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Fix/f8866 #11891

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Merged
philljj merged 1 commit into from
Oct 28, 2026
Merged

Fix/f8866 #11891

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3 changes: 2 additions & 1 deletion src/ssl_crypto.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2611,7 +2611,8 @@ WOLFSSL_DES_LONG wolfSSL_DES_cbc_cksum(const unsigned char* in,
WOLFSSL_ENTER("wolfSSL_DES_cbc_cksum");

/* Validate parameters. */
if ((in == NULL) || (out == NULL) || (sc == NULL) || (iv == NULL)) {
if ((in == NULL) || (out == NULL) || (sc == NULL) || (iv == NULL)
|| length <= 0) {
WOLFSSL_MSG("Bad argument passed in");
err = 1;
}
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3 changes: 3 additions & 0 deletions tests/api/test_ossl_cipher.c
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Expand Up @@ -147,6 +147,9 @@ int test_wolfSSL_DES(void)
ExpectIntEQ((DES_cbc_cksum(msg, NULL, sizeof(msg), &myDes, &iv)), 0);
ExpectIntEQ((DES_cbc_cksum(msg, &key, sizeof(msg), NULL, &iv)), 0);
ExpectIntEQ((DES_cbc_cksum(msg, &key, sizeof(msg), &myDes, NULL)), 0);
ExpectIntEQ((DES_cbc_cksum(msg, &key, 0, &myDes, &iv)), 0);
ExpectIntEQ((DES_cbc_cksum(msg, &key, -1, &myDes, &iv)), 0);

/* DES_cbc_cksum should return the last 4 of the last 8 bytes after
* DES_cbc_encrypt on the input */
XMEMSET(iv, 0, sizeof(DES_cblock));
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