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Diffstat (limited to 'contrib/pgcrypto/rijndael.h')
| -rw-r--r-- | contrib/pgcrypto/rijndael.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/contrib/pgcrypto/rijndael.h b/contrib/pgcrypto/rijndael.h new file mode 100644 index 0000000..bc9ddfa --- /dev/null +++ b/contrib/pgcrypto/rijndael.h @@ -0,0 +1,59 @@ +/* + * contrib/pgcrypto/rijndael.h + * + * $OpenBSD: rijndael.h,v 1.3 2001/05/09 23:01:32 markus Exp $ */ + +/* This is an independent implementation of the encryption algorithm: */ +/* */ +/* RIJNDAEL by Joan Daemen and Vincent Rijmen */ +/* */ +/* which is a candidate algorithm in the Advanced Encryption Standard */ +/* programme of the US National Institute of Standards and Technology. */ +/* */ +/* Copyright in this implementation is held by Dr B R Gladman but I */ +/* hereby give permission for its free direct or derivative use subject */ +/* to acknowledgment of its origin and compliance with any conditions */ +/* that the originators of the algorithm place on its exploitation. */ +/* */ +/* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999 */ + +#ifndef _RIJNDAEL_H_ +#define _RIJNDAEL_H_ + +/* 1. Standard types for AES cryptography source code */ + +typedef uint8 u1byte; /* an 8 bit unsigned character type */ +typedef uint16 u2byte; /* a 16 bit unsigned integer type */ +typedef uint32 u4byte; /* a 32 bit unsigned integer type */ + +typedef int8 s1byte; /* an 8 bit signed character type */ +typedef int16 s2byte; /* a 16 bit signed integer type */ +typedef int32 s4byte; /* a 32 bit signed integer type */ + +typedef struct _rijndael_ctx +{ + u4byte k_len; + int decrypt; + u4byte e_key[64]; + u4byte d_key[64]; +} rijndael_ctx; + + +/* 2. Standard interface for AES cryptographic routines */ + +/* These are all based on 32 bit unsigned values and will therefore */ +/* require endian conversions for big-endian architectures */ + +rijndael_ctx *rijndael_set_key(rijndael_ctx *, const u4byte *, const u4byte, int); +void rijndael_encrypt(rijndael_ctx *, const u4byte *, u4byte *); +void rijndael_decrypt(rijndael_ctx *, const u4byte *, u4byte *); + +/* conventional interface */ + +void aes_set_key(rijndael_ctx *ctx, const uint8 *key, unsigned keybits, int enc); +void aes_ecb_encrypt(rijndael_ctx *ctx, uint8 *data, unsigned len); +void aes_ecb_decrypt(rijndael_ctx *ctx, uint8 *data, unsigned len); +void aes_cbc_encrypt(rijndael_ctx *ctx, uint8 *iva, uint8 *data, unsigned len); +void aes_cbc_decrypt(rijndael_ctx *ctx, uint8 *iva, uint8 *data, unsigned len); + +#endif /* _RIJNDAEL_H_ */ |