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authorMattias Andrée <maandree@kth.se>2022-02-16 23:55:44 +0100
committerMattias Andrée <maandree@kth.se>2022-02-16 23:55:44 +0100
commitd21c35a32fe49d145e1df6df0be1af33a0e16669 (patch)
treec17c9938e668271e4f98c4cfd2671b9ed5b4d5c9
parentStrict parameter order in parameter string (this is what is done in the reference implementation and is the desirable behaviour) (diff)
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Fix previous commit
Signed-off-by: Mattias Andrée <maandree@kth.se>
-rw-r--r--libar2_decode_params.c4
-rw-r--r--test.c5
2 files changed, 7 insertions, 2 deletions
diff --git a/libar2_decode_params.c b/libar2_decode_params.c
index 1f7d270..86fae6c 100644
--- a/libar2_decode_params.c
+++ b/libar2_decode_params.c
@@ -8,7 +8,7 @@ decode_u32(const char *s, uint_least32_t *outp)
uint_least32_t digit;
size_t i;
- if ((s[0] == '0' && s[1] != '0') || !isdigit(s[0])) {
+ if (s[0] == '0' || !isdigit(s[0])) {
errno = EINVAL;
return 0;
}
@@ -59,6 +59,8 @@ libar2_decode_params(const char *str, struct libar2_argon2_parameters *params, c
goto fail;
if (u32 > (uint_least32_t)INT_MAX)
goto erange;
+ if (!u32)
+ goto einval;
params->version = (enum libar2_argon2_version)u32;
str += n + 2;
if (*str++ != '$')
diff --git a/test.c b/test.c
index 24f8ba7..c6f5db5 100644
--- a/test.c
+++ b/test.c
@@ -1135,8 +1135,11 @@ check_failures(void)
CHECK("$argon2id$p=128,m=128,t=128$AAAABBBBCCCC$");
CHECK("$argon2id$p=128,t=128,m=128$AAAABBBBCCCC$");
CHECK("$argon2id$m=0128,t=128,p=128$AAAABBBBCCCC$");
+ CHECK("$argon2id$m=00128,t=128,p=128$AAAABBBBCCCC$");
CHECK("$argon2id$m=128,t=0128,p=128$AAAABBBBCCCC$");
- CHECK("$argon2id$m=128,t=128,p=0128$AAAABBBBCCCC$");
+ CHECK("$argon2id$m=128,t=00128,p=128$AAAABBBBCCCC$");
+ CHECK("$argon2id$m=128,t=128,p=0128$AAAABBBBCCCC$");;
+ CHECK("$argon2id$m=128,t=128,p=00128$AAAABBBBCCCC$");
CHECK("$argon2id$v=0$m=128,t=128,p=128$AAAABBBBCCCC$");
CHECK("$argon2id$v=016$m=128,t=128,p=128$AAAABBBBCCCC$");
errno = 0;