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/*
* Hash Function Identification
* (C) 1999-2008 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/internal/hash_id.h>
#include <botan/exceptn.h>
namespace Botan {
namespace {
const uint8_t MD5_PKCS_ID[] = {
0x30, 0x20, 0x30, 0x0C, 0x06, 0x08, 0x2A, 0x86, 0x48, 0x86,
0xF7, 0x0D, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10 };
const uint8_t RIPEMD_160_PKCS_ID[] = {
0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x24, 0x03, 0x02,
0x01, 0x05, 0x00, 0x04, 0x14 };
const uint8_t SHA_160_PKCS_ID[] = {
0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x0E, 0x03, 0x02,
0x1A, 0x05, 0x00, 0x04, 0x14 };
const uint8_t SHA_224_PKCS_ID[] = {
0x30, 0x2D, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
0x65, 0x03, 0x04, 0x02, 0x04, 0x05, 0x00, 0x04, 0x1C };
const uint8_t SHA_256_PKCS_ID[] = {
0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20 };
const uint8_t SHA_384_PKCS_ID[] = {
0x30, 0x41, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
0x65, 0x03, 0x04, 0x02, 0x02, 0x05, 0x00, 0x04, 0x30 };
const uint8_t SHA_512_PKCS_ID[] = {
0x30, 0x51, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40 };
const uint8_t SHA_512_256_PKCS_ID[] = {
0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
0x65, 0x03, 0x04, 0x02, 0x06, 0x05, 0x00, 0x04, 0x20 };
const uint8_t SHA3_224_PKCS_ID[] = {
0x30, 0x2D, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65,
0x03, 0x04, 0x02, 0x07, 0x05, 0x00, 0x04, 0x1C };
const uint8_t SHA3_256_PKCS_ID[] = {
0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65,
0x03, 0x04, 0x02, 0x08, 0x05, 0x00, 0x04, 0x20 };
const uint8_t SHA3_384_PKCS_ID[] = {
0x30, 0x41, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65,
0x03, 0x04, 0x02, 0x09, 0x05, 0x00, 0x04, 0x30 };
const uint8_t SHA3_512_PKCS_ID[] = {
0x30, 0x51, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65,
0x03, 0x04, 0x02, 0x0A, 0x05, 0x00, 0x04, 0x40 };
const uint8_t SM3_PKCS_ID[] = {
0x30, 0x30, 0x30, 0x0C, 0x06, 0x08, 0x2A, 0x81, 0x1C, 0xCF,
0x55, 0x01, 0x83, 0x11, 0x05, 0x00, 0x04, 0x20,
};
}
/*
* HashID as specified by PKCS
*/
std::vector<uint8_t> pkcs_hash_id(const std::string& name)
{
// Special case for SSL/TLS RSA signatures
if(name == "Parallel(MD5,SHA-160)")
return std::vector<uint8_t>();
// If you add a value to this function, also update test_hash_id.cpp
if(name == "MD5")
return std::vector<uint8_t>(MD5_PKCS_ID,
MD5_PKCS_ID + sizeof(MD5_PKCS_ID));
if(name == "RIPEMD-160")
return std::vector<uint8_t>(RIPEMD_160_PKCS_ID,
RIPEMD_160_PKCS_ID + sizeof(RIPEMD_160_PKCS_ID));
if(name == "SHA-160" || name == "SHA-1" || name == "SHA1")
return std::vector<uint8_t>(SHA_160_PKCS_ID,
SHA_160_PKCS_ID + sizeof(SHA_160_PKCS_ID));
if(name == "SHA-224")
return std::vector<uint8_t>(SHA_224_PKCS_ID,
SHA_224_PKCS_ID + sizeof(SHA_224_PKCS_ID));
if(name == "SHA-256")
return std::vector<uint8_t>(SHA_256_PKCS_ID,
SHA_256_PKCS_ID + sizeof(SHA_256_PKCS_ID));
if(name == "SHA-384")
return std::vector<uint8_t>(SHA_384_PKCS_ID,
SHA_384_PKCS_ID + sizeof(SHA_384_PKCS_ID));
if(name == "SHA-512")
return std::vector<uint8_t>(SHA_512_PKCS_ID,
SHA_512_PKCS_ID + sizeof(SHA_512_PKCS_ID));
if(name == "SHA-512-256")
return std::vector<uint8_t>(SHA_512_256_PKCS_ID,
SHA_512_256_PKCS_ID + sizeof(SHA_512_256_PKCS_ID));
if(name == "SHA-3(224)")
return std::vector<uint8_t>(SHA3_224_PKCS_ID,
SHA3_224_PKCS_ID + sizeof(SHA3_224_PKCS_ID));
if(name == "SHA-3(256)")
return std::vector<uint8_t>(SHA3_256_PKCS_ID,
SHA3_256_PKCS_ID + sizeof(SHA3_256_PKCS_ID));
if(name == "SHA-3(384)")
return std::vector<uint8_t>(SHA3_384_PKCS_ID,
SHA3_384_PKCS_ID + sizeof(SHA3_384_PKCS_ID));
if(name == "SHA-3(512)")
return std::vector<uint8_t>(SHA3_512_PKCS_ID,
SHA3_512_PKCS_ID + sizeof(SHA3_512_PKCS_ID));
if(name == "SM3")
return std::vector<uint8_t>(SM3_PKCS_ID, SM3_PKCS_ID + sizeof(SM3_PKCS_ID));
throw Invalid_Argument("No PKCS #1 identifier for " + name);
}
/*
* HashID as specified by IEEE 1363/X9.31
*/
uint8_t ieee1363_hash_id(const std::string& name)
{
if(name == "SHA-160" || name == "SHA-1" || name == "SHA1")
return 0x33;
if(name == "SHA-224") return 0x38;
if(name == "SHA-256") return 0x34;
if(name == "SHA-384") return 0x36;
if(name == "SHA-512") return 0x35;
if(name == "RIPEMD-160") return 0x31;
if(name == "Whirlpool") return 0x37;
return 0;
}
}
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