Delete bundled copy of NSS and replace with README.

nss/lib/cryptohi/sechash.c

Index: nss/lib/cryptohi/sechash.c
diff --git a/nss/lib/cryptohi/sechash.c b/nss/lib/cryptohi/sechash.c
deleted file mode 100644
index b12621100a21a56031f76d1c2238469eedfccbd4..0000000000000000000000000000000000000000
--- a/nss/lib/cryptohi/sechash.c
+++ /dev/null
@@ -1,438 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#include "sechash.h"
-#include "secoidt.h"
-#include "secerr.h"
-#include "blapi.h"
-#include "pk11func.h" /* for the PK11_ calls below. */
-
-static void *
-null_hash_new_context(void)
-{
-    return NULL;
-}
-
-static void *
-null_hash_clone_context(void *v)
-{
-    PORT_Assert(v == NULL);
-    return NULL;
-}
-
-static void
-null_hash_begin(void *v)
-{
-}
-
-static void
-null_hash_update(void *v, const unsigned char *input, unsigned int length)
-{
-}
-
-static void
-null_hash_end(void *v, unsigned char *output, unsigned int *outLen,
-              unsigned int maxOut)
-{
-    *outLen = 0;
-}
-
-static void
-null_hash_destroy_context(void *v, PRBool b)
-{
-    PORT_Assert(v == NULL);
-}
-
-static void *
-md2_NewContext(void)
-{
-    return (void *)PK11_CreateDigestContext(SEC_OID_MD2);
-}
-
-static void *
-md5_NewContext(void)
-{
-    return (void *)PK11_CreateDigestContext(SEC_OID_MD5);
-}
-
-static void *
-sha1_NewContext(void)
-{
-    return (void *)PK11_CreateDigestContext(SEC_OID_SHA1);
-}
-
-static void *
-sha224_NewContext(void)
-{
-    return (void *)PK11_CreateDigestContext(SEC_OID_SHA224);
-}
-
-static void *
-sha256_NewContext(void)
-{
-    return (void *)PK11_CreateDigestContext(SEC_OID_SHA256);
-}
-
-static void *
-sha384_NewContext(void)
-{
-    return (void *)PK11_CreateDigestContext(SEC_OID_SHA384);
-}
-
-static void *
-sha512_NewContext(void)
-{
-    return (void *)PK11_CreateDigestContext(SEC_OID_SHA512);
-}
-
-const SECHashObject SECHashObjects[] = {
-    { 0,
-      (void *(*)(void))null_hash_new_context,
-      (void *(*)(void *))null_hash_clone_context,
-      (void (*)(void *, PRBool))null_hash_destroy_context,
-      (void (*)(void *))null_hash_begin,
-      (void (*)(void *, const unsigned char *, unsigned int))null_hash_update,
-      (void (*)(void *, unsigned char *, unsigned int *,
-                unsigned int))null_hash_end,
-      0,
-      HASH_AlgNULL },
-    { MD2_LENGTH,
-      (void *(*)(void))md2_NewContext,
-      (void *(*)(void *))PK11_CloneContext,
-      (void (*)(void *, PRBool))PK11_DestroyContext,
-      (void (*)(void *))PK11_DigestBegin,
-      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
-      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
-          PK11_DigestFinal,
-      MD2_BLOCK_LENGTH,
-      HASH_AlgMD2 },
-    { MD5_LENGTH,
-      (void *(*)(void))md5_NewContext,
-      (void *(*)(void *))PK11_CloneContext,
-      (void (*)(void *, PRBool))PK11_DestroyContext,
-      (void (*)(void *))PK11_DigestBegin,
-      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
-      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
-          PK11_DigestFinal,
-      MD5_BLOCK_LENGTH,
-      HASH_AlgMD5 },
-    { SHA1_LENGTH,
-      (void *(*)(void))sha1_NewContext,
-      (void *(*)(void *))PK11_CloneContext,
-      (void (*)(void *, PRBool))PK11_DestroyContext,
-      (void (*)(void *))PK11_DigestBegin,
-      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
-      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
-          PK11_DigestFinal,
-      SHA1_BLOCK_LENGTH,
-      HASH_AlgSHA1 },
-    { SHA256_LENGTH,
-      (void *(*)(void))sha256_NewContext,
-      (void *(*)(void *))PK11_CloneContext,
-      (void (*)(void *, PRBool))PK11_DestroyContext,
-      (void (*)(void *))PK11_DigestBegin,
-      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
-      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
