diff --git a/ChangeLog b/ChangeLog
index cb07441266a..e9195d0013b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -230,10 +230,10 @@
 
 * http response.readable should be false after 'end' #867 (Abe Fettig)
 
-* Implemenet os.cpus() and os.uptime() on Solaris (Scott McWhirter)
+* Implement os.cpus() and os.uptime() on Solaris (Scott McWhirter)
 
 * fs.ReadStream: Allow omission of end option for range reads #801
-	(Felix Geisendörfer)
+	(Felix Geisendörfer)
 
 * Buffer.write() with UCS-2 should not be write partial char
 	#916 (koichik)
@@ -319,11 +319,11 @@
 * Pragma HTTP header comma separation
 
 * In addition to 'aborted' emit 'close' from incoming requests
-  (Felix Geisendörfer)
+  (Felix Geisendörfer)
 
 * Fix memleak in vm.runInNewContext
 
-* Do not cache modules that throw exceptions (Felix Geisendörfer)
+* Do not cache modules that throw exceptions (Felix Geisendörfer)
 
 * Build system changes for libnode (Aria Stewart)
 
@@ -341,7 +341,7 @@
 
 * URL parse more safely (isaacs)
 
-* Expose errno with a string for dns/cares (Felix Geisendörfer)
+* Expose errno with a string for dns/cares (Felix Geisendörfer)
 
 * Fix tty.setWindowSize
 
@@ -365,7 +365,7 @@
 
 * Improve V8 support for Cygwin (Bert Belder)
 
-* Fix fs.open param parsing. (Felix Geisendörfer)
+* Fix fs.open param parsing. (Felix Geisendörfer)
 
 * Fixed null signal.
 
@@ -496,12 +496,12 @@
 * Allow third party hooks before main module load.
   (See 496be457b6a2bc5b01ec13644b9c9783976159b2)
 
-* Don't stat() on cached modules. (Felix Geisendörfer)
+* Don't stat() on cached modules. (Felix Geisendörfer)
 
 
 2011.01.08, Version 0.3.4 (unstable)
 
-* Primordal mingw build (Bert Belder)
+* Primordial mingw build (Bert Belder)
 
 * HTTPS server
 
@@ -531,7 +531,7 @@
   functions for OSX, Linux, and Cygwin. (Brian White)
 
 * Fix REPL syntax error bug (GH-543), improve how REPL commands are
-  evaulated.
+  evaluated.
 
 * Use process.stdin instead of process.openStdin().
 
@@ -572,7 +572,7 @@
 
 2010.11.16, Version 0.3.1 (unstable), ce9a54aa1fbf709dd30316af8a2f14d83150e947
 
-* TLS improvments (Paul Querna)
+* TLS improvements (Paul Querna)
   - Centralize error handling in SecureStream
   - Add SecurePair for handling of a ssl/tls stream.
 
@@ -634,9 +634,9 @@
 
 2010.10.23, Version 0.3.0 (unstable) 1582cfebd6719b2d2373547994b3dca5c8c569c0
 
-* Bugfix: Do not spin on aceept() with EMFILE
+* Bugfix: Do not spin on accept() with EMFILE
 
-* Improvments to readline.js (Trent Mick, Johan Euphrosine, Brian White)
+* Improvements to readline.js (Trent Mick, Johan Euphrosine, Brian White)
 
 * Safe constructors (missing 'new' doesn't segfault)
 
@@ -672,7 +672,7 @@
 
 * Commas last in sys.inspect
 
-* Constatnts moved from process object to require('constants')
+* Constants moved from process object to require('constants')
 
 * Fix parsing of linux memory (Vitali Lovich)
 
diff --git a/doc/api/crypto.markdown b/doc/api/crypto.markdown
index 19b88c2f860..b1833b28f8e 100644
--- a/doc/api/crypto.markdown
+++ b/doc/api/crypto.markdown
@@ -57,6 +57,8 @@ This can be called many times with new data as it is streamed.
 Calculates the digest of all of the passed data to be hashed.
 The `encoding` can be `'hex'`, `'binary'` or `'base64'`.
 
+Note: `hash` object can not be used after `digest()` method been called.
+
 
 ### crypto.createHmac(algorithm, key)
 
@@ -75,13 +77,26 @@ This can be called many times with new data as it is streamed.
 Calculates the digest of all of the passed data to the hmac.
 The `encoding` can be `'hex'`, `'binary'` or `'base64'`.
 
+Note: `hmac` object can not be used after `digest()` method been called.
 
-### crypto.createCipher(algorithm, key)
 
-Creates and returns a cipher object, with the given algorithm and key.
+### crypto.createCipher(algorithm, password)
+
+Creates and returns a cipher object, with the given algorithm and password.
 
