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mozilla-nss
nss-fips-tls-allow-md5-prf.patch
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File nss-fips-tls-allow-md5-prf.patch of Package mozilla-nss
# HG changeset patch # User Hans Petter Jansson <hpj@cl.no> # Date 1574240734 -3600 # Wed Nov 20 10:05:34 2019 +0100 # Node ID 0efca22bbafd7575b20461f255c46157c9321822 # Parent 3a2cb65dc157344cdad19e8e16e9c33e36f82d96 [PATCH] 30 From ca3b695ac461eccf4ed97e1b3fe0a311c80a792f Mon Sep 17 00:00:00 2001 --- nss/lib/freebl/md5.c | 67 ++++++++++++++++++++++++++------------ nss/lib/freebl/rawhash.c | 37 +++++++++++++++++++++ nss/lib/freebl/tlsprfalg.c | 5 ++- nss/lib/softoken/pkcs11c.c | 4 +-- 4 files changed, 90 insertions(+), 23 deletions(-) Index: nss/lib/freebl/md5.c =================================================================== --- nss.orig/lib/freebl/md5.c +++ nss/lib/freebl/md5.c @@ -217,13 +217,11 @@ MD5_HashBuf(unsigned char *dest, const u } MD5Context * -MD5_NewContext(void) +MD5_NewContext_NonFIPS(void) { /* no need to ZAlloc, MD5_Begin will init the context */ MD5Context *cx; - IN_FIPS_RETURN(NULL); - cx = (MD5Context *)PORT_Alloc(sizeof(MD5Context)); if (cx == NULL) { PORT_SetError(PR_OUT_OF_MEMORY_ERROR); @@ -232,6 +230,13 @@ MD5_NewContext(void) return cx; } +MD5Context * +MD5_NewContext(void) +{ + IN_FIPS_RETURN(NULL); + return MD5_NewContext_NonFIPS(); +} + void MD5_DestroyContext(MD5Context *cx, PRBool freeit) { @@ -243,10 +248,8 @@ MD5_DestroyContext(MD5Context *cx, PRBoo } void -MD5_Begin(MD5Context *cx) +MD5_Begin_NonFIPS(MD5Context *cx) { - IN_FIPS_RETURN(); - cx->lsbInput = 0; cx->msbInput = 0; /* memset(cx->inBuf, 0, sizeof(cx->inBuf)); */ @@ -256,6 +259,13 @@ MD5_Begin(MD5Context *cx) cx->cv[3] = CV0_4; } +void +MD5_Begin(MD5Context *cx) +{ + IN_FIPS_RETURN(); + MD5_Begin_NonFIPS(cx); +} + #define cls(i32, s) (tmp = i32, tmp << s | tmp >> (32 - s)) #if defined(SOLARIS) || defined(HPUX) @@ -431,14 +441,12 @@ md5_compress(MD5Context *cx, const PRUin } void -MD5_Update(MD5Context *cx, const unsigned char *input, unsigned int inputLen) +MD5_Update_NonFIPS(MD5Context *cx, const unsigned char *input, unsigned int inputLen) { PRUint32 bytesToConsume; PRUint32 inBufIndex = cx->lsbInput & 63; const PRUint32 *wBuf; - IN_FIPS_RETURN(); - /* Add the number of input bytes to the 64-bit input counter. */ addto64(cx->msbInput, cx->lsbInput, inputLen); if (inBufIndex) { @@ -487,6 +495,13 @@ MD5_Update(MD5Context *cx, const unsigne memcpy(cx->inBuf, input, inputLen); } +void +MD5_Update(MD5Context *cx, const unsigned char *input, unsigned int inputLen) +{ + IN_FIPS_RETURN(); + MD5_Update_NonFIPS(cx, input, inputLen); +} + static const unsigned char padbytes[] = { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -503,8 +518,8 @@ static const unsigned char padbytes[] = }; void -MD5_End(MD5Context *cx, unsigned char *digest, - unsigned int *digestLen, unsigned int maxDigestLen) +MD5_End_NonFIPS(MD5Context *cx, unsigned char *digest, + unsigned int *digestLen, unsigned int maxDigestLen) { #ifndef IS_LITTLE_ENDIAN PRUint32 tmp; @@ -512,8 +527,6 @@ MD5_End(MD5Context *cx, unsigned char *d PRUint32 lowInput, highInput; PRUint32 inBufIndex = cx->lsbInput & 63; - IN_FIPS_RETURN(); - if (maxDigestLen < MD5_HASH_LEN) { PORT_SetError(SEC_ERROR_INVALID_ARGS); return; @@ -525,10 +538,10 @@ MD5_End(MD5Context *cx, unsigned char *d lowInput <<= 3; if (inBufIndex < MD5_END_BUFFER) { - MD5_Update(cx, padbytes, MD5_END_BUFFER - inBufIndex); + MD5_Update_NonFIPS(cx, padbytes, MD5_END_BUFFER - inBufIndex); } else { - MD5_Update(cx, padbytes, - MD5_END_BUFFER + MD5_BUFFER_SIZE - inBufIndex); + MD5_Update_NonFIPS(cx, padbytes, + MD5_END_BUFFER + MD5_BUFFER_SIZE - inBufIndex); } /* Store the number of bytes input (before padding) in final 64 bits. */ @@ -554,16 +567,22 @@ MD5_End(MD5Context *cx, unsigned char *d } void -MD5_EndRaw(MD5Context *cx, unsigned