diff options
Diffstat (limited to 'src/libstrongswan/plugins/openssl/openssl_sha1_prf.c')
| -rw-r--r-- | src/libstrongswan/plugins/openssl/openssl_sha1_prf.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/libstrongswan/plugins/openssl/openssl_sha1_prf.c b/src/libstrongswan/plugins/openssl/openssl_sha1_prf.c index 20f2fa984..8501e2cd4 100644 --- a/src/libstrongswan/plugins/openssl/openssl_sha1_prf.c +++ b/src/libstrongswan/plugins/openssl/openssl_sha1_prf.c @@ -35,7 +35,7 @@ struct private_openssl_sha1_prf_t { SHA_CTX ctx; }; -METHOD(prf_t, get_bytes, void, +METHOD(prf_t, get_bytes, bool, private_openssl_sha1_prf_t *this, chunk_t seed, u_int8_t *bytes) { SHA1_Update(&this->ctx, seed.ptr, seed.len); @@ -50,6 +50,8 @@ METHOD(prf_t, get_bytes, void, hash[3] = htonl(this->ctx.h3); hash[4] = htonl(this->ctx.h4); } + + return TRUE; } METHOD(prf_t, get_block_size, size_t, @@ -58,18 +60,15 @@ METHOD(prf_t, get_block_size, size_t, return HASH_SIZE_SHA1; } -METHOD(prf_t, allocate_bytes, void, +METHOD(prf_t, allocate_bytes, bool, private_openssl_sha1_prf_t *this, chunk_t seed, chunk_t *chunk) { if (chunk) { *chunk = chunk_alloc(HASH_SIZE_SHA1); - get_bytes(this, seed, chunk->ptr); - } - else - { - get_bytes(this, seed, NULL); + return get_bytes(this, seed, chunk->ptr); } + return get_bytes(this, seed, NULL); } METHOD(prf_t, get_key_size, size_t, @@ -78,11 +77,15 @@ METHOD(prf_t, get_key_size, size_t, return HASH_SIZE_SHA1; } -METHOD(prf_t, set_key, void, +METHOD(prf_t, set_key, bool, private_openssl_sha1_prf_t *this, chunk_t key) { SHA1_Init(&this->ctx); + if (key.len % 4) + { + return FALSE; + } if (key.len >= 4) { this->ctx.h0 ^= untoh32(key.ptr); @@ -103,6 +106,7 @@ METHOD(prf_t, set_key, void, { this->ctx.h4 ^= untoh32(key.ptr + 16); } + return TRUE; } METHOD(prf_t, destroy, void, |