KEM C-API
Este cometimento está contido em:
ascendente
4a70142872
cometimento
74f8c77e97
@ -1,5 +1,8 @@
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# Common function for defining algorithm component
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function(define_crypto_alg name namespace src inc test_src)
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function(define_crypto_alg name namespace src inc)
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get_property(OBJ_LIBS GLOBAL PROPERTY obj_libs)
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set_property(GLOBAL PROPERTY obj_libs ${OBJ_LIBS} pqclean_${name})
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add_library(
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pqclean_${name}
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OBJECT
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@ -17,38 +20,11 @@ function(define_crypto_alg name namespace src inc test_src)
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-DPQCLEAN_NAMESPACE=${namespace}
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)
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add_library(
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pqclean_test_${name}
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OBJECT
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${test_src}
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)
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target_compile_definitions(
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pqclean_test_${name} PRIVATE
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-DPQCLEAN_NAMESPACE=${namespace}
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)
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target_include_directories(
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pqclean_test_${name} PRIVATE
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src/common
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${inc}
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)
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add_executable(
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test_runner_${name}
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)
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target_link_libraries(
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test_runner_${name}
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common
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pqclean_${name}
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pqclean_test_${name}
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)
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endfunction()
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function(define_kem_alg name namespace src inc)
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define_crypto_alg(${name} ${namespace} "${src}" "${inc}" ${PROJECT_SOURCE_DIR}/test/kem/testvectors.c)
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define_crypto_alg(${name} ${namespace} "${src}" "${inc}")
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endfunction()
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function(define_sig_alg name namespace src inc)
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define_crypto_alg(${name} ${namespace} "${src}" "${inc}" ${PROJECT_SOURCE_DIR}/test/sign/testvectors.c)
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define_crypto_alg(${name} ${namespace} "${src}" "${inc}")
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endfunction()
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@ -9,6 +9,7 @@ set(CMAKE_VERBOSE_MAKEFILE ON)
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "~/.cmake/Modules")
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "3rd/cmake-modules")
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER)
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@ -81,6 +82,9 @@ include_directories(
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src
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)
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set_property(GLOBAL PROPERTY obj_libs "")
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# Set CPU architecture
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set(CMAKE_C_FLAGS "${C_CXX_FLAGS} -D${ARCH}")
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set(CMAKE_CXX_FLAGS "${C_CXX_FLAGS} -D${ARCH}")
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@ -118,6 +122,7 @@ add_subdirectory(src/sign/sphincs/sphincs-sha256-256s-robust/clean)
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add_subdirectory(src/sign/sphincs/sphincs-sha256-128s-robust/clean)
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add_subdirectory(src/sign/sphincs/sphincs-sha256-128f-simple/clean)
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add_subdirectory(src/sign/sphincs/sphincs-sha256-192f-robust/clean)
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add_subdirectory(src/kem/kyber/kyber512/clean)
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add_subdirectory(src/kem/kyber/kyber768/clean)
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add_subdirectory(src/kem/kyber/kyber1024/clean)
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@ -217,21 +222,18 @@ add_library(
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pqclean_s
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STATIC
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)
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get_property(OBJ_LIBS GLOBAL PROPERTY obj_libs)
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target_link_libraries(
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pqclean
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common
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pqclean_dilithium2_clean
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pqclean_dilithium3_clean
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pqclean_dilithium5_clean
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${OBJ_LIBS}
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)
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target_link_libraries(
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pqclean_s
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common
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pqclean_dilithium2_clean
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pqclean_dilithium3_clean
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pqclean_dilithium5_clean
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${OBJ_LIBS}
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)
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add_executable(
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@ -243,8 +245,8 @@ add_executable(
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target_link_libraries(
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mytest
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gtest
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pqclean_s
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gtest_main)
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gtest_main
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pqclean_s)
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target_include_directories(
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mytest PRIVATE
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@ -1,11 +1,16 @@
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#include <stdint.h>
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#include <stdbool.h>
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#include "pqapi.h"
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#include "kem/kyber/kyber512/clean/api.h"
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#include "kem/kyber/kyber512/avx2/api.h"
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#include "kem/kyber/kyber768/clean/api.h"
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#include "kem/kyber/kyber768/avx2/api.h"
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#include "kem/kyber/kyber1024/clean/api.h"
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#include "kem/kyber/kyber1024/avx2/api.h"
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// helpers
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#define OPT_VERSION _CLEAN_
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// Helper to stringify constants
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#define STR(x) STR_(x)
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#define STR_(x) #x
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@ -29,23 +34,49 @@
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#define PQC_SIGN_BSZ(x) GLUE(A(x), CRYPTO_BYTES)
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#define PQC_CT_BSZ(x) GLUE(A(x), CRYPTO_CIPHERTEXTBYTES)
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#define PQC_NAME(x) GLUE(A(x), CRYPTO_ALGNAME)
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#define PQC_FN_KEYGEN(x) GLUE(A(x), crypto_kem_keypair)
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#define PQC_FN_ENCAPS(x) GLUE(A(x), crypto_kem_enc)
