54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
#ifndef __AES_H__
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#define __AES_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define AES_MIN_KEY_SIZE 16
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#define AES_MAX_KEY_SIZE 32
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#define AES_BLOCK_SIZE 16
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typedef unsigned char u8;
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typedef signed char s8;
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typedef signed short s16;
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typedef unsigned short u16;
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typedef signed int s32;
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typedef unsigned int u32;
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typedef signed long long s64;
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typedef unsigned long long u64;
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typedef u16 __le16;
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typedef u32 __le32;
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#define E_KEY (&ctx->buf[0])
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#define D_KEY (&ctx->buf[60])
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#define le32_to_cpu
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#define cpu_to_le32
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struct aes_ctx
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{
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int key_length;
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u32 buf[120];
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};
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void gen_tabs (void);
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int aes_set_key(struct aes_ctx * ctx, const u8 *in_key, unsigned int key_len);
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void aes_encrypt(struct aes_ctx * ctx, u8 *out, const u8 *in);
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void aes_decrypt(struct aes_ctx * ctx, u8 *out, const u8 *in);
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int AesEncrypt(struct aes_ctx * ctx,unsigned char* in, unsigned char* result, int len);
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int AesDecrypt(struct aes_ctx * ctx,unsigned char* in,unsigned char* result);
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/* 如果out为null则返回加密缓冲区需要的字节长度，否则返回加密后实际使用out的字节长度 */
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s64 _AESEncrypt(struct aes_ctx *ctx, unsigned char* out, const unsigned char* in, s64 inlen);
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/* 成功返回0，否则返回非0值 */
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int _AESDecrypt(struct aes_ctx *ctx, unsigned char* out, const unsigned char* in, s64 inlen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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