deps: upgrade openssl sources to 1.0.2m

This replaces all sources of openssl-1.0.2m.tar.gz into
deps/openssl/openssl

PR-URL: https://github.com/nodejs/node/pull/16691
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 9 insertions, 4 deletions

diff --git a/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c b/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c
index d114710e98..b25fc6d541 100644
--- a/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c
+++ b/deps/openssl/openssl/crypto/evp/e_aes_cbc_hmac_sha1.c
@@ -579,12 +579,17 @@ static int aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
             maxpad |= (255 - maxpad) >> (sizeof(maxpad) * 8 - 8);
             maxpad &= 255;
 
-            ret &= constant_time_ge(maxpad, pad);
+            mask = constant_time_ge(maxpad, pad);
+            ret &= mask;
+            /*
+             * If pad is invalid then we will fail the above test but we must
+             * continue anyway because we are in constant time code. However,
+             * we'll use the maxpad value instead of the supplied pad to make
+             * sure we perform well defined pointer arithmetic.
+             */
+            pad = constant_time_select(mask, pad, maxpad);
 
             inp_len = len - (SHA_DIGEST_LENGTH + pad + 1);
-            mask = (0 - ((inp_len - len) >> (sizeof(inp_len) * 8 - 1)));
-            inp_len &= mask;
-            ret &= (int)mask;
 
             key->aux.tls_aad[plen - 2] = inp_len >> 8;
             key->aux.tls_aad[plen - 1] = inp_len;