diff options
Diffstat (limited to 'openssl/crypto/asn1/a_int.c')
| -rw-r--r-- | openssl/crypto/asn1/a_int.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/openssl/crypto/asn1/a_int.c b/openssl/crypto/asn1/a_int.c index 70c2b8e62..7e26704a5 100644 --- a/openssl/crypto/asn1/a_int.c +++ b/openssl/crypto/asn1/a_int.c @@ -124,6 +124,8 @@ int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp) else { ret = a->length; i = a->data[0]; + if (ret == 1 && i == 0) + neg = 0; if (!neg && (i > 127)) { pad = 1; pb = 0; @@ -162,7 +164,7 @@ 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--; @@ -419,7 +421,7 @@ ASN1_INTEGER *BN_to_ASN1_INTEGER(const BIGNUM *bn, ASN1_INTEGER *ai) ASN1err(ASN1_F_BN_TO_ASN1_INTEGER, ERR_R_NESTED_ASN1_ERROR); goto err; } - if (BN_is_negative(bn)) + if (BN_is_negative(bn) && !BN_is_zero(bn)) ret->type = V_ASN1_NEG_INTEGER; else ret->type = V_ASN1_INTEGER; |