1 files changed, 53 insertions, 0 deletions
diff --git a/package/libs/openssl/patches/220-eng_devcrypto-fix-copy-of-unitilialized-digest.patch b/package/libs/openssl/patches/220-eng_devcrypto-fix-copy-of-unitilialized-digest.patch
new file mode 100644
index 0000000000..2cfff604b9
--- /dev/null
+++ b/package/libs/openssl/patches/220-eng_devcrypto-fix-copy-of-unitilialized-digest.patch
@@ -0,0 +1,53 @@
+From 68b02a8ab798b7e916c8141a36ab69d7493fc707 Mon Sep 17 00:00:00 2001
+From: Eneas U de Queiroz <cote2004-github@yahoo.com>
+Date: Wed, 14 Nov 2018 13:58:06 -0200
+Subject: [PATCH 3/7] eng_devcrypto: fix copy of unitilialized digest
+
+If the source ctx has not been initialized, don't initialize the copy
+either.
+
+Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
+
+Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
+Reviewed-by: Richard Levitte <levitte@openssl.org>
+(Merged from https://github.com/openssl/openssl/pull/7585)
+
+(cherry picked from commit ae8183690fa53b978d4647563f5a521c4cafe94c)
+
+--- a/crypto/engine/eng_devcrypto.c
++++ b/crypto/engine/eng_devcrypto.c
+@@ -338,7 +338,8 @@ static int devcrypto_ciphers(ENGINE *e,
+ 
+ struct digest_ctx {
+     struct session_op sess;
+-    int init;
++    /* This signals that the init function was called, not that it succeeded. */
++    int init_called;
+ };
+ 
+ static const struct digest_data_st {
+@@ -403,7 +404,7 @@ static int digest_init(EVP_MD_CTX *ctx)
+     const struct digest_data_st *digest_d =
+         get_digest_data(EVP_MD_CTX_type(ctx));
+ 
+-    digest_ctx->init = 1;
++    digest_ctx->init_called = 1;
+ 
+     memset(&digest_ctx->sess, 0, sizeof(digest_ctx->sess));
+     digest_ctx->sess.mac = digest_d->devcryptoid;
+@@ -476,14 +477,9 @@ static int digest_copy(EVP_MD_CTX *to, c
+         (struct digest_ctx *)EVP_MD_CTX_md_data(to);
+     struct cphash_op cphash;
+ 
+-    if (digest_from == NULL)
++    if (digest_from == NULL || digest_from->init_called != 1)
+         return 1;
+ 
+-    if (digest_from->init != 1) {
+-        SYSerr(SYS_F_IOCTL, EINVAL);
+-        return 0;
+-    }
+-
+     if (!digest_init(to)) {
+         SYSerr(SYS_F_IOCTL, errno);
+         return 0;