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Fix for curve load failure leak.

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This commit is contained in:
David Garske
2019-02-25 15:19:31 -08:00
parent 712ecabf36
commit 2bb5dd710c
1 changed files with 3 additions and 1 deletions
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4
wolfcrypt/src/ecc.c
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@ -4250,8 +4250,10 @@ static int wc_ecc_sign_hash_hw(const byte* in, word32 inlen,
/* if the input is larger than curve order, we must truncate */
ALLOC_CURVE_SPECS(1);
err = wc_ecc_curve_load(key->dp, &curve, ECC_CURVE_FIELD_ORDER);
if (err != 0)
if (err != 0) {
FREE_CURVE_SPECS();
return err;
}
orderBits = mp_count_bits(curve->order);
if ((inlen * WOLFSSL_BIT_SIZE) > orderBits) {
inlen = (orderBits + WOLFSSL_BIT_SIZE - 1) / WOLFSSL_BIT_SIZE;