use of asn1_build_known_oid()

This commit is contained in:
Andreas Steffen
2009-10-08 12:35:36 +02:00
parent 0354d5703d
commit 88212ee6e7
+29 -86
View File
@@ -130,38 +130,6 @@ static const asn1Object_t envelopedDataObjects[] = {
#define PKCS7_ENCRYPTED_CONTENT 14
#define PKCS7_ENVELOPED_ROOF 15
/**
* PKCS7 contentInfo OIDs
*/
static chunk_t ASN1_pkcs7_data_oid = chunk_from_chars(
0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x07, 0x01
);
static chunk_t ASN1_pkcs7_signed_data_oid = chunk_from_chars(
0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x07, 0x02
);
static chunk_t ASN1_pkcs7_enveloped_data_oid = chunk_from_chars(
0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x07, 0x03
);
static chunk_t ASN1_pkcs7_signed_enveloped_data_oid = chunk_from_chars(
0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x07, 0x04
);
static chunk_t ASN1_pkcs7_digested_data_oid = chunk_from_chars(
0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x07, 0x06
);
static chunk_t ASN1_pkcs7_encrypted_data_oid = chunk_from_chars(
0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x07, 0x05
);
/**
* PKCS#7 attribute type OIDs
*/
static chunk_t ASN1_contentType_oid = chunk_from_chars(
0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x09, 0x03
);
static chunk_t ASN1_messageDigest_oid = chunk_from_chars(
0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x09, 0x04
);
/**
* Parse PKCS#7 ContentInfo object
*/
@@ -205,7 +173,6 @@ end:
bool pkcs7_parse_signedData(chunk_t blob, contentInfo_t *data, x509cert_t **cert,
chunk_t *attributes, certificate_t *cacert)
{
u_char buf[BUF_LEN];
asn1_parser_t *parser;
chunk_t object;
int digest_alg = OID_UNKNOWN;
@@ -281,9 +248,13 @@ bool pkcs7_parse_signedData(chunk_t blob, contentInfo_t *data, x509cert_t **cert
DBG2(" v%d", version);
break;
case PKCS7_SIGNED_ISSUER:
dntoa(buf, BUF_LEN, object);
DBG2(" '%s'",buf);
break;
{
identification_t *issuer = identification_create_from_encoding(
ID_DER_ASN1_DN, object);
DBG2(" \"%Y\"", issuer);
issuer->destroy(issuer);
break;
}
case PKCS7_AUTH_ATTRIBUTES:
if (attributes != NULL)
{
@@ -377,7 +348,6 @@ bool pkcs7_parse_envelopedData(chunk_t blob, chunk_t *data,
crypter_t *crypter = NULL;
u_char buf[BUF_LEN];
int enc_alg = OID_UNKNOWN;
int content_enc_alg = OID_UNKNOWN;
int version;
@@ -425,9 +395,13 @@ bool pkcs7_parse_envelopedData(chunk_t blob, chunk_t *data,
}
break;
case PKCS7_ISSUER:
dntoa(buf, BUF_LEN, object);
DBG2(" '%s'", buf);
break;
{
identification_t *issuer = identification_create_from_encoding(
ID_DER_ASN1_DN, object);
DBG2(" \"%Y\"", issuer);
issuer->destroy(issuer);
break;
}
case PKCS7_SERIAL_NUMBER:
if (!chunk_equals(serialNumber, object))
{
@@ -561,9 +535,10 @@ failed:
*/
chunk_t pkcs7_contentType_attribute(void)
{
return asn1_wrap(ASN1_SEQUENCE, "cm"
, ASN1_contentType_oid
, asn1_simple_object(ASN1_SET, ASN1_pkcs7_data_oid));
return asn1_wrap(ASN1_SEQUENCE, "mm",
asn1_build_known_oid(OID_PKCS9_CONTENT_TYPE),
asn1_wrap(ASN1_SET, "m",
asn1_build_known_oid(OID_PKCS7_DATA)));
}
/**
@@ -586,12 +561,10 @@ chunk_t pkcs7_messageDigest_attribute(chunk_t content, int digest_alg)
hasher->allocate_hash(hasher, content, &digest);
hasher->destroy(hasher);
return asn1_wrap(ASN1_SEQUENCE, "cm",
ASN1_messageDigest_oid,
asn1_wrap(ASN1_SET, "m",
asn1_wrap(ASN1_OCTET_STRING, "m", digest)
)
);
return asn1_wrap(ASN1_SEQUENCE, "mm",
asn1_build_known_oid(OID_PKCS9_MESSAGE_DIGEST),
asn1_wrap(ASN1_SET, "m",
asn1_wrap(ASN1_OCTET_STRING, "m", digest)));
}
/**
@@ -599,41 +572,11 @@ chunk_t pkcs7_messageDigest_attribute(chunk_t content, int digest_alg)
*/
static chunk_t pkcs7_build_contentInfo(contentInfo_t *cInfo)
{
chunk_t content_type;
/* select DER-encoded OID for pkcs7 contentInfo type */
switch(cInfo->type)
{
case OID_PKCS7_DATA:
content_type = ASN1_pkcs7_data_oid;
break;
case OID_PKCS7_SIGNED_DATA:
content_type = ASN1_pkcs7_signed_data_oid;
break;
case OID_PKCS7_ENVELOPED_DATA:
content_type = ASN1_pkcs7_enveloped_data_oid;
break;
case OID_PKCS7_SIGNED_ENVELOPED_DATA:
content_type = ASN1_pkcs7_signed_enveloped_data_oid;
break;
case OID_PKCS7_DIGESTED_DATA:
content_type = ASN1_pkcs7_digested_data_oid;
break;
case OID_PKCS7_ENCRYPTED_DATA:
content_type = ASN1_pkcs7_encrypted_data_oid;
break;
case OID_UNKNOWN:
default:
DBG1("invalid pkcs7 contentInfo type");
return chunk_empty;
}
return (cInfo->content.ptr == NULL)
? asn1_simple_object(ASN1_SEQUENCE, content_type)
: asn1_wrap(ASN1_SEQUENCE, "cm"
, content_type
, asn1_simple_object(ASN1_CONTEXT_C_0, cInfo->content)
);
return (cInfo->content.ptr) ?
asn1_wrap(ASN1_SEQUENCE, "mm",
asn1_build_known_oid(cInfo->type),
asn1_simple_object(ASN1_CONTEXT_C_0, cInfo->content)) :
asn1_build_known_oid(cInfo->type);
}
/**
@@ -783,8 +726,8 @@ chunk_t pkcs7_build_envelopedData(chunk_t data, certificate_t *cert, int enc_alg
, asn1_build_known_oid(enc_alg)
, asn1_simple_object(ASN1_OCTET_STRING, iv));
chunk_t encryptedContentInfo = asn1_wrap(ASN1_SEQUENCE, "cmm"
, ASN1_pkcs7_data_oid
chunk_t encryptedContentInfo = asn1_wrap(ASN1_SEQUENCE, "mmm"
, asn1_build_known_oid(OID_PKCS7_DATA)
, contentEncryptionAlgorithm
, asn1_wrap(ASN1_CONTEXT_S_0, "m", out));