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Code Issues 1 Releases Wiki Activity

fix memory overrun

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This commit is contained in:
Henry Case 2021-04-26 10:05:53 +01:00
parent a35747b21b
commit 829d15bde3
1 changed files with 2 additions and 3 deletions
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5
src/kem/sike/includes/sike/sike.h
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@ -49,13 +49,13 @@
const uint8_t priv_key[SIKE_PRV_BYTESZ]); const uint8_t priv_key[SIKE_PRV_BYTESZ]);
// boilerplate needed for integration // boilerplate needed for integration
#define PQCLEAN_SIKE434_CLEAN_CRYPTO_SECRETKEYBYTES SIKE_PRV_BYTESZ+SIKE_MSG_BYTESZ #define PQCLEAN_SIKE434_CLEAN_CRYPTO_SECRETKEYBYTES SIKE_PRV_BYTESZ+SIKE_MSG_BYTESZ+SIKE_PUB_BYTESZ
#define PQCLEAN_SIKE434_CLEAN_CRYPTO_PUBLICKEYBYTES SIKE_PUB_BYTESZ #define PQCLEAN_SIKE434_CLEAN_CRYPTO_PUBLICKEYBYTES SIKE_PUB_BYTESZ
#define PQCLEAN_SIKE434_CLEAN_CRYPTO_CIPHERTEXTBYTES SIKE_CT_BYTESZ #define PQCLEAN_SIKE434_CLEAN_CRYPTO_CIPHERTEXTBYTES SIKE_CT_BYTESZ
#define PQCLEAN_SIKE434_CLEAN_CRYPTO_BYTES SIKE_SS_BYTESZ #define PQCLEAN_SIKE434_CLEAN_CRYPTO_BYTES SIKE_SS_BYTESZ
#define PQCLEAN_SIKE434_CLEAN_CRYPTO_ALGNAME "SIKE/p434" #define PQCLEAN_SIKE434_CLEAN_CRYPTO_ALGNAME "SIKE/p434"
#define PQCLEAN_SIKE434_AVX2_CRYPTO_SECRETKEYBYTES SIKE_PRV_BYTESZ+SIKE_MSG_BYTESZ #define PQCLEAN_SIKE434_AVX2_CRYPTO_SECRETKEYBYTES SIKE_PRV_BYTESZ+SIKE_MSG_BYTESZ+SIKE_PUB_BYTESZ
#define PQCLEAN_SIKE434_AVX2_CRYPTO_PUBLICKEYBYTES SIKE_PUB_BYTESZ #define PQCLEAN_SIKE434_AVX2_CRYPTO_PUBLICKEYBYTES SIKE_PUB_BYTESZ
#define PQCLEAN_SIKE434_AVX2_CRYPTO_CIPHERTEXTBYTES SIKE_CT_BYTESZ #define PQCLEAN_SIKE434_AVX2_CRYPTO_CIPHERTEXTBYTES SIKE_CT_BYTESZ
#define PQCLEAN_SIKE434_AVX2_CRYPTO_BYTES SIKE_SS_BYTESZ #define PQCLEAN_SIKE434_AVX2_CRYPTO_BYTES SIKE_SS_BYTESZ
@ -64,7 +64,6 @@
static inline int PQCLEAN_SIKE434_CLEAN_crypto_kem_keypair(uint8_t *pk, uint8_t *sk) { static inline int PQCLEAN_SIKE434_CLEAN_crypto_kem_keypair(uint8_t *pk, uint8_t *sk) {
SIKE_keypair(sk, pk); SIKE_keypair(sk, pk);
// KATs require the public key to be concatenated after private key // KATs require the public key to be concatenated after private key
// OZAPTF: maybe change KAT tester
memcpy(&sk[SIKE_MSG_BYTESZ+SIKE_PRV_BYTESZ], pk, SIKE_PUB_BYTESZ); memcpy(&sk[SIKE_MSG_BYTESZ+SIKE_PRV_BYTESZ], pk, SIKE_PUB_BYTESZ);
return 0; return 0;
} }