X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=doc%2Fdraft-riikonen-silc-spec-06.nroff;h=19cb9365c8adc19d6578c5fdb0f7cb17e0f03749;hb=6cb165656920f3a7de6066537df2efb5e7d60653;hp=81807e13afb4ba0b0c7ea6e4e857fea6d0202f2e;hpb=2da8de55314f2734f5f4bdd104a471d7642cc2d3;p=crypto.git diff --git a/doc/draft-riikonen-silc-spec-06.nroff b/doc/draft-riikonen-silc-spec-06.nroff index 81807e13..19cb9365 100644 --- a/doc/draft-riikonen-silc-spec-06.nroff +++ b/doc/draft-riikonen-silc-spec-06.nroff @@ -1263,18 +1263,18 @@ case of CTR mode it refers to the counter block. The format of the Figure 6: Counter Block .in 6 -o Truncated HASH from SKE (4 bytes) - This value is the 32 most - significant bits from the HASH value that was computed as a - result of SKE protocol. This acts as session identifier and - each rekey MUST produce a new HASH value. - -o Sending/Receiving IV from SKE (8 bytes) - This value is the 64 - most significant bits from the Sending IV or Receiving IV - generated in the SKE protocol. When this mode is used to - encrypt sending traffic the Sending IV is used, when used to - decrypt receiving traffic the Receiving IV is used. This - assures that two parties of the protocol use different IV - for sending traffic. Each rekey MUST produce a new value. +o Truncated HASH from SKE (4 bytes) - This value is the first 4 + bytes from the HASH value that was computed as a result of SKE + protocol. This acts as session identifier and each rekey MUST + produce a new HASH value. + +o Sending/Receiving IV from SKE (8 bytes) - This value is the + first 8 bytes from the Sending IV or Receiving IV generated in + the SKE protocol. When this mode is used to encrypt sending + traffic the Sending IV is used, when used to decrypt receiving + traffic the Receiving IV is used. This assures that two parties + of the protocol use different IV for sending traffic. Each rekey + MUST produce a new value. o Block Counter (4 bytes) - This is the counter value for the counter block and is MSB ordered number starting from one (1)