51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
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/**
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* @file tls_bfibe.h
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* @author Mike Scott
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* @brief Boneh and Franklin IBE
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*
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*/
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//
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// Pairing-based B&F IBE 128-bit API Functions
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// Uses MIRACL
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//
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#ifndef BFIBE_BLS381_H
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#define BFIBE_BLS381_H
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#include "pair_BLS12381.h"
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using namespace core;
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/* Field size is assumed to be greater than or equal to group size */
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#if CHUNK == 32
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#define PGS_BLS12381 MODBYTES_B384_29 /**< BF Group Size */
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#define PFS_BLS12381 MODBYTES_B384_29 /**< BF Field Size */
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#else
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#define PGS_BLS12381 MODBYTES_B384_58 /**< BF Group Size */
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#define PFS_BLS12381 MODBYTES_B384_58 /**< BF Field Size */
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#endif
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/* IBE primitives */
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/** @brief Create key SSK encapsulated in ciphertext CT to be sent to ID
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*
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@param ID the entity to receive encapsulated key
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@param R32 32 random bytes
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@param SSK is the encapsulated key
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@param CT is the ciphertext
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@return true if OK
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*/
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bool BFIBE_CCA_ENCRYPT(char *ID,octet *R32,octet *SSK,octet *CT);
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/** @brief Create key SSK encapsulated in ciphertext CT to be sent to ID
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*
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@param SK the secret key of ID
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@param CT is the ciphertext
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@param SSK is the decapsulated key
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@return true if OK
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*/
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bool BFIBE_CCA_DECRYPT(octet *SK,octet *CT,octet *SSK);
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#endif
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