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authorRiccardo Spagni <ric@spagni.net>2014-10-05 23:44:31 +0200
committerRiccardo Spagni <ric@spagni.net>2014-10-05 23:44:31 +0200
commit9ef094b356b4da7542c3cab898dac7e135b76903 (patch)
tree99b5876712b0b1551fc042fe75447b998e4b0fc1 /external/unbound/ldns/keyraw.h
parentsplit mnemonic printout over 3 lines (diff)
downloadmonero-9ef094b356b4da7542c3cab898dac7e135b76903.tar.xz
added unbound to external deps
Diffstat (limited to 'external/unbound/ldns/keyraw.h')
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1 files changed, 112 insertions, 0 deletions
diff --git a/external/unbound/ldns/keyraw.h b/external/unbound/ldns/keyraw.h
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+/*
+ * keyraw.h -- raw key and signature access and conversion
+ *
+ * Copyright (c) 2005-2008, NLnet Labs. All rights reserved.
+ *
+ * See LICENSE for the license.
+ *
+ */
+
+/**
+ * \file
+ *
+ * raw key and signature access and conversion
+ *
+ * Since those functions heavily rely op cryptographic operations,
+ * this module is dependent on openssl.
+ *
+ */
+
+#ifndef LDNS_KEYRAW_H
+#define LDNS_KEYRAW_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#if LDNS_BUILD_CONFIG_HAVE_SSL
+# include <openssl/ssl.h>
+# include <openssl/evp.h>
+#endif /* LDNS_BUILD_CONFIG_HAVE_SSL */
+
+/**
+ * get the length of the keydata in bits
+ * \param[in] keydata the raw key data
+ * \param[in] len the length of the keydata
+ * \param[in] alg the cryptographic algorithm this is a key for
+ * \return the keysize in bits, or 0 on error
+ */
+size_t sldns_rr_dnskey_key_size_raw(const unsigned char *keydata,
+ const size_t len, int alg);
+
+/**
+ * Calculates keytag of DNSSEC key, operates on wireformat rdata.
+ * \param[in] key the key as uncompressed wireformat rdata.
+ * \param[in] keysize length of key data.
+ * \return the keytag
+ */
+uint16_t sldns_calc_keytag_raw(uint8_t* key, size_t keysize);
+
+#if LDNS_BUILD_CONFIG_HAVE_SSL
+/**
+ * Get the PKEY id for GOST, loads GOST into openssl as a side effect.
+ * Only available if GOST is compiled into the library and openssl.
+ * \return the gost id for EVP_CTX creation.
+ */
+int sldns_key_EVP_load_gost_id(void);
+
+/** Release the engine reference held for the GOST engine. */
+void sldns_key_EVP_unload_gost(void);
+
+/**
+ * Like sldns_key_buf2dsa, but uses raw buffer.
+ * \param[in] key the uncompressed wireformat of the key.
+ * \param[in] len length of key data
+ * \return a DSA * structure with the key material
+ */
+DSA *sldns_key_buf2dsa_raw(unsigned char* key, size_t len);
+
+/**
+ * Converts a holding buffer with key material to EVP PKEY in openssl.
+ * Only available if ldns was compiled with GOST.
+ * \param[in] key data to convert
+ * \param[in] keylen length of the key data
+ * \return the key or NULL on error.
+ */
+EVP_PKEY* sldns_gost2pkey_raw(unsigned char* key, size_t keylen);
+
+/**
+ * Converts a holding buffer with key material to EVP PKEY in openssl.
+ * Only available if ldns was compiled with ECDSA.
+ * \param[in] key data to convert
+ * \param[in] keylen length of the key data
+ * \param[in] algo precise algorithm to initialize ECC group values.
+ * \return the key or NULL on error.
+ */
+EVP_PKEY* sldns_ecdsa2pkey_raw(unsigned char* key, size_t keylen, uint8_t algo);
+
+/**
+ * Like sldns_key_buf2rsa, but uses raw buffer.
+ * \param[in] key the uncompressed wireformat of the key.
+ * \param[in] len length of key data
+ * \return a RSA * structure with the key material
+ */
+RSA *sldns_key_buf2rsa_raw(unsigned char* key, size_t len);
+
+/**
+ * Utility function to calculate hash using generic EVP_MD pointer.
+ * \param[in] data the data to hash.
+ * \param[in] len length of data.
+ * \param[out] dest the destination of the hash, must be large enough.
+ * \param[in] md the message digest to use.
+ * \return true if worked, false on failure.
+ */
+int sldns_digest_evp(unsigned char* data, unsigned int len,
+ unsigned char* dest, const EVP_MD* md);
+
+#endif /* LDNS_BUILD_CONFIG_HAVE_SSL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LDNS_KEYRAW_H */