-rw-r--r-- | lib/util.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/util.cc b/lib/util.cc index d9abca7..94f6f53 100644 --- a/lib/util.cc +++ b/lib/util.cc | |||
@@ -87,7 +87,11 @@ namespace opkele { | |||
87 | 87 | ||
88 | string bignum_to_base64(const BIGNUM *bn) { | 88 | string bignum_to_base64(const BIGNUM *bn) { |
89 | vector<unsigned char> bin(BN_num_bytes(bn)); | 89 | vector<unsigned char> bin(BN_num_bytes(bn)+1); |
90 | int l = BN_bn2bin(bn,&(bin.front())); | 90 | unsigned char *binptr = &(bin.front())+1; |
91 | return encode_base64(&(bin.front()),l); | 91 | int l = BN_bn2bin(bn,binptr); |
92 | if(l && (*binptr)&0x80){ | ||
93 | (*(--binptr)) = 0; ++l; | ||
94 | } | ||
95 | return encode_base64(binptr,l); | ||
92 | } | 96 | } |
93 | 97 | ||