-          PK11_DigestFinal,
-      SHA256_BLOCK_LENGTH,
-      HASH_AlgSHA256 },
-    { SHA384_LENGTH,
-      (void *(*)(void))sha384_NewContext,
-      (void *(*)(void *))PK11_CloneContext,
-      (void (*)(void *, PRBool))PK11_DestroyContext,
-      (void (*)(void *))PK11_DigestBegin,
-      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
-      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
-          PK11_DigestFinal,
-      SHA384_BLOCK_LENGTH,
-      HASH_AlgSHA384 },
-    { SHA512_LENGTH,
-      (void *(*)(void))sha512_NewContext,
-      (void *(*)(void *))PK11_CloneContext,
-      (void (*)(void *, PRBool))PK11_DestroyContext,
-      (void (*)(void *))PK11_DigestBegin,
-      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
-      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
-          PK11_DigestFinal,
-      SHA512_BLOCK_LENGTH,
-      HASH_AlgSHA512 },
-    { SHA224_LENGTH,
-      (void *(*)(void))sha224_NewContext,
-      (void *(*)(void *))PK11_CloneContext,
-      (void (*)(void *, PRBool))PK11_DestroyContext,
-      (void (*)(void *))PK11_DigestBegin,
-      (void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
-      (void (*)(void *, unsigned char *, unsigned int *, unsigned int))
-          PK11_DigestFinal,
-      SHA224_BLOCK_LENGTH,
-      HASH_AlgSHA224 },
-};
-
-const SECHashObject *
-HASH_GetHashObject(HASH_HashType type)
-{
-    return &SECHashObjects[type];
-}
-
-HASH_HashType
-HASH_GetHashTypeByOidTag(SECOidTag hashOid)
-{
-    HASH_HashType ht = HASH_AlgNULL;
-
-    switch (hashOid) {
-        case SEC_OID_MD2:
-            ht = HASH_AlgMD2;
-            break;
-        case SEC_OID_MD5:
-            ht = HASH_AlgMD5;
-            break;
-        case SEC_OID_SHA1:
-            ht = HASH_AlgSHA1;
-            break;
-        case SEC_OID_SHA224:
-            ht = HASH_AlgSHA224;
-            break;
-        case SEC_OID_SHA256:
-            ht = HASH_AlgSHA256;
-            break;
-        case SEC_OID_SHA384:
-            ht = HASH_AlgSHA384;
-            break;
-        case SEC_OID_SHA512:
-            ht = HASH_AlgSHA512;
-            break;
-        default:
-            ht = HASH_AlgNULL;
-            PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
-            break;
-    }
-    return ht;
-}
-
-SECOidTag
-HASH_GetHashOidTagByHMACOidTag(SECOidTag hmacOid)
-{
-    SECOidTag hashOid = SEC_OID_UNKNOWN;
-
-    switch (hmacOid) {
-        /* no oid exists for HMAC_MD2 */
-        /* NSS does not define a oid for HMAC_MD4 */
-        case SEC_OID_HMAC_SHA1:
-            hashOid = SEC_OID_SHA1;
-            break;
-        case SEC_OID_HMAC_SHA224:
-            hashOid = SEC_OID_SHA224;
-            break;
-        case SEC_OID_HMAC_SHA256:
-            hashOid = SEC_OID_SHA256;
-            break;
-        case SEC_OID_HMAC_SHA384:
-            hashOid = SEC_OID_SHA384;
-            break;
-        case SEC_OID_HMAC_SHA512:
-            hashOid = SEC_OID_SHA512;
-            break;
-        default:
-            hashOid = SEC_OID_UNKNOWN;
-            PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
-            break;
-    }
-    return hashOid;
-}
-
-SECOidTag
-HASH_GetHMACOidTagByHashOidTag(SECOidTag hashOid)
-{
-    SECOidTag hmacOid = SEC_OID_UNKNOWN;
-
-    switch (hashOid) {
-        /* no oid exists for HMAC_MD2 */
-        /* NSS does not define a oid for HMAC_MD4 */
-        case SEC_OID_SHA1:
-            hmacOid = SEC_OID_HMAC_SHA1;
-            break;
-        case SEC_OID_SHA224:
-            hmacOid = SEC_OID_HMAC_SHA224;
-            break;
-        case SEC_OID_SHA256:
-            hmacOid = SEC_OID_HMAC_SHA256;
-            break;
-        case SEC_OID_SHA384:
-            hmacOid = SEC_OID_HMAC_SHA384;
-            break;
-        case SEC_OID_SHA512:
