From df8814dfefd7cd053eccc30b272a6b8446e2869d Mon Sep 17 00:00:00 2001 From: Steffen Jaeckel Date: Sat, 30 Aug 2014 15:21:40 +0200 Subject: [PATCH] some minor corrections/improvements --- crypt.tex | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/crypt.tex b/crypt.tex index 6f62f5c..04547c3 100644 --- a/crypt.tex +++ b/crypt.tex @@ -3566,7 +3566,8 @@ If the RSA decoded data is not a valid PSS message, or if the PKCS decoded hash value, \textit{res} is set to $0$. Otherwise, if the function succeeds, and signature is valid \textit{res} is set to $1$. The \textit{padding} parameter must be set to \textbf{LTC\_PKCS\_1\_V1\_5} to perform a v1.5 verification. Otherwise, it must be set to -\textbf{LTC\_PKCS\_1\_PSS} to perform a v2.1 verification. When performing a v1.5 verification the \textit{hash\_idx} parameter is ignored. +\textbf{LTC\_PKCS\_1\_PSS} to perform a v2.1 verification. When performing a v1.5 verification the \textit{hash\_idx} and \textit{saltlen} parameters are ignored. + \mysection{RSA Encryption Example} \begin{small} @@ -4563,7 +4564,7 @@ The SEQUENCE data type is a collection of other ASN.1 data types encapsulated wi To encode a sequence a \textbf{ltc\_asn1\_list} array must be initialized with the members of the sequence and their respective pointers. The encoding is performed with the following function. -\index{der\_encode\_sequence()} +\index{der\_encode\_sequence()}\index{LTC\_ASN1\_EOL} \begin{verbatim} int der_encode_sequence(ltc_asn1_list *list, unsigned long inlen, @@ -4617,7 +4618,7 @@ int der_length_sequence(ltc_asn1_list *list, This will get the encoding size for the given \textit{list} of length \textit{inlen} and store it in \textit{outlen}. -\subsubsection{SEQUENCE Multiple Argument Lists} +\subsubsection{SEQUENCE Multiple Argument Lists}\index{LTC\_ASN1\_EOL} For small or simple sequences an encoding or decoding can be performed with one of the following two functions. @@ -4966,7 +4967,7 @@ will have the \textit{used} flag set to non--zero to reflect it was the data typ \subsection{ASN.1 Flexi Decoder} The ASN.1 \textit{flexi} decoder allows the developer to decode arbitrary ASN.1 DER packets (provided they use data types LibTomCrypt supports) without first knowing -the structure of the data. Where der\_decode \_sequence() requires the developer to specify the data types to decode in advance the flexi decoder is entirely +the structure of the data. Where der\_decode\_sequence() requires the developer to specify the data types to decode in advance the flexi decoder is entirely free form. The flexi decoder uses the same \textit{ltc\_asn1\_list} but instead of being stored in an array it uses the linked list pointers \textit{prev}, \textit{next}, \textit{parent}