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annotate nss/lib/cryptohi/cryptohi.h @ 0:1e5118fa0cb1

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This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
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0
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1 /*
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2 * cryptohi.h - public prototypes for the crypto library
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3 *
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4 * This Source Code Form is subject to the terms of the Mozilla Public
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5 * License, v. 2.0. If a copy of the MPL was not distributed with this
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6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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7
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8 #ifndef _CRYPTOHI_H_
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9 #define _CRYPTOHI_H_
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10
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11 #include "blapit.h"
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12
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13 #include "seccomon.h"
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14 #include "secoidt.h"
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15 #include "secdert.h"
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16 #include "cryptoht.h"
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17 #include "keyt.h"
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18 #include "certt.h"
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19
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20
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21 SEC_BEGIN_PROTOS
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22
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23
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24 /****************************************/
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25 /*
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26 ** DER encode/decode (EC)DSA signatures
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27 */
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28
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29 /* ANSI X9.57 defines DSA signatures as DER encoded data. Our DSA1 code (and
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30 * most of the rest of the world) just generates 40 bytes of raw data. These
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31 * functions convert between formats.
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32 */
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33 extern SECStatus DSAU_EncodeDerSig(SECItem *dest, SECItem *src);
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34 extern SECItem *DSAU_DecodeDerSig(const SECItem *item);
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35
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36 /*
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37 * Unlike DSA1, raw DSA2 and ECDSA signatures do not have a fixed length.
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38 * Rather they contain two integers r and s whose length depends
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39 * on the size of q or the EC key used for signing.
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40 *
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41 * We can reuse the DSAU_EncodeDerSig interface to DER encode
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42 * raw ECDSA signature keeping in mind that the length of r
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43 * is the same as that of s and exactly half of src->len.
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44 *
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45 * For decoding, we need to pass the length of the desired
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46 * raw signature (twice the key size) explicitly.
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47 */
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48 extern SECStatus DSAU_EncodeDerSigWithLen(SECItem *dest, SECItem *src,
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49 unsigned int len);
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50 extern SECItem *DSAU_DecodeDerSigToLen(const SECItem *item, unsigned int len);
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51
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52 /****************************************/
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53 /*
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54 ** Signature creation operations
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55 */
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56
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57 /*
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58 ** Create a new signature context used for signing a data stream.
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59 ** "alg" the signature algorithm to use (e.g. SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION)
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60 ** "privKey" the private key to use
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61 */
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62 extern SGNContext *SGN_NewContext(SECOidTag alg, SECKEYPrivateKey *privKey);
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63
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64 /*
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65 ** Destroy a signature-context object
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66 ** "cx" the object
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67 ** "freeit" if PR_TRUE then free the object as well as its sub-objects
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68 */
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69 extern void SGN_DestroyContext(SGNContext *cx, PRBool freeit);
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70
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71 /*
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72 ** Reset the signing context "cx" to its initial state, preparing it for
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73 ** another stream of data.
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74 */
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75 extern SECStatus SGN_Begin(SGNContext *cx);
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76
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77 /*
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78 ** Update the signing context with more data to sign.
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79 ** "cx" the context
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80 ** "input" the input data to sign
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81 ** "inputLen" the length of the input data
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82 */
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83 extern SECStatus SGN_Update(SGNContext *cx, const unsigned char *input,
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84 unsigned int inputLen);
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85
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86 /*
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87 ** Finish the signature process. Use either k0 or k1 to sign the data
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88 ** stream that was input using SGN_Update. The resulting signature is
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89 ** formatted using PKCS#1 and then encrypted using RSA private or public
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90 ** encryption.
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91 ** "cx" the context
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92 ** "result" the final signature data (memory is allocated)
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93 */
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94 extern SECStatus SGN_End(SGNContext *cx, SECItem *result);
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95
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96 /*
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97 ** Sign a single block of data using private key encryption and given
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98 ** signature/hash algorithm.
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99 ** "result" the final signature data (memory is allocated)
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100 ** "buf" the input data to sign
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101 ** "len" the amount of data to sign
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102 ** "pk" the private key to encrypt with
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103 ** "algid" the signature/hash algorithm to sign with
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104 ** (must be compatible with the key type).
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105 */
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106 extern SECStatus SEC_SignData(SECItem *result,
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107 const unsigned char *buf, int len,
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108 SECKEYPrivateKey *pk, SECOidTag algid);
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109
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110 /*
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111 ** Sign a pre-digested block of data using private key encryption, encoding
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112 ** The given signature/hash algorithm.