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#define PQC_FN_DECAPS(x) GLUE(A(x), crypto_kem_dec)
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#define REG_ALG(ID) \
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{ \
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.alg_id = ID, \
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.alg_name = STR(ID), \
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.prv_key_bsz = PQC_PRV_KEY_BSZ(ID), \
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.pub_key_bsz = PQC_PUB_KEY_BSZ(ID), \
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.keygen = PQC_FN_KEYGEN(ID), \
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}
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// Macro magic needed to initialize parameters for a scheme
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#define REG_KEM(ID) \
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{ \
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.p.alg_id = ID, \
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.p.alg_name = STR(ID), \
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.p.prv_key_bsz = PQC_PRV_KEY_BSZ(ID), \
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.p.pub_key_bsz = PQC_PUB_KEY_BSZ(ID), \
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.ciphertext_bsz = PQC_CT_BSZ(ID), \
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.secret_bsz = PQC_KEM_BSZ(ID) \
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#define REG_KEM(ID) \
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{ \
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.p = REG_ALG(ID), \
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.ciphertext_bsz = PQC_CT_BSZ(ID),\
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.secret_bsz = PQC_KEM_BSZ(ID), \
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.encapsulate = PQC_FN_ENCAPS(ID),\
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.decapsulate = PQC_FN_DECAPS(ID),\
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}
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enum {
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KYBER512
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KYBER512,
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KYBER768,
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KYBER1024
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};
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const kem_params_t kems[] = {
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REG_KEM(KYBER512)
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REG_KEM(KYBER512),
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REG_KEM(KYBER768),
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REG_KEM(KYBER1024),
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};
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bool pqc_keygen(const params_t *p, uint8_t *sk, uint8_t *pk) {
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return !p->keygen(sk, pk);
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}
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bool pqc_kem_encapsulate(const params_t *p, uint8_t *ct, uint8_t *ss, const uint8_t *pk) {
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return !((kem_params_t*)p)->encapsulate(ct, ss, pk);
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}
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bool pqc_kem_decapsulate(const params_t *p, uint8_t *ss, const uint8_t *ct, const uint8_t *sk) {
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return !((kem_params_t*)p)->decapsulate(ss, ct, sk);
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}
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60
src/capi/pqapi.h
Ficheiro normal
60
src/capi/pqapi.h
Ficheiro normal
@ -0,0 +1,60 @@
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#ifndef PQAPI_H_
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#define PQAPI_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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// Parameters of the scheme
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typedef struct params_t {
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const uint8_t alg_id;
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const char* alg_name;
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const uint32_t prv_key_bsz;
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const uint32_t pub_key_bsz;
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const bool is_kem;
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int (*keygen)(uint8_t *sk, uint8_t *pk);
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} params_t;
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typedef struct kem_params_t {
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params_t p;
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const uint32_t ciphertext_bsz;
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const uint32_t secret_bsz;
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int (*encapsulate)(uint8_t *ct, uint8_t *ss, const uint8_t *pk);
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int (*decapsulate)(uint8_t *ss, const uint8_t *ct, const uint8_t *sk);
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} kem_params_t;
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typedef struct sig_params_t {
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params_t p;
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const uint32_t sign_bsz;
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} sig_params_t;
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bool pqc_keygen(const params_t *p, uint8_t *sk, uint8_t *pk);
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bool pqc_kem_encapsulate(const params_t *p, uint8_t *ct, uint8_t *ss, const uint8_t *pk);
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bool pqc_kem_decapsulate(const params_t *p, uint8_t *ss, const uint8_t *ct, const uint8_t *sk);
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inline uint32_t ciphertext_bsz(const params_t *p) {
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return ((kem_params_t *)p)->ciphertext_bsz;
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}
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inline uint32_t shared_secret_bsz(const params_t *p) {
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return ((kem_params_t *)p)->secret_bsz;
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}
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inline uint32_t public_key_bsz(const params_t *p) {
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return p->pub_key_bsz;
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}
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inline uint32_t private_key_bsz(const params_t *p) {
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return p->prv_key_bsz;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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@ -1,9 +1,29 @@
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#include <vector>
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#include <algorithm>
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#include <gtest/gtest.h>
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#include "capi/pqapi.h"
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extern const kem_params_t kems[];
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// TODO: change - just to see if function registration works OK.
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TEST(Kyber,XXX) {
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ASSERT_EQ(kems[0].p.prv_key_bsz, 1632);
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}
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TEST(Kyber,KEMOneOff) {
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for (int i=0; i<3; i++) {
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const params_t *p = (params_t*)&kems[i];
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std::vector<uint8_t> ct(ciphertext_bsz(p));
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std::vector<uint8_t> ss1(shared_secret_bsz(p));
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std::vector<uint8_t> ss2(shared_secret_bsz(p));
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std::vector<uint8_t> sk(private_key_bsz(p));
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std::vector<uint8_t> pk(public_key_bsz(p));
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ASSERT_TRUE(
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pqc_keygen(p, pk.data(), sk.data()));
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ASSERT_TRUE(
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pqc_kem_encapsulate(p, ct.data(), ss1.data(), pk.data()));
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ASSERT_TRUE(
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pqc_kem_decapsulate(p, ss2.data(), ct.data(), sk.data()));
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ASSERT_TRUE(
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std::equal(ss1.begin(), ss1.end(), ss2.begin()));
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}
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}
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