4 #define LDNS_SHA1_BLOCK_LENGTH 64
5 #define LDNS_SHA1_DIGEST_LENGTH 20
10 unsigned char buffer[LDNS_SHA1_BLOCK_LENGTH];
13 void ldns_sha1_init(ldns_sha1_ctx * context);
14 void ldns_sha1_transform(uint32_t state[5], const unsigned char buffer[LDNS_SHA1_BLOCK_LENGTH]);
15 void ldns_sha1_update(ldns_sha1_ctx *context, const unsigned char *data, unsigned int len);
16 void ldns_sha1_final(unsigned char digest[LDNS_SHA1_DIGEST_LENGTH], ldns_sha1_ctx *context);
19 * Convenience function to digest a fixed block of data at once.
21 * \param[in] data the data to digest
22 * \param[in] data_len the length of data in bytes
23 * \param[out] digest the length of data in bytes
24 * This pointer MUST have LDNS_SHA1_DIGEST_LENGTH bytes
26 * \return the SHA1 digest of the given data
28 unsigned char *ldns_sha1(unsigned char *data, unsigned int data_len, unsigned char *digest);
29 #endif /* LDNS_SHA1_H */