diff options
Diffstat (limited to 'src/libstrongswan/plugins/gmp')
| -rw-r--r-- | src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c b/src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c index 4c5ffc6aa..4d978f97c 100644 --- a/src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c +++ b/src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c @@ -282,6 +282,8 @@ static u_int8_t group18_modulus[] = { 0x60,0xC9,0x80,0xDD,0x98,0xED,0xD3,0xDF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, }; +#define DH_EXPONENT_ENTROPY 64 /* bytes = 512 bits */ + typedef struct modulus_entry_t modulus_entry_t; /** @@ -567,7 +569,7 @@ gmp_diffie_hellman_t *gmp_diffie_hellman_create(diffie_hellman_group_t group) destroy(this); return NULL; } - rng->allocate_bytes(rng, this->p_len, &random); + rng->allocate_bytes(rng, DH_EXPONENT_ENTROPY_SIZE / BITS_PER_BYTE, &random); rng->destroy(rng); mpz_import(this->xa, random.len, 1, 1, 1, 0, random.ptr); chunk_free(&random); |