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Fix Issue #4983 : Increased size of buffer to encrypt hash with kerberos.

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This commit is contained in:
Pascal J. Bourguignon 2018-11-06 11:20:02 +01:00
parent aecc77cd77
commit 6f2caef778
1 changed files with 1 additions and 3 deletions
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4
libfreerdp/core/nla.c
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@ -1126,9 +1126,7 @@ SECURITY_STATUS nla_encrypt_public_key_hash(rdpNla* nla)
SECURITY_STATUS status = SEC_E_INTERNAL_ERROR;
WINPR_DIGEST_CTX* sha256 = NULL;
const BOOL krb = (_tcsncmp(nla->packageName, KERBEROS_SSP_NAME, ARRAYSIZE(KERBEROS_SSP_NAME)) == 0);
const ULONG auth_data_length = krb ? WINPR_SHA256_DIGEST_LENGTH :
(nla->ContextSizes.cbSecurityTrailer
+ WINPR_SHA256_DIGEST_LENGTH);
const ULONG auth_data_length = (nla->ContextSizes.cbSecurityTrailer + WINPR_SHA256_DIGEST_LENGTH);
const BYTE* hashMagic = nla->server ? ServerClientHashMagic : ClientServerHashMagic;
const size_t hashSize = nla->server ? sizeof(ServerClientHashMagic) : sizeof(ClientServerHashMagic);