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added v3 signature verification codes for ripemd-160, sha224, sha512 and sha384

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-OpenPGP@5233 b45a01b8-16f6-495d-af2f-9b41ad6348cc
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csoler 2012-06-19 18:51:32 +00:00
parent ef424a1e11
commit b603ef9d9f
1 changed files with 85 additions and 64 deletions
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23
openpgpsdk/src/signature.c
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@ -87,10 +87,24 @@ static unsigned char prefix_md5[]={ 0x30,0x20,0x30,0x0C,0x06,0x08,0x2A,0x86,
static unsigned char prefix_sha1[]={ 0x30,0x21,0x30,0x09,0x06,0x05,0x2b,0x0E,
0x03,0x02,0x1A,0x05,0x00,0x04,0x14 };
static unsigned char prefix_sha224[]={ 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, 0x05,
0x00, 0x04, 0x1C };
static unsigned char prefix_sha256[]={ 0x30,0x31,0x30,0x0d,0x06,0x09,0x60,0x86,
0x48,0x01,0x65,0x03,0x04,0x02,0x01,0x05,
0x00,0x04,0x20 };
static unsigned char prefix_sha384[]={ 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05,
0x00, 0x04, 0x30 };
static unsigned char prefix_sha512[]={ 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05,
0x00, 0x04, 0x40 };
static unsigned char prefix_ripemd[]={ 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x24,
0x03, 0x02, 0x01, 0x05, 0x00, 0x04, 0x14 };
/**
\ingroup Core_Create
implementation of EMSA-PKCS1-v1_5, as defined in OpenPGP RFC
@ -289,8 +303,15 @@ static ops_boolean_t rsa_verify(ops_hash_algorithm_t type,
{
case OPS_HASH_MD5 : prefix=prefix_md5 ; plen=sizeof prefix_md5; break;
case OPS_HASH_SHA1 : prefix=prefix_sha1 ; plen=sizeof prefix_sha1; break;
case OPS_HASH_SHA224 : prefix=prefix_sha224 ; plen=sizeof prefix_sha224; break;
case OPS_HASH_SHA256 : prefix=prefix_sha256 ; plen=sizeof prefix_sha256; break;
default: assert(0); break;
case OPS_HASH_SHA384 : prefix=prefix_sha384 ; plen=sizeof prefix_sha384; break;
case OPS_HASH_SHA512 : prefix=prefix_sha512 ; plen=sizeof prefix_sha512; break;
case OPS_HASH_RIPEMD : prefix=prefix_ripemd ; plen=sizeof prefix_ripemd; break;
default:
fprintf(stderr,"Warning: unhandled hash type in signature verification code: %d\n",type) ;
assert(0); break;
}
if(keysize-plen-hash_length < 10)