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bugfixing

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This commit is contained in:
Steffen Jaeckel 2017-03-31 15:12:38 +02:00
parent 08503a02f5
commit 2c52bf75f4
2 changed files with 10 additions and 4 deletions
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12
src/pk/asn1/der/generalizedtime/der_decode_generalizedtime.c
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@ -76,7 +76,9 @@ int der_decode_generalizedtime(const unsigned char *in, unsigned long *inlen,
if (y == -1) {
return CRYPT_INVALID_PACKET;
}
if (!((y >= '0' && y <= '9') || y == 'Z')) {
if (!((y >= '0' && y <= '9')
|| y == 'Z' || y == '.'
|| y == '+' || y == '-')) {
return CRYPT_INVALID_PACKET;
}
buf[x] = y;
@ -89,7 +91,11 @@ int der_decode_generalizedtime(const unsigned char *in, unsigned long *inlen,
/* possible encodings are
YYYYMMDDhhmmssZ
YYYYMMDDhhmmss.[0-9]*Z
YYYYMMDDhhmmss+hh'mm'
YYYYMMDDhhmmss-hh'mm'
YYYYMMDDhhmmss.fsZ
YYYYMMDDhhmmss.fs+hh'mm'
YYYYMMDDhhmmss.fs-hh'mm'
So let's do a trivial decode upto [including] ss
*/
@ -115,7 +121,7 @@ YYYYMMDDhhmmss.[0-9]*Z
if (x >= sizeof(buf)) return CRYPT_INVALID_PACKET;
out->fs *= 10;
out->fs += char_to_int(buf[x]);
if (fs < out->fs) return CRYPT_OVERFLOW;
if (fs > out->fs) return CRYPT_OVERFLOW;
x++;
}
}

2
src/pk/asn1/der/generalizedtime/der_encode_generalizedtime.c
View File

@ -81,8 +81,8 @@ int der_encode_generalizedtime(ltc_generalizedtime *gtime,
len++;
} while(fs != 0);
while (len-- > 1) {
out[x++] = der_ia5_char_encode(baseten[(gtime->fs/divisor) % 10]);
divisor /= 10;
out[x++] = der_ia5_char_encode(baseten[(gtime->fs/divisor) % 10]);
}
out[x++] = der_ia5_char_encode(baseten[gtime->fs % 10]);
}