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crypto: add package.

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The crypto package is added as a common place to store identifiers for
hash functions. At the moment, the rsa package has an enumeration of
hash functions and knowledge of their digest lengths. This is an
unfortunate coupling and other high level crypto packages tend to need
to duplicate this enumeration and knowledge (i.e. openpgp).

crypto pulls this code out into a common location.

It would also make sense to add similar support for ciphers to crypto,
but the problem there isn't as acute that isn't done in this change.

R=bradfitzgo, r, rsc
CC=golang-dev
https://golang.org/cl/4080046
This commit is contained in:
Adam Langley 2011-02-01 11:02:48 -05:00
parent 400ea843c6
commit e308d55973
16 changed files with 153 additions and 60 deletions
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3
src/pkg/crypto/tls/handshake_client.go
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@ -5,6 +5,7 @@
package tls
import (
"crypto"
"crypto/rsa"
"crypto/subtle"
"crypto/x509"
@ -248,7 +249,7 @@ func (c *Conn) clientHandshake() os.Error {
var digest [36]byte
copy(digest[0:16], finishedHash.serverMD5.Sum())
copy(digest[16:36], finishedHash.serverSHA1.Sum())
signed, err := rsa.SignPKCS1v15(c.config.rand(), c.config.Certificates[0].PrivateKey, rsa.HashMD5SHA1, digest[0:])
signed, err := rsa.SignPKCS1v15(c.config.rand(), c.config.Certificates[0].PrivateKey, crypto.MD5SHA1, digest[0:])
if err != nil {
return c.sendAlert(alertInternalError)
}