-            hmacOid = SEC_OID_HMAC_SHA512;
-            break;
-        default:
-            hmacOid = SEC_OID_UNKNOWN;
-            PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
-            break;
-    }
-    return hmacOid;
-}
-
-const SECHashObject *
-HASH_GetHashObjectByOidTag(SECOidTag hashOid)
-{
-    HASH_HashType ht = HASH_GetHashTypeByOidTag(hashOid);
-
-    return (ht == HASH_AlgNULL) ? NULL : &SECHashObjects[ht];
-}
-
-/* returns zero for unknown hash OID */
-unsigned int
-HASH_ResultLenByOidTag(SECOidTag hashOid)
-{
-    const SECHashObject *hashObject = HASH_GetHashObjectByOidTag(hashOid);
-    unsigned int resultLen = 0;
-
-    if (hashObject)
-        resultLen = hashObject->length;
-    return resultLen;
-}
-
-/* returns zero if hash type invalid. */
-unsigned int
-HASH_ResultLen(HASH_HashType type)
-{
-    if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
-        PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
-        return (0);
-    }
-
-    return (SECHashObjects[type].length);
-}
-
-unsigned int
-HASH_ResultLenContext(HASHContext *context)
-{
-    return (context->hashobj->length);
-}
-
-SECStatus
-HASH_HashBuf(HASH_HashType type,
-             unsigned char *dest,
-             const unsigned char *src,
-             PRUint32 src_len)
-{
-    HASHContext *cx;
-    unsigned int part;
-
-    if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
-        return (SECFailure);
-    }
-
-    cx = HASH_Create(type);
-    if (cx == NULL) {
-        return (SECFailure);
-    }
-    HASH_Begin(cx);
-    HASH_Update(cx, src, src_len);
-    HASH_End(cx, dest, &part, HASH_ResultLenContext(cx));
-    HASH_Destroy(cx);
-
-    return (SECSuccess);
-}
-
-HASHContext *
-HASH_Create(HASH_HashType type)
-{
-    void *hash_context = NULL;
-    HASHContext *ret = NULL;
-
-    if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
-        return (NULL);
-    }
-
-    hash_context = (*SECHashObjects[type].create)();
-    if (hash_context == NULL) {
-        goto loser;
-    }
-
-    ret = (HASHContext *)PORT_Alloc(sizeof(HASHContext));
-    if (ret == NULL) {
-        goto loser;
-    }
-
-    ret->hash_context = hash_context;
-    ret->hashobj = &SECHashObjects[type];
-
-    return (ret);
-
-loser:
-    if (hash_context != NULL) {
-        (*SECHashObjects[type].destroy)(hash_context, PR_TRUE);
-    }
-
-    return (NULL);
-}
-
-HASHContext *
-HASH_Clone(HASHContext *context)
-{
-    void *hash_context = NULL;
-    HASHContext *ret = NULL;
-
-    hash_context = (*context->hashobj->clone)(context->hash_context);
-    if (hash_context == NULL) {
-        goto loser;
-    }
-
-    ret = (HASHContext *)PORT_Alloc(sizeof(HASHContext));
-    if (ret == NULL) {
-        goto loser;
-    }
-
-    ret->hash_context = hash_context;
-    ret->hashobj = context->hashobj;
-
-    return (ret);
-
-loser:
-    if (hash_context != NULL) {
-        (*context->hashobj->destroy)(hash_context, PR_TRUE);
-    }
-
-    return (NULL);
-}
-
-void
-HASH_Destroy(HASHContext *context)
-{
-    (*context->hashobj->destroy)(context->hash_context, PR_TRUE);
-    PORT_Free(context);
-    return;
-}
-
-void
-HASH_Begin(HASHContext *context)
-{
-    (*context->hashobj->begin)(context->hash_context);
-    return;
-}
-
-void
-HASH_Update(HASHContext *context,
-            const unsigned char *src,
-            unsigned int len)
-{
-    (*context->hashobj->update)(context->hash_context, src, len);
-    return;
-}
-
-void
-HASH_End(HASHContext *context,
-         unsigned char *result,
-         unsigned int *result_len,
-         unsigned int max_result_len)
-{
-    (*context->hashobj->end)(context->hash_context, result, result_len,
-                             max_result_len);
-    return;
-}
-
-HASH_HashType
-HASH_GetType(HASHContext *context)
-{
-    return (context->hashobj->type);
-}