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create algorithmIdentifier dynamically from OID database

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This commit is contained in:
Martin Willi
2009-08-27 13:59:30 +02:00
parent c03b095ebe
commit eb73685dac
12 changed files with 28 additions and 167 deletions
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src/libstrongswan/asn1/asn1.c
+3 -140
View File
@@ -38,151 +38,14 @@ const chunk_t ASN1_INTEGER_0 = chunk_from_buf(ASN1_INTEGER_0_str);
const chunk_t ASN1_INTEGER_1 = chunk_from_buf(ASN1_INTEGER_1_str);
const chunk_t ASN1_INTEGER_2 = chunk_from_buf(ASN1_INTEGER_2_str);
/**
* some popular algorithmIdentifiers
*/
static u_char ASN1_md2_id_str[] = {
0x30, 0x0c,
0x06, 0x08,
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x02,
0x05,0x00,
};
static u_char ASN1_md5_id_str[] = {
0x30, 0x0C,
0x06, 0x08,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05,
0x05, 0x00
};
static u_char ASN1_sha1_id_str[] = {
0x30, 0x09,
0x06, 0x05,
0x2B, 0x0E,0x03, 0x02, 0x1A,
0x05, 0x00
};
static u_char ASN1_sha256_id_str[] = {
0x30, 0x0d,
0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
0x05, 0x00
};
static u_char ASN1_sha384_id_str[] = {
0x30, 0x0d,
0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02,
0x05, 0x00
};
static u_char ASN1_sha512_id_str[] = {
0x30, 0x0d,
0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03,
0x05,0x00
};
static u_char ASN1_md2WithRSA_id_str[] = {
0x30, 0x0D,
0x06, 0x09,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x02,
0x05, 0x00
};
static u_char ASN1_md5WithRSA_id_str[] = {
0x30, 0x0D,
0x06, 0x09,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x04,
0x05, 0x00
};
static u_char ASN1_sha1WithRSA_id_str[] = {
0x30, 0x0D,
0x06, 0x09,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x05,
0x05, 0x00
};
static u_char ASN1_sha256WithRSA_id_str[] = {
0x30, 0x0D,
0x06, 0x09,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x0B,
0x05, 0x00
};
static u_char ASN1_sha384WithRSA_id_str[] = {
0x30, 0x0D,
0x06, 0x09,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x0C,
0x05, 0x00
};
static u_char ASN1_sha512WithRSA_id_str[] = {
0x30, 0x0D,
0x06, 0x09,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x0D,
0x05, 0x00
};
static u_char ASN1_rsaEncryption_id_str[] = {
0x30, 0x0D,
0x06, 0x09,
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01,
0x05, 0x00
};
static const chunk_t ASN1_md2_id = chunk_from_buf(ASN1_md2_id_str);
static const chunk_t ASN1_md5_id = chunk_from_buf(ASN1_md5_id_str);
static const chunk_t ASN1_sha1_id = chunk_from_buf(ASN1_sha1_id_str);
static const chunk_t ASN1_sha256_id = chunk_from_buf(ASN1_sha256_id_str);
static const chunk_t ASN1_sha384_id = chunk_from_buf(ASN1_sha384_id_str);
static const chunk_t ASN1_sha512_id = chunk_from_buf(ASN1_sha512_id_str);
static const chunk_t ASN1_rsaEncryption_id = chunk_from_buf(ASN1_rsaEncryption_id_str);
static const chunk_t ASN1_md2WithRSA_id = chunk_from_buf(ASN1_md2WithRSA_id_str);
static const chunk_t ASN1_md5WithRSA_id = chunk_from_buf(ASN1_md5WithRSA_id_str);
static const chunk_t ASN1_sha1WithRSA_id = chunk_from_buf(ASN1_sha1WithRSA_id_str);
static const chunk_t ASN1_sha256WithRSA_id = chunk_from_buf(ASN1_sha256WithRSA_id_str);
static const chunk_t ASN1_sha384WithRSA_id = chunk_from_buf(ASN1_sha384WithRSA_id_str);
static const chunk_t ASN1_sha512WithRSA_id = chunk_from_buf(ASN1_sha512WithRSA_id_str);
/*
* Defined in header.
*/
chunk_t asn1_algorithmIdentifier(int oid)
{
switch (oid)
{
case OID_RSA_ENCRYPTION:
return ASN1_rsaEncryption_id;
case OID_MD2_WITH_RSA:
return ASN1_md2WithRSA_id;
case OID_MD5_WITH_RSA:
return ASN1_md5WithRSA_id;
case OID_SHA1_WITH_RSA:
return ASN1_sha1WithRSA_id;
case OID_SHA256_WITH_RSA:
return ASN1_sha256WithRSA_id;
case OID_SHA384_WITH_RSA:
return ASN1_sha384WithRSA_id;
case OID_SHA512_WITH_RSA:
return ASN1_sha512WithRSA_id;
case OID_MD2:
return ASN1_md2_id;
case OID_MD5:
return ASN1_md5_id;
case OID_SHA1:
return ASN1_sha1_id;
case OID_SHA256:
return ASN1_sha256_id;
case OID_SHA384:
return ASN1_sha384_id;
case OID_SHA512:
return ASN1_sha512_id;
default:
return chunk_empty;
}
return asn1_wrap(ASN1_SEQUENCE, "mm",
asn1_build_known_oid(oid),
asn1_wrap(ASN1_NULL, ""));
}
/*
src/libstrongswan/asn1/asn1.h
+2 -2
View File
@@ -92,10 +92,10 @@ extern const chunk_t ASN1_INTEGER_2;
/** Some ASN.1 analysis functions */
/**
* Returns some popular algorithmIdentifiers
* Build an algorithmIdentifier from a known OID.
*
* @param oid known OID index
* @return body of the corresponding OID
* @return body of the corresponding OID, allocated
*/
chunk_t asn1_algorithmIdentifier(int oid);