diff options
| author | Adam Langley <agl@google.com> | 2016-05-25 18:23:19 +0000 |
|---|---|---|
| committer | android-build-merger <android-build-merger@google.com> | 2016-05-25 18:23:19 +0000 |
| commit | 78f200490e2e7d18b7973b6f90cef350672c2be3 (patch) | |
| tree | 2f563fe617a1af6a4cc77be3d62ae7465ed54e62 | |
| parent | c042e7ed31f9ee2d85637320c0cd54b12bbb12fe (diff) | |
| parent | c313c682b677792ce384047e4a44812c218e29c9 (diff) | |
| download | boringssl-78f200490e2e7d18b7973b6f90cef350672c2be3.tar.gz | |
Fix encoding bug in i2c_ASN1_INTEGER
am: c313c682b6
* commit 'c313c682b677792ce384047e4a44812c218e29c9':
Fix encoding bug in i2c_ASN1_INTEGER
Change-Id: I4a6e0743464d3305d4d043dfab54790ac8baf49a
| -rw-r--r-- | src/crypto/asn1/a_int.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/crypto/asn1/a_int.c b/src/crypto/asn1/a_int.c index 2ecccc53..16b89507 100644 --- a/src/crypto/asn1/a_int.c +++ b/src/crypto/asn1/a_int.c @@ -125,6 +125,8 @@ int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp) { ret=a->length; i=a->data[0]; + if (ret == 1 && i == 0) + neg=0; if (!neg && (i > 127)) { pad=1; pb=0; @@ -158,7 +160,7 @@ int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp) p += a->length - 1; i = a->length; /* Copy zeros to destination as long as source is zero */ - while(!*n) { + while(!*n && i > 1) { *(p--) = 0; n--; i--; |