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Please see the full documentation at http://spaniakos.github.io/Cryptosuite

Cryptosuite is a cryptographic library for Arduino (including SHA and HMAC-SHA)

It currently supports secure hashing and hashed message authentication using SHA-1, SHA-256, HMAC-SHA-1 and HMAC-SHA-256.

Installation: Make a 'libraries' directory with your Arduino sketches folder if you do not already have one. Copy the 'Sha' directory into that directory. Restart Arduino to rescan for new libraries.

Using SHA-1: #include "sha1.h" ... uint8_t *hash; Sha1.init(); Sha1.print("This is a message to hash"); hash = Sha1.result();

The hash result is then stored in hash[0], hash[1] .. hash[19].

Using HMAC-SHA-1: #include "sha1.h" ... uint8_t *hash; Sha1.initHmac("hash key",8); // key, and length of key in bytes Sha1.print("This is a message to hash"); hash = Sha1.resultHmac();

The hash result is then stored in hash[0], hash[1] .. hash[19].

Using SHA-256: #include "sha256.h" ... uint8_t *hash; Sha256.init(); Sha256.print("This is a message to hash"); hash = Sha256.result();

The hash result is then stored in hash[0], hash[1] .. hash[31].

Using HMAC-SHA-256: #include "sha256.h" ... uint8_t *hash; Sha256.initHmac("hash key",8); // key, and length of key in bytes Sha256.print("This is a message to hash"); hash = Sha256.resultHmac();

The hash result is then stored in hash[0], hash[1] .. hash[31].

Verification: The provided example code tests against published test vectors. SHA-1: FIPS 180-2, RFC3174 compliant HMAC-SHA-1: FIPS 198a compliant SHA-256: FIPS 180-2, RFC4231 compliant HMAC-SHA-256: RFC4231 compliant

UPDATE* Added Intel Galileo Support Added printf.h so galileo can redirect to serial all the printf requests.

UPDATE* Raspberry pi support added

Raspberry pi

install

sudo make install
cd examples_Rpi
make

What to do after changes to the library

sudo make clean
sudo make install
cd examples_Rpi
make clean
make

What to do after changes to a sketch

cd examples_Rpi
make <sketch>

or 
make clean
make

How to start a sketch

cd examples_Rpi
sudo ./<sketch>

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Cryptographic suite for Arduino & RPi (SHA, HMAC-SHA)

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  • C++ 61.7%
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