unsigned char ggen[4] = { 0x67, 0x67, 0x65, 0x6e };
+        if (idx >= 0) {
+            md[0] = idx & 0xff;
+            md[1] = (h >> 8) & 0xff;
+            md[2] = h & 0xff;
+            if (!EVP_DigestInit_ex(&mctx, evpmd, NULL))
+                goto err;
+            if (!EVP_DigestUpdate(&mctx, seed_tmp, seed_len))
+                goto err;
+            if (!EVP_DigestUpdate(&mctx, ggen, sizeof(ggen)))
+                goto err;
+            if (!EVP_DigestUpdate(&mctx, md, 3))
+                goto err;
+            if (!EVP_DigestFinal_ex(&mctx, md, NULL))
+                goto err;
+            if (!BN_bin2bn(md, mdsize, test))
+                goto err;
+        }
+        /* g=test^r0%p */
+        if (!BN_mod_exp_mont(g, test, r0, p, ctx, mont))
+            goto err;
+        if (!BN_is_one(g))
+            break;
+        if (idx < 0 && !BN_add(test, test, BN_value_one()))
+            goto err;
+        h++;
+        if (idx >= 0 && h > 0xffff)
+            goto err;
+    }
+
+    if (!BN_GENCB_call(cb, 3, 1))
+        goto err;
+
+    ok = 1;
+ err:
+    if (ok == 1) {
+        if (p != ret->p) {
+            if (ret->p)
+                BN_free(ret->p);
+            ret->p = BN_dup(p);
+        }
+        if (q != ret->q) {
+            if (ret->q)
+                BN_free(ret->q);
+            ret->q = BN_dup(q);
+        }
+        if (ret->g)
+            BN_free(ret->g);
+        ret->g = BN_dup(g);
+        if (ret->p == NULL || ret->q == NULL || ret->g == NULL) {
+            ok = -1;
+            goto err;
+        }
+        if (counter_ret != NULL)
+            *counter_ret = counter;
+        if (h_ret != NULL)
+            *h_ret = h;
+    }
+    if (seed)
+        OPENSSL_free(seed);
+    if (seed_out != seed_tmp)
+        OPENSSL_free(seed_tmp);
+    if (ctx) {
+        BN_CTX_end(ctx);
+        BN_CTX_free(ctx);
+    }
+    if (mont != NULL)
+        BN_MONT_CTX_free(mont);
+    EVP_MD_CTX_cleanup(&mctx);
+    return ok;
+}
+
+int dsa_paramgen_check_g(DSA *dsa)
+{
+    BN_CTX *ctx;
+    BIGNUM *tmp;
+    BN_MONT_CTX *mont = NULL;
+    int rv = -1;
+    ctx = BN_CTX_new();
+    if (!ctx)
+        return -1;
+    BN_CTX_start(ctx);
+    if (BN_cmp(dsa->g, BN_value_one()) <= 0)
+        return 0;
+    if (BN_cmp(dsa->g, dsa->p) >= 0)
+        return 0;
+    tmp = BN_CTX_get(ctx);
+    if (!tmp)
+        goto err;
+    if ((mont = BN_MONT_CTX_new()) == NULL)
+        goto err;
+    if (!BN_MONT_CTX_set(mont, dsa->p, ctx))
+        goto err;
+    /* Work out g^q mod p */
+    if (!BN_mod_exp_mont(tmp, dsa->g, dsa->q, dsa->p, ctx, mont))
+        goto err;
+    if (!BN_cmp(tmp, BN_value_one()))
+        rv = 1;
+    else
+        rv = 0;
+ err:
+    BN_CTX_end(ctx);
+    if (mont)
+        BN_MONT_CTX_free(mont);
+    BN_CTX_free(ctx);
+    return rv;
+
+}
 #endif