diff options
author | Simon Cogliani <[email protected]> | 2016-07-30 14:43:55 +0200 |
---|---|---|
committer | Simon Cogliani <[email protected]> | 2016-07-30 14:43:55 +0200 |
commit | 8c305d9969ed0690d5603b75fd151cb7a33138f0 (patch) | |
tree | cb040976f029793af05f4bde8ca40eaa89252fc0 /src/lib | |
parent | c006e97219dc93dd2d8dcaca5c325296e1ce3d55 (diff) | |
parent | 17677f9981005b68201653b45de42c5958f32b70 (diff) |
Merge branch 'master' into frp256v1
Diffstat (limited to 'src/lib')
-rw-r--r-- | src/lib/pk_pad/eme_oaep/oaep.cpp | 4 | ||||
-rw-r--r-- | src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp | 20 | ||||
-rw-r--r-- | src/lib/pk_pad/hash_id/hash_id.cpp | 8 | ||||
-rw-r--r-- | src/lib/pubkey/dh/dh.cpp | 9 | ||||
-rw-r--r-- | src/lib/utils/simd/simd_32.h | 2 |
5 files changed, 30 insertions, 13 deletions
diff --git a/src/lib/pk_pad/eme_oaep/oaep.cpp b/src/lib/pk_pad/eme_oaep/oaep.cpp index 0ae0d8554..1ae1068a7 100644 --- a/src/lib/pk_pad/eme_oaep/oaep.cpp +++ b/src/lib/pk_pad/eme_oaep/oaep.cpp @@ -35,8 +35,10 @@ secure_vector<byte> OAEP::pad(const byte in[], size_t in_length, { key_length /= 8; - if(key_length < in_length + 2*m_Phash.size() + 1) + if(in_length > maximum_input_size(key_length * 8)) + { throw Invalid_Argument("OAEP: Input is too large"); + } secure_vector<byte> out(key_length); diff --git a/src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp b/src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp index 8148b7bc9..9bab8eb95 100644 --- a/src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp +++ b/src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp @@ -14,22 +14,22 @@ namespace Botan { * PKCS1 Pad Operation */ secure_vector<byte> EME_PKCS1v15::pad(const byte in[], size_t inlen, - size_t olen, + size_t key_length, RandomNumberGenerator& rng) const { - olen /= 8; + key_length /= 8; - if(olen < 10) - throw Encoding_Error("PKCS1: Output space too small"); - if(inlen > olen - 10) - throw Encoding_Error("PKCS1: Input is too large"); + if(inlen > maximum_input_size(key_length * 8)) + { + throw Invalid_Argument("PKCS1: Input is too large"); + } - secure_vector<byte> out(olen); + secure_vector<byte> out(key_length); out[0] = 0x02; - rng.randomize(out.data() + 1, (olen - inlen - 2)); + rng.randomize(out.data() + 1, (key_length - inlen - 2)); - for(size_t j = 1; j != olen - inlen - 1; ++j) + for(size_t j = 1; j != key_length - inlen - 1; ++j) { if(out[j] == 0) { @@ -37,7 +37,7 @@ secure_vector<byte> EME_PKCS1v15::pad(const byte in[], size_t inlen, } } - buffer_insert(out, olen - inlen, in, inlen); + buffer_insert(out, key_length - inlen, in, inlen); return out; } diff --git a/src/lib/pk_pad/hash_id/hash_id.cpp b/src/lib/pk_pad/hash_id/hash_id.cpp index 28bbea346..882c30a4c 100644 --- a/src/lib/pk_pad/hash_id/hash_id.cpp +++ b/src/lib/pk_pad/hash_id/hash_id.cpp @@ -48,6 +48,10 @@ const byte SHA_512_PKCS_ID[] = { 0x30, 0x51, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40 }; +const byte SHA_512_256_PKCS_ID[] = { +0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, +0x65, 0x03, 0x04, 0x02, 0x06, 0x05, 0x00, 0x04, 0x20 }; + const byte TIGER_PKCS_ID[] = { 0x30, 0x29, 0x30, 0x0D, 0x06, 0x09, 0x2B, 0x06, 0x01, 0x04, 0x01, 0xDA, 0x47, 0x0C, 0x02, 0x05, 0x00, 0x04, 0x18 }; @@ -99,6 +103,10 @@ std::vector<byte> pkcs_hash_id(const std::string& name) return std::vector<byte>(SHA_512_PKCS_ID, SHA_512_PKCS_ID + sizeof(SHA_512_PKCS_ID)); + if(name == "SHA-512-256") + return std::vector<byte>(SHA_512_256_PKCS_ID, + SHA_512_256_PKCS_ID + sizeof(SHA_512_256_PKCS_ID)); + if(name == "Tiger(24,3)") return std::vector<byte>(TIGER_PKCS_ID, TIGER_PKCS_ID + sizeof(TIGER_PKCS_ID)); diff --git a/src/lib/pubkey/dh/dh.cpp b/src/lib/pubkey/dh/dh.cpp index 9eb4e5cd0..8ed79aa3d 100644 --- a/src/lib/pubkey/dh/dh.cpp +++ b/src/lib/pubkey/dh/dh.cpp @@ -37,6 +37,7 @@ DH_PrivateKey::DH_PrivateKey(RandomNumberGenerator& rng, const DL_Group& grp, const BigInt& x_arg) { + const bool generate = (x_arg == 0) ? true : false; m_group = grp; m_x = x_arg; @@ -47,12 +48,18 @@ DH_PrivateKey::DH_PrivateKey(RandomNumberGenerator& rng, } if(m_y == 0) + { m_y = power_mod(group_g(), m_x, group_p()); + } - if(m_x == 0) + if(generate) + { gen_check(rng); + } else + { load_check(rng); + } } /* diff --git a/src/lib/utils/simd/simd_32.h b/src/lib/utils/simd/simd_32.h index 351146f22..0b4ca8f03 100644 --- a/src/lib/utils/simd/simd_32.h +++ b/src/lib/utils/simd/simd_32.h @@ -12,7 +12,7 @@ #include <botan/loadstor.h> #include <botan/bswap.h> -#if defined(BOTAN_TARGET_SUPPORTS_SSE2) && 0 +#if defined(BOTAN_TARGET_SUPPORTS_SSE2) #include <emmintrin.h> #define BOTAN_SIMD_USE_SSE2 |