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fix coverity 1485660 improper use of negative value

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Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15635)
This commit is contained in:
Pauli 2021-06-07 09:23:41 +10:00
parent 37bbe44929
commit 6c1d17c802
1 changed files with 6 additions and 1 deletions
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7
engines/e_padlock.c
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@ -457,7 +457,12 @@ padlock_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out_arg,
const unsigned char *in_arg, size_t nbytes)
{
struct padlock_cipher_data *cdata = ALIGNED_CIPHER_DATA(ctx);
unsigned int num = EVP_CIPHER_CTX_get_num(ctx);
int n = EVP_CIPHER_CTX_get_num(ctx);
unsigned int num;
if (n < 0)
return 0;
num = (unsigned int)n;
CRYPTO_ctr128_encrypt_ctr32(in_arg, out_arg, nbytes,
cdata, EVP_CIPHER_CTX_iv_noconst(ctx),