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add padding for variable ecc signature size

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This commit is contained in:
Jacob Barthelmeh
2022-05-16 15:26:29 -06:00
parent ec619e3f35
commit 1dc5e4cee5
1 changed files with 3 additions and 0 deletions
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wolfcrypt/src/pkcs7.c
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@@ -2624,6 +2624,9 @@ static int PKCS7_EncodeSigned(PKCS7* pkcs7, ESD* esd,
if (totalSz > *outputSz) { if (totalSz > *outputSz) {
if (*outputSz == 0) { if (*outputSz == 0) {
if (pkcs7->publicKeyOID == ECDSAk) {
totalSz += ECC_MAX_PAD_SZ; /* signatures size can vary */
}
*outputSz = totalSz; *outputSz = totalSz;
idx = totalSz; idx = totalSz;
goto out; goto out;