Files
llgo/c/openssl/sha1.go
2024-07-30 21:56:19 +08:00

95 lines
2.7 KiB
Go

/*
* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package openssl
import (
"unsafe"
"github.com/goplus/llgo/c"
)
const (
SHA_DIGEST_LENGTH = 20
SHA_LBLOCK = 16
SHA_CBLOCK = (SHA_LBLOCK * 4)
SHA_LAST_BLOCK = (SHA_CBLOCK - 8)
SHA256_CBLOCK = (SHA_LBLOCK * 4)
SHA256_192_DIGEST_LENGTH = 24
SHA224_DIGEST_LENGTH = 28
SHA256_DIGEST_LENGTH = 32
SHA384_DIGEST_LENGTH = 48
SHA512_DIGEST_LENGTH = 64
SHA512_CBLOCK = (SHA_LBLOCK * 8)
)
type SHA_LONG64 = c.UlongLong
type SHA_LONG = c.Uint
type SHA_CTX struct {
H0, H1, H2, H3, H4 SHA_LONG
Nl, Nh SHA_LONG
Data [SHA_LBLOCK]SHA_LONG
Num c.Uint
}
// OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c);
//
// llgo:link (*SHA_CTX).Init C.SHA1_Init
func (c *SHA_CTX) Init() c.Int { return 0 }
// OSSL_DEPRECATEDIN_3_0 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
//
// llgo:link (*SHA_CTX).Update C.SHA1_Update
func (c *SHA_CTX) Update(data unsafe.Pointer, n uintptr) c.Int { return 0 }
func (c *SHA_CTX) UpdateBytes(data []byte) c.Int {
return c.Update(unsafe.Pointer(unsafe.SliceData(data)), uintptr(len(data)))
}
func (c *SHA_CTX) UpdateString(data string) c.Int {
return c.Update(unsafe.Pointer(unsafe.StringData(data)), uintptr(len(data)))
}
// OSSL_DEPRECATEDIN_3_0 int SHA1_Final(unsigned char *md, SHA_CTX *c);
//
//go:linkname sha1Final C.SHA1_Final
func sha1Final(md *byte, c *SHA_CTX) c.Int
func (c *SHA_CTX) Final(md *byte) c.Int {
return sha1Final(md, c)
}
// OSSL_DEPRECATEDIN_3_0 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
//
// llgo:link (*SHA_CTX).Transform C.SHA1_Transform
func (c *SHA_CTX) Transform(data *byte) {}
// unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
//
//go:linkname SHA1 C.SHA1
func SHA1(data unsafe.Pointer, n uintptr, md *byte) *byte
func SHA1Bytes(data []byte, md *byte) *byte {
return SHA1(unsafe.Pointer(unsafe.SliceData(data)), uintptr(len(data)), md)
}
func SHA1String(data string, md *byte) *byte {
return SHA1(unsafe.Pointer(unsafe.StringData(data)), uintptr(len(data)), md)
}