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128 bytes key expansion

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orignal 2015-02-21 22:07:55 -05:00
parent 05e49bbeab
commit b187babd20
1 changed files with 7 additions and 7 deletions
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14
Reseed.cpp
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@ -526,13 +526,13 @@ namespace data
static uint8_t clientHello[] = static uint8_t clientHello[] =
{ {
0x16, // handshake 0x16, // handshake
0x03, 0x03, // version (TSL 1.2) 0x03, 0x03, // version (TLS 1.2)
0x00, 0x2F, // length of handshake 0x00, 0x2F, // length of handshake
// handshake // handshake
0x01, // handshake type (client hello) 0x01, // handshake type (client hello)
0x00, 0x00, 0x2B, // length of handshake payload 0x00, 0x00, 0x2B, // length of handshake payload
// client hello // client hello
0x03, 0x03, // highest version supported (TSL 1.2) 0x03, 0x03, // highest version supported (TLS 1.2)
0x45, 0xFA, 0x01, 0x19, 0x74, 0x55, 0x18, 0x36, 0x45, 0xFA, 0x01, 0x19, 0x74, 0x55, 0x18, 0x36,
0x42, 0x05, 0xC1, 0xDD, 0x4A, 0x21, 0x80, 0x80, 0x42, 0x05, 0xC1, 0xDD, 0x4A, 0x21, 0x80, 0x80,
0xEC, 0x37, 0x11, 0x93, 0x16, 0xF4, 0x66, 0x00, 0xEC, 0x37, 0x11, 0x93, 0x16, 0xF4, 0x66, 0x00,
@ -547,8 +547,8 @@ namespace data
static uint8_t changeCipherSpecs[] = static uint8_t changeCipherSpecs[] =
{ {
0x14, // change chiper specs 0x14, // change cipher specs
0x03, 0x03, // version (TSL 1.2) 0x03, 0x03, // version (TLS 1.2)
0x00, 0x01, // length 0x00, 0x01, // length
0x01 // type 0x01 // type
}; };
@ -556,7 +556,7 @@ namespace data
static uint8_t finished[] = static uint8_t finished[] =
{ {
0x16, // handshake 0x16, // handshake
0x03, 0x03, // version (TSL 1.2) 0x03, 0x03, // version (TLS 1.2)
0x00, 0x50, // length of handshake (80 bytes) 0x00, 0x50, // length of handshake (80 bytes)
// handshake (encrypted) // handshake (encrypted)
// unencrypted context // unencrypted context
@ -637,10 +637,10 @@ namespace data
memcpy (random + 32, serverRandom, 32); memcpy (random + 32, serverRandom, 32);
PRF (secret, "master secret", random, 64, 48, masterSecret); PRF (secret, "master secret", random, 64, 48, masterSecret);
// expand master secret // expand master secret
uint8_t keys[256]; // clientMACKey(32), serverMACKey(32), clientKey(32), serverKey(32) uint8_t keys[128]; // clientMACKey(32), serverMACKey(32), clientKey(32), serverKey(32)
memcpy (random, serverRandom, 32); memcpy (random, serverRandom, 32);
memcpy (random + 32, clientHello + 11, 32); memcpy (random + 32, clientHello + 11, 32);
PRF (masterSecret, "key expansion", random, 64, 256, keys); PRF (masterSecret, "key expansion", random, 64, 128, keys);
memcpy (m_MacKey, keys, 32); memcpy (m_MacKey, keys, 32);
m_Encryption.SetKey (keys + 64); m_Encryption.SetKey (keys + 64);
m_Decryption.SetKey (keys + 96); m_Decryption.SetKey (keys + 96);