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113 ** "result" the final signature data (memory is allocated)
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114 ** "digest" the digest to sign
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115 ** "privKey" the private key to encrypt with
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116 ** "algtag" The algorithm tag to encode (need for RSA only)
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117 */
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118 extern SECStatus SGN_Digest(SECKEYPrivateKey *privKey,
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119 SECOidTag algtag, SECItem *result, SECItem *digest);
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120
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121 /*
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122 ** DER sign a single block of data using private key encryption and the
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123 ** MD5 hashing algorithm. This routine first computes a digital signature
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124 ** using SEC_SignData, then wraps it with an CERTSignedData and then der
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125 ** encodes the result.
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126 ** "arena" is the memory arena to use to allocate data from
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127 ** "result" the final der encoded data (memory is allocated)
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128 ** "buf" the input data to sign
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129 ** "len" the amount of data to sign
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130 ** "pk" the private key to encrypt with
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Andre Heinecke <andre.heinecke@intevation.de>
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131 */
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132 extern SECStatus SEC_DerSignData(PLArenaPool *arena, SECItem *result,
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133 const unsigned char *buf, int len,
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134 SECKEYPrivateKey *pk, SECOidTag algid);
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diff changeset
135
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
136 /*
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Andre Heinecke <andre.heinecke@intevation.de>
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137 ** Destroy a signed-data object.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
138 ** "sd" the object
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
139 ** "freeit" if PR_TRUE then free the object as well as its sub-objects
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Andre Heinecke <andre.heinecke@intevation.de>
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140 */
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diff changeset
141 extern void SEC_DestroySignedData(CERTSignedData *sd, PRBool freeit);
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142
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Andre Heinecke <andre.heinecke@intevation.de>
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143 /*
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Andre Heinecke <andre.heinecke@intevation.de>
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144 ** Get the signature algorithm tag number for the given key type and hash
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145 ** algorithm tag. Returns SEC_OID_UNKNOWN if key type and hash algorithm
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parents:
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146 ** do not match or are not supported.
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147 */
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148 extern SECOidTag SEC_GetSignatureAlgorithmOidTag(KeyType keyType,
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149 SECOidTag hashAlgTag);
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150
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151 /****************************************/
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152 /*
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153 ** Signature verification operations
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154 */
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155
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156 /*
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157 ** Create a signature verification context. This version is deprecated,
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158 ** This function is deprecated. Use VFY_CreateContextDirect or
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159 ** VFY_CreateContextWithAlgorithmID instead.
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160 ** "key" the public key to verify with
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Andre Heinecke <andre.heinecke@intevation.de>
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161 ** "sig" the encrypted signature data if sig is NULL then
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162 ** VFY_EndWithSignature must be called with the correct signature at
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163 ** the end of the processing.
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164 ** "sigAlg" specifies the signing algorithm to use (including the
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165 ** hash algorthim). This must match the key type.
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166 ** "wincx" void pointer to the window context
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167 */
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168 extern VFYContext *VFY_CreateContext(SECKEYPublicKey *key, SECItem *sig,
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169 SECOidTag sigAlg, void *wincx);
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170 /*
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171 ** Create a signature verification context.
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Andre Heinecke <andre.heinecke@intevation.de>
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172 ** "key" the public key to verify with
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173 ** "sig" the encrypted signature data if sig is NULL then
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174 ** VFY_EndWithSignature must be called with the correct signature at
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175 ** the end of the processing.
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176 ** "pubkAlg" specifies the cryptographic signing algorithm to use (the
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177 ** raw algorithm without any hash specified. This must match the key
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178 ** type.
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179 ** "hashAlg" specifies the hashing algorithm used. If the key is an
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Andre Heinecke <andre.heinecke@intevation.de>
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180 ** RSA key, and sig is not NULL, then hashAlg can be SEC_OID_UNKNOWN.
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181 ** the hash is selected from data in the sig.
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182 ** "hash" optional pointer to return the actual hash algorithm used.
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183 ** in practice this should always match the passed in hashAlg (the
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184 ** exception is the case where hashAlg is SEC_OID_UNKNOWN above).
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185 ** If this value is NULL no, hash oid is returned.
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186 ** "wincx" void pointer to the window context
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187 */
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188 extern VFYContext *VFY_CreateContextDirect(const SECKEYPublicKey *key,
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189 const SECItem *sig,
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190 SECOidTag pubkAlg,
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191 SECOidTag hashAlg,
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Andre Heinecke <andre.heinecke@intevation.de>
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192 SECOidTag *hash, void *wincx);
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Andre Heinecke <andre.heinecke@intevation.de>
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193 /*
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194 ** Create a signature verification context from a algorithm ID.