 `algorithm` is dependent on OpenSSL, examples are `'aes192'`, etc.
-On recent releases, `openssl list-cipher-algorithms` will display the available cipher algorithms.
+On recent releases, `openssl list-cipher-algorithms` will display the
+available cipher algorithms.
+`password` is used to derive key and IV, which must be `'binary'` encoded
+string (See the [Buffers](buffers.html) for more information).
+
+### crypto.createCipheriv(algorithm, key, iv)
+
+Creates and returns a cipher object, with the given algorithm, key and iv.
+
+`algorithm` is the same as the `createCipher()`. `key` is a raw key used in
+algorithm. `iv` is an Initialization vector. `key` and `iv` must be `'binary'`
+encoded string (See the [Buffers](buffers.html) for more information).
 
 ### cipher.update(data, input_encoding='binary', output_encoding='binary')
 
@@ -95,10 +110,18 @@ Returns the enciphered contents, and can be called many times with new data as i
 
 Returns any remaining enciphered contents, with `output_encoding` being one of: `'binary'`, `'base64'` or `'hex'`.
 
-### crypto.createDecipher(algorithm, key)
+Note: `cipher` object can not be used after `final()` method been called.
+
+
+### crypto.createDecipher(algorithm, password)
 
 Creates and returns a decipher object, with the given algorithm and key.
-This is the mirror of the cipher object above.
+This is the mirror of the [createCipher()](#crypto.createCipher) above.
+
+### crypto.createDecipheriv(algorithm, key, iv)
+
+Creates and returns a decipher object, with the given algorithm, key and iv.
+This is the mirror of the [createCipheriv()](#crypto.createCipheriv) above.
 
 ### decipher.update(data, input_encoding='binary', output_encoding='binary')
 
@@ -110,6 +133,8 @@ The `output_decoding` specifies in what format to return the deciphered plaintex
 Returns any remaining plaintext which is deciphered,
 with `output_encoding` being one of: `'binary'`, `'ascii'` or `'utf8'`.
 
+Note: `decipher` object can not be used after `final()` method been called.
+
 
 ### crypto.createSign(algorithm)
 
@@ -129,6 +154,9 @@ Calculates the signature on all the updated data passed through the signer.
 
 Returns the signature in `output_format` which can be `'binary'`, `'hex'` or `'base64'`.
 
+Note: `signer` object can not be used after `sign()` method been called.
+
+
 ### crypto.createVerify(algorithm)
 
 Creates and returns a verification object, with the given algorithm.
@@ -149,6 +177,8 @@ signature for the data, in the `signature_format` which can be `'binary'`,
 
 Returns true or false depending on the validity of the signature for the data and public key.
 
+Note: `verifier` object can not be used after `verify()` method been called.
+
 ### crypto.createDiffieHellman(prime_length)
 
 Creates a Diffie-Hellman key exchange object and generates a prime of the
diff --git a/doc/api/http.markdown b/doc/api/http.markdown
index 497adba5528..ad102eb204f 100644
--- a/doc/api/http.markdown
+++ b/doc/api/http.markdown
@@ -42,7 +42,7 @@ per connection (in the case of keep-alive connections).
 
  When a new TCP stream is established. `socket` is an object of type
  `net.Socket`. Usually users will not want to access this event. The
- `stream` can also be accessed at `request.connection`.
+ `socket` can also be accessed at `request.connection`.
 
 ### Event: 'close'
 
@@ -283,6 +283,8 @@ Note: that Content-Length is given in bytes not characters. The above example
 works because the string `'hello world'` contains only single byte characters.
 If the body contains higher coded characters then `Buffer.byteLength()`
 should be used to determine the number of bytes in a given encoding.
+And Node does not check whether Content-Length and the length of the body
+which has been transmitted are equal or not.
 
 ### response.statusCode
 
@@ -294,6 +296,9 @@ Example:
 
     response.statusCode = 404;
 
+After response header was sent to the client, this property indicates the
+status code which was sent out.
+
 ### response.setHeader(name, value)
 
 Sets a single header value for implicit headers.  If this header already exists
@@ -528,6 +533,8 @@ event, the entire body will be caught.
     });
 
 This is a `Writable Stream`.
+Note: Node does not check whether Content-Length and the length of the body
+which has been transmitted are equal or not.
 
 This is an `EventEmitter` with the following events:
 
diff --git a/lib/crypto.js b/lib/crypto.js
index d7f403ed100..83b2bb8122e 100644
--- a/lib/crypto.js
+++ b/lib/crypto.js
@@ -118,8 +118,8 @@ exports.createHmac = function(hmac, key) {
 
 
 exports.Cipher = Cipher;
-exports.createCipher = function(cipher, key) {
-  return (new Cipher).init(cipher, key);
+exports.createCipher = function(cipher, password) {
+  return (new Cipher).init(cipher, password);
 };
 
 
@@ -129,8 +129,8 @@ exports.createCipheriv = function(cipher, key, iv) {
 
 
 exports.Decipher = Decipher;
-exports.createDecipher = function(cipher, key) {
-  return (new Decipher).init(cipher, key);
+exports.createDecipher = function(cipher, password) {
+  return (new Decipher).init(cipher, password);
 };