Fork of François Berder Crypto, fixed AES CBC and small rework
Dependents: AES_example shaun_larada Smartage
Fork of Crypto by
SHA2_32.h@5:06cd9c8afa0b, 2013-09-12 (annotated)
- Committer:
- feb11
- Date:
- Thu Sep 12 15:08:51 2013 +0000
- Revision:
- 5:06cd9c8afa0b
- Parent:
- 0:7a1237bd2d13
- Child:
- 6:19aa835f2bbb
change API & small improvements in SHA-2
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
feb11 | 0:7a1237bd2d13 | 1 | #ifndef SHA2_32_H |
feb11 | 0:7a1237bd2d13 | 2 | #define SHA2_32_H |
feb11 | 0:7a1237bd2d13 | 3 | |
feb11 | 0:7a1237bd2d13 | 4 | #include <stdint.h> |
feb11 | 0:7a1237bd2d13 | 5 | |
feb11 | 0:7a1237bd2d13 | 6 | enum SHA_32_TYPE |
feb11 | 0:7a1237bd2d13 | 7 | { |
feb11 | 0:7a1237bd2d13 | 8 | SHA_224, |
feb11 | 0:7a1237bd2d13 | 9 | SHA_256 |
feb11 | 0:7a1237bd2d13 | 10 | }; |
feb11 | 0:7a1237bd2d13 | 11 | |
feb11 | 0:7a1237bd2d13 | 12 | class SHA2_32 |
feb11 | 0:7a1237bd2d13 | 13 | { |
feb11 | 0:7a1237bd2d13 | 14 | public : |
feb11 | 0:7a1237bd2d13 | 15 | |
feb11 | 0:7a1237bd2d13 | 16 | SHA2_32(SHA_32_TYPE type); |
feb11 | 5:06cd9c8afa0b | 17 | void update(uint8_t *in, uint32_t length); |
feb11 | 5:06cd9c8afa0b | 18 | void finalize(uint8_t *digest); |
feb11 | 0:7a1237bd2d13 | 19 | static void computeDigest(SHA_32_TYPE type, uint8_t *digest, uint8_t *in, uint32_t length); |
feb11 | 0:7a1237bd2d13 | 20 | |
feb11 | 0:7a1237bd2d13 | 21 | private : |
feb11 | 0:7a1237bd2d13 | 22 | |
feb11 | 0:7a1237bd2d13 | 23 | static void computeBlock(uint32_t *h02, |
feb11 | 0:7a1237bd2d13 | 24 | uint32_t *h12, |
feb11 | 0:7a1237bd2d13 | 25 | uint32_t *h22, |
feb11 | 0:7a1237bd2d13 | 26 | uint32_t *h32, |
feb11 | 0:7a1237bd2d13 | 27 | uint32_t *h42, |
feb11 | 0:7a1237bd2d13 | 28 | uint32_t *h52, |
feb11 | 0:7a1237bd2d13 | 29 | uint32_t *h62, |
feb11 | 0:7a1237bd2d13 | 30 | uint32_t *h72, |
feb11 | 0:7a1237bd2d13 | 31 | uint8_t *buffer); |
feb11 | 0:7a1237bd2d13 | 32 | |
feb11 | 0:7a1237bd2d13 | 33 | SHA_32_TYPE type; |
feb11 | 0:7a1237bd2d13 | 34 | uint32_t h0, h1, h2, h3, h4, h5, h6, h7; |
feb11 | 0:7a1237bd2d13 | 35 | uint32_t totalBufferLength; |
feb11 | 0:7a1237bd2d13 | 36 | uint8_t buffer[64]; |
feb11 | 0:7a1237bd2d13 | 37 | uint8_t bufferLength; |
feb11 | 0:7a1237bd2d13 | 38 | }; |
feb11 | 0:7a1237bd2d13 | 39 | |
feb11 | 0:7a1237bd2d13 | 40 | #endif |