Differential D17276 Diff 48789 projects/openssl111/crypto/heimdal/lib/gssapi/krb5/verify_mic.c

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projects/openssl111/crypto/heimdal/lib/gssapi/krb5/verify_mic.c

Show First 20 Lines • Show All 45 Lines • ▼ Show 20 Lines	verify_mic_des
krb5_keyblock *key,		krb5_keyblock *key,
const char *type		const char *type
)		)
{		{
u_char *p;		u_char *p;
EVP_MD_CTX *md5;		EVP_MD_CTX *md5;
u_char hash[16], *seq;		u_char hash[16], *seq;
DES_key_schedule schedule;		DES_key_schedule schedule;
EVP_CIPHER_CTX des_ctx;		EVP_CIPHER_CTX *des_ctx;
DES_cblock zero;		DES_cblock zero;
DES_cblock deskey;		DES_cblock deskey;
uint32_t seq_number;		uint32_t seq_number;
OM_uint32 ret;		OM_uint32 ret;
int cmp;		int cmp;

p = token_buffer->value;		p = token_buffer->value;
ret = _gsskrb5_verify_header (&p,		ret = _gsskrb5_verify_header (&p,
Show All 28 Lines	verify_mic_des
if (ct_memcmp (p - 8, hash, 8) != 0) {		if (ct_memcmp (p - 8, hash, 8) != 0) {
memset (deskey, 0, sizeof(deskey));		memset (deskey, 0, sizeof(deskey));
memset (&schedule, 0, sizeof(schedule));		memset (&schedule, 0, sizeof(schedule));
return GSS_S_BAD_MIC;		return GSS_S_BAD_MIC;
}		}

/* verify sequence number */		/* verify sequence number */

		des_ctx = EVP_CIPHER_CTX_new();
		if (des_ctx == NULL) {
		memset (deskey, 0, sizeof(deskey));
		memset (&schedule, 0, sizeof(schedule));
		*minor_status = ENOMEM;
		return GSS_S_FAILURE;
		}

HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex);		HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex);

p -= 16;		p -= 16;

EVP_CIPHER_CTX_init(&des_ctx);		EVP_CipherInit_ex(des_ctx, EVP_des_cbc(), NULL, key->keyvalue.data, hash, 0);
EVP_CipherInit_ex(&des_ctx, EVP_des_cbc(), NULL, key->keyvalue.data, hash, 0);		EVP_Cipher(des_ctx, p, p, 8);
EVP_Cipher(&des_ctx, p, p, 8);		EVP_CIPHER_CTX_free(des_ctx);
EVP_CIPHER_CTX_cleanup(&des_ctx);

memset (deskey, 0, sizeof(deskey));		memset (deskey, 0, sizeof(deskey));
memset (&schedule, 0, sizeof(schedule));		memset (&schedule, 0, sizeof(schedule));

seq = p;		seq = p;
_gsskrb5_decode_om_uint32(seq, &seq_number);		_gsskrb5_decode_om_uint32(seq, &seq_number);

if (context_handle->more_flags & LOCAL)		if (context_handle->more_flags & LOCAL)
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