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Spot when we didn't successfully create an RSA public key from a

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public blob, and return a proper error in that situation rather than a
struct with unhelpful NULLs in.

[originally from svn r9991]
This commit is contained in:
Simon Tatham 2013-08-04 19:34:10 +00:00
parent cb1df53360
commit 20aabc3059
1 changed files with 7 additions and 0 deletions
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7
sshrsa.c
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@ -561,6 +561,8 @@ static Bignum getmp(char **data, int *datalen)
return b;
}
static void rsa2_freekey(void *key); /* forward reference */
static void *rsa2_newkey(char *data, int len)
{
char *p;
@ -580,6 +582,11 @@ static void *rsa2_newkey(char *data, int len)
rsa->p = rsa->q = rsa->iqmp = NULL;
rsa->comment = NULL;
if (!rsa->exponent || !rsa->modulus) {
rsa2_freekey(rsa);
return NULL;
}
return rsa;
}