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49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
/*
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* libopenemv - a library to work with EMV family of smart cards
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* Copyright (C) 2015 Dmitry Eremin-Solenikov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*/
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#ifndef CRYPTO_H
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#define CRYPTO_H
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#include <stdbool.h>
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#include <stddef.h>
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enum crypto_algo_hash {
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HASH_INVALID,
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HASH_SHA_1,
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};
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struct crypto_hash *crypto_hash_open(enum crypto_algo_hash hash);
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void crypto_hash_close(struct crypto_hash *ch);
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void crypto_hash_write(struct crypto_hash *ch, const unsigned char *buf, size_t len);
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unsigned char *crypto_hash_read(struct crypto_hash *ch);
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size_t crypto_hash_get_size(const struct crypto_hash *ch);
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enum crypto_algo_pk {
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PK_INVALID,
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PK_RSA,
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};
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struct crypto_pk *crypto_pk_open(enum crypto_algo_pk pk, ...);
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struct crypto_pk *crypto_pk_open_priv(enum crypto_algo_pk pk, ...);
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struct crypto_pk *crypto_pk_genkey(enum crypto_algo_pk pk, ...);
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void crypto_pk_close(struct crypto_pk *cp);
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unsigned char *crypto_pk_encrypt(const struct crypto_pk *cp, const unsigned char *buf, size_t len, size_t *clen);
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unsigned char *crypto_pk_decrypt(const struct crypto_pk *cp, const unsigned char *buf, size_t len, size_t *clen);
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enum crypto_algo_pk crypto_pk_get_algo(const struct crypto_pk *cp);
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size_t crypto_pk_get_nbits(const struct crypto_pk *cp);
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unsigned char *crypto_pk_get_parameter(const struct crypto_pk *cp, unsigned param, size_t *plen);
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#endif
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