sha224.h - sbase - suckless unix tools
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       sha224.h (495B)
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            1 /* public domain sha224 implementation based on fips180-3 */
            2 
            3 #include "sha256.h"
            4 
            5 #define sha224  sha256  /*struct*/
            6 
            7 enum { SHA224_DIGEST_LENGTH = 28 };
            8 
            9 /* reset state */
           10 void sha224_init(void *ctx);
           11 /* process message */
           12 #define sha224_update  sha256_update
           13 /* get message digest */
           14 /* state is ruined after sum, keep a copy if multiple sum is needed */
           15 /* part of the message might be left in s, zero it if secrecy is needed */
           16 void sha224_sum(void *ctx, uint8_t md[SHA224_DIGEST_LENGTH]);