char *digest, - unsigned int *digestLen, unsigned int maxDigestLen) +MD5_End(MD5Context *cx, unsigned char *digest, + unsigned int *digestLen, unsigned int maxDigestLen) +{ + IN_FIPS_RETURN(); + MD5_End_NonFIPS(cx, digest, digestLen, maxDigestLen); +} + +void +MD5_EndRaw_NonFIPS(MD5Context *cx, unsigned char *digest, + unsigned int *digestLen, unsigned int maxDigestLen) { #ifndef IS_LITTLE_ENDIAN PRUint32 tmp; #endif PRUint32 cv[4]; - IN_FIPS_RETURN(); - if (maxDigestLen < MD5_HASH_LEN) { PORT_SetError(SEC_ERROR_INVALID_ARGS); return; @@ -581,6 +600,14 @@ MD5_EndRaw(MD5Context *cx, unsigned char *digestLen = MD5_HASH_LEN; } +void +MD5_EndRaw(MD5Context *cx, unsigned char *digest, + unsigned int *digestLen, unsigned int maxDigestLen) +{ + IN_FIPS_RETURN(); + MD5_EndRaw_NonFIPS(cx, digest, digestLen, maxDigestLen); +} + unsigned int MD5_FlattenSize(MD5Context *cx) { Index: nss/lib/freebl/rawhash.c =================================================================== --- nss.orig/lib/freebl/rawhash.c +++ nss/lib/freebl/rawhash.c @@ -154,3 +154,40 @@ HASH_GetRawHashObject(HASH_HashType hash } return &SECRawHashObjects[hashType]; } + +/* Defined in md5.c */ + +MD5Context *MD5_NewContext_NonFIPS(void); +void MD5_Begin_NonFIPS(MD5Context *cx); +void MD5_Update_NonFIPS(MD5Context *cx, const unsigned char *input, unsigned int inputLen); +void MD5_End_NonFIPS(MD5Context *cx, unsigned char *digest, + unsigned int *digestLen, unsigned int maxDigestLen); +void MD5_EndRaw_NonFIPS(MD5Context *cx, unsigned char *digest, + unsigned int *digestLen, unsigned int maxDigestLen); + +static const SECHashObject SECRawHashObjectMD5NonFIPS = { + MD5_LENGTH, + (void *(*)(void))MD5_NewContext_NonFIPS, + (void *(*)(void *))null_hash_clone_context, + (void (*)(void *, PRBool))MD5_DestroyContext, + (void (*)(void *))MD5_Begin_NonFIPS, + (void (*)(void *, const unsigned char *, unsigned int))MD5_Update_NonFIPS, + (void (*)(void *, unsigned char *, unsigned int *, unsigned int))MD5_End_NonFIPS, + MD5_BLOCK_LENGTH, + HASH_AlgMD5, + (void (*)(void *, unsigned char *, unsigned int *, unsigned int))MD5_EndRaw_NonFIPS +}; + +const SECHashObject * +HASH_GetRawHashObjectNonFIPS(HASH_HashType hashType) +{ + if (hashType <= HASH_AlgNULL || hashType >= HASH_AlgTOTAL) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); + return NULL; + } + + if (hashType == HASH_AlgMD5) + return &SECRawHashObjectMD5NonFIPS; + + return &SECRawHashObjects[hashType]; +} Index: nss/lib/freebl/tlsprfalg.c =================================================================== --- nss.orig/lib/freebl/tlsprfalg.c +++ nss/lib/freebl/tlsprfalg.c @@ -12,6 +12,9 @@ #include "hasht.h" #include "alghmac.h" +/* To get valid MD5 object in FIPS mode */ +const SECHashObject *HASH_GetRawHashObjectNonFIPS(HASH_HashType hashType); + #define PHASH_STATE_MAX_LEN HASH_LENGTH_MAX /* TLS P_hash function */ @@ -27,7 +30,7 @@ TLS_P_hash(HASH_HashType hashType, const SECStatus status; HMACContext *cx; SECStatus rv = SECFailure; - const SECHashObject *hashObj = HASH_GetRawHashObject(hashType); + const SECHashObject *hashObj = HASH_GetRawHashObjectNonFIPS(hashType); PORT_Assert((secret != NULL) && (secret->data != NULL || !secret->len)); PORT_Assert((seed != NULL) && (seed->data != NULL)); Index: nss/lib/softoken/pkcs11c.c =================================================================== --- nss.orig/lib/softoken/pkcs11c.c +++ nss/lib/softoken/pkcs11c.c @@ -7158,7 +7158,7 @@ NSC_DeriveKey(CK_SESSION_HANDLE hSession SFTKAttribute *att2 = NULL; unsigned char *buf; SHA1Context *sha; - MD5Context *md5; + MD5Context *md5 = NULL; MD2Context *md2; CK_ULONG macSize; CK_ULONG tmpKeySize; @@ -7698,7 +7698,7 @@ NSC_DeriveKey(CK_SESSION_HANDLE hSession } sftk_FreeAttribute(att2); md5 = MD5_NewContext(); - if (md5 == NULL) { + if (md5 == NULL && !isTLS) { crv = CKR_HOST_MEMORY; break; }
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