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
195 ** "key" the public key to verify with
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196 ** "sig" the encrypted signature data if sig is NULL then
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197 ** VFY_EndWithSignature must be called with the correct signature at
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198 ** the end of the processing.
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199 ** "algid" specifies the signing algorithm and parameters to use.
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200 ** This must match the key type.
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201 ** "hash" optional pointer to return the oid of the actual hash used in
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Andre Heinecke <andre.heinecke@intevation.de>
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202 ** the signature. If this value is NULL no, hash oid is returned.
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203 ** "wincx" void pointer to the window context
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204 */
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205 extern VFYContext *VFY_CreateContextWithAlgorithmID(const SECKEYPublicKey *key,
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206 const SECItem *sig,
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207 const SECAlgorithmID *algid,
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208 SECOidTag *hash,
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
209 void *wincx);
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210
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
211 /*
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Andre Heinecke <andre.heinecke@intevation.de>
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212 ** Destroy a verification-context object.
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
213 ** "cx" the context to destroy
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Andre Heinecke <andre.heinecke@intevation.de>
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214 ** "freeit" if PR_TRUE then free the object as well as its sub-objects
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Andre Heinecke <andre.heinecke@intevation.de>
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215 */
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216 extern void VFY_DestroyContext(VFYContext *cx, PRBool freeit);
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217
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218 extern SECStatus VFY_Begin(VFYContext *cx);
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219
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220 /*
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221 ** Update a verification context with more input data. The input data
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222 ** is fed to a secure hash function (depending on what was in the
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Andre Heinecke <andre.heinecke@intevation.de>
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223 ** encrypted signature data).
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diff changeset
224 ** "cx" the context
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diff changeset
225 ** "input" the input data
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226 ** "inputLen" the amount of input data
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227 */
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228 extern SECStatus VFY_Update(VFYContext *cx, const unsigned char *input,
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229 unsigned int inputLen);
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230
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231 /*
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232 ** Finish the verification process. The return value is a status which
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diff changeset
233 ** indicates success or failure. On success, the SECSuccess value is
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
234 ** returned. Otherwise, SECFailure is returned and the error code found
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
235 ** using PORT_GetError() indicates what failure occurred.
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
236 ** "cx" the context
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Andre Heinecke <andre.heinecke@intevation.de>
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237 */
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238 extern SECStatus VFY_End(VFYContext *cx);
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239
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
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240 /*
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diff changeset
241 ** Finish the verification process. The return value is a status which
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
242 ** indicates success or failure. On success, the SECSuccess value is
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diff changeset
243 ** returned. Otherwise, SECFailure is returned and the error code found
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parents:
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244 ** using PORT_GetError() indicates what failure occurred. If signature is
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
245 ** supplied the verification uses this signature to verify, otherwise the
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Andre Heinecke <andre.heinecke@intevation.de>
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246 ** signature passed in VFY_CreateContext() is used.
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parents:
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247 ** VFY_EndWithSignature(cx,NULL); is identical to VFY_End(cx);.
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248 ** "cx" the context
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249 ** "sig" the encrypted signature data
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Andre Heinecke <andre.heinecke@intevation.de>
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250 */
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251 extern SECStatus VFY_EndWithSignature(VFYContext *cx, SECItem *sig);
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252
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253
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254 /*
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255 ** Verify the signature on a block of data for which we already have
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
256 ** the digest. The signature data is an RSA private key encrypted
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diff changeset
257 ** block of data formatted according to PKCS#1.
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258 ** This function is deprecated. Use VFY_VerifyDigestDirect or
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259 ** VFY_VerifyDigestWithAlgorithmID instead.
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260 ** "dig" the digest
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261 ** "key" the public key to check the signature with
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262 ** "sig" the encrypted signature data
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263 ** "sigAlg" specifies the signing algorithm to use. This must match
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264 ** the key type.
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265 ** "wincx" void pointer to the window context
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266 **/
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267 extern SECStatus VFY_VerifyDigest(SECItem *dig, SECKEYPublicKey *key,
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268 SECItem *sig, SECOidTag sigAlg, void *wincx);
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269 /*
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270 ** Verify the signature on a block of data for which we already have
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271 ** the digest. The signature data is an RSA private key encrypted
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272 ** block of data formatted according to PKCS#1.
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273 ** "dig" the digest
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274 ** "key" the public key to check the signature with
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275 ** "sig" the encrypted signature data
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276 ** "pubkAlg" specifies the cryptographic signing algorithm to use (the
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277 ** raw algorithm without any hash specified. This must match the key
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278 ** type.
