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| author | Sverker Eriksson <[email protected]> | 2012-04-20 17:19:51 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2012-04-20 17:42:22 +0200 |
| commit | 5ab9a20e2929fe5810c63252b932bd534abb593c (patch) | |
| tree | 70f4804e6aee9738da463a32ccd0b9f61fbf5638 /lib/crypto/doc | |
| parent | e7a9ae8d070b8751a9dba511ade2753066c40883 (diff) | |
| download | otp-5ab9a20e2929fe5810c63252b932bd534abb593c.tar.gz otp-5ab9a20e2929fe5810c63252b932bd534abb593c.tar.bz2 otp-5ab9a20e2929fe5810c63252b932bd534abb593c.zip | |
crypto: Optimize RSA private key handling
by using extra redundant information as part of the key
that will speed things up for OpenSSL.
Affects rsa_sign, rsa_private_encrypt and rsa_private_decrypt.
Diffstat (limited to 'lib/crypto/doc')
| -rw-r--r-- | lib/crypto/doc/src/crypto.xml | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml index 8cb893cd1c..19db6c9dd4 100644 --- a/lib/crypto/doc/src/crypto.xml +++ b/lib/crypto/doc/src/crypto.xml @@ -870,10 +870,15 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]> <fsummary>Sign the data using rsa with the given key.</fsummary> <type> <v>Data = Mpint</v> - <v>Key = [E, N, D]</v> + <v>Key = [E, N, D] | [E, N, D, P1, P2, E1, E2, C]</v> <v>E, N, D = Mpint</v> <d>Where <c>E</c> is the public exponent, <c>N</c> is public modulus and <c>D</c> is the private exponent.</d> + <v>P1, P2, E1, E2, C = Mpint</v> + <d>The longer key format contains redundant information that will make + the calculation faster. <c>P1,P2</c> are first and second prime factors. + <c>E1,E2</c> are first and second exponents. <c>C</c> is the CRT coefficient. + Terminology is taken from RFC 3447.</d> <v>DigestType = md5 | sha</v> <d>The default <c>DigestType</c> is sha.</d> <v>Mpint = binary()</v> @@ -943,10 +948,15 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]> <fsummary>Decrypts ChipherText using the private Key.</fsummary> <type> <v>ChipherText = binary()</v> - <v>PrivateKey = [E, N, D]</v> + <v>PrivateKey = [E, N, D] | [E, N, D, P1, P2, E1, E2, C]</v> <v>E, N, D = Mpint</v> <d>Where <c>E</c> is the public exponent, <c>N</c> is public modulus and <c>D</c> is the private exponent.</d> + <v>P1, P2, E1, E2, C = Mpint</v> + <d>The longer key format contains redundant information that will make + the calculation faster. <c>P1,P2</c> are first and second prime factors. + <c>E1,E2</c> are first and second exponents. <c>C</c> is the CRT coefficient. + Terminology is taken from RFC 3447.</d> <v>Padding = rsa_pkcs1_padding | rsa_pkcs1_oaep_padding | rsa_no_padding</v> <v>PlainText = binary()</v> </type> @@ -965,10 +975,15 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]> <fsummary>Encrypts Msg using the private Key.</fsummary> <type> <v>PlainText = binary()</v> - <v>PrivateKey = [E, N, D]</v> - <v>E, N, D = Mpint</v> + <v>PrivateKey = [E, N, D] | [E, N, D, P1, P2, E1, E2, C]</v> + <v>E, N, D = Mpint</v> <d>Where <c>E</c> is the public exponent, <c>N</c> is public modulus and <c>D</c> is the private exponent.</d> + <v>P1, P2, E1, E2, C = Mpint</v> + <d>The longer key format contains redundant information that will make + the calculation faster. <c>P1,P2</c> are first and second prime factors. + <c>E1,E2</c> are first and second exponents. <c>C</c> is the CRT coefficient. + Terminology is taken from RFC 3447.</d> <v>Padding = rsa_pkcs1_padding | rsa_no_padding</v> <v>ChipherText = binary()</v> </type> |