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279 ** "hashAlg" specifies the hashing algorithm used.
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280 ** "wincx" void pointer to the window context
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281 **/
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282 extern SECStatus VFY_VerifyDigestDirect(const SECItem *dig,
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283 const SECKEYPublicKey *key,
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284 const SECItem *sig, SECOidTag pubkAlg,
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285 SECOidTag hashAlg, void *wincx);
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286 /*
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287 ** Verify the signature on a block of data for which we already have
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288 ** the digest. The signature data is an RSA private key encrypted
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289 ** block of data formatted according to PKCS#1.
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290 ** "key" the public key to verify with
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291 ** "sig" the encrypted signature data if sig is NULL then
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292 ** VFY_EndWithSignature must be called with the correct signature at
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293 ** the end of the processing.
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294 ** "algid" specifies the signing algorithm and parameters to use.
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295 ** This must match the key type.
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296 ** "hash" oid of the actual hash used to create digest. If this value is
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297 ** not set to SEC_OID_UNKNOWN, it must match the hash of the signature.
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298 ** "wincx" void pointer to the window context
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299 */
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300 extern SECStatus VFY_VerifyDigestWithAlgorithmID(const SECItem *dig,
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301 const SECKEYPublicKey *key, const SECItem *sig,
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302 const SECAlgorithmID *algid, SECOidTag hash,
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303 void *wincx);
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304
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305 /*
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306 ** Verify the signature on a block of data. The signature data is an RSA
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307 ** private key encrypted block of data formatted according to PKCS#1.
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308 ** This function is deprecated. Use VFY_VerifyDataDirect or
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309 ** VFY_VerifyDataWithAlgorithmID instead.
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310 ** "buf" the input data
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311 ** "len" the length of the input data
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312 ** "key" the public key to check the signature with
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313 ** "sig" the encrypted signature data
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314 ** "sigAlg" specifies the signing algorithm to use. This must match
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315 ** the key type.
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316 ** "wincx" void pointer to the window context
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317 */
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318 extern SECStatus VFY_VerifyData(const unsigned char *buf, int len,
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319 const SECKEYPublicKey *key, const SECItem *sig,
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320 SECOidTag sigAlg, void *wincx);
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321 /*
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322 ** Verify the signature on a block of data. The signature data is an RSA
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323 ** private key encrypted block of data formatted according to PKCS#1.
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324 ** "buf" the input data
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325 ** "len" the length of the input data
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326 ** "key" the public key to check the signature with
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327 ** "sig" the encrypted signature data
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328 ** "pubkAlg" specifies the cryptographic signing algorithm to use (the
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329 ** raw algorithm without any hash specified. This must match the key
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330 ** type.
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331 ** "hashAlg" specifies the hashing algorithm used. If the key is an
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332 ** RSA key, and sig is not NULL, then hashAlg can be SEC_OID_UNKNOWN.
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333 ** the hash is selected from data in the sig.
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334 ** "hash" optional pointer to return the actual hash algorithm used.
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335 ** in practice this should always match the passed in hashAlg (the
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336 ** exception is the case where hashAlg is SEC_OID_UNKNOWN above).
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337 ** If this value is NULL no, hash oid is returned.
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338 ** "wincx" void pointer to the window context
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339 */
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340 extern SECStatus VFY_VerifyDataDirect(const unsigned char *buf, int len,
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341 const SECKEYPublicKey *key,
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342 const SECItem *sig,
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343 SECOidTag pubkAlg, SECOidTag hashAlg,
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344 SECOidTag *hash, void *wincx);
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345
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346 /*
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347 ** Verify the signature on a block of data. The signature data is an RSA
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348 ** private key encrypted block of data formatted according to PKCS#1.
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349 ** "buf" the input data
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350 ** "len" the length of the input data
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351 ** "key" the public key to check the signature with
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352 ** "sig" the encrypted signature data
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353 ** "algid" specifies the signing algorithm and parameters to use.
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354 ** This must match the key type.
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355 ** "hash" optional pointer to return the oid of the actual hash used in
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356 ** the signature. If this value is NULL no, hash oid is returned.
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357 ** "wincx" void pointer to the window context
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358 */
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359 extern SECStatus VFY_VerifyDataWithAlgorithmID(const unsigned char *buf,
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360 int len, const SECKEYPublicKey *key,
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361 const SECItem *sig,
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362 const SECAlgorithmID *algid, SECOidTag *hash,
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363 void *wincx);
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364
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365
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366 SEC_END_PROTOS
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367
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368 #endif /* _CRYPTOHI_H_ */
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