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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
提交
4facdbb5
编写于
2月 06, 2000
作者:
U
Ulf Möller
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电子邮件补丁
差异文件
Refer to EVP_DigestInit() in the hash function descriptions.
上级
1c6fbf9e
变更
6
隐藏空白更改
内联
并排
Showing
6 changed file
with
45 addition
and
24 deletion
+45
-24
doc/crypto/BN_set_bit.pod
doc/crypto/BN_set_bit.pod
+2
-0
doc/crypto/EVP_DigestInit.pod
doc/crypto/EVP_DigestInit.pod
+27
-20
doc/crypto/md5.pod
doc/crypto/md5.pod
+4
-1
doc/crypto/mdc2.pod
doc/crypto/mdc2.pod
+4
-1
doc/crypto/ripemd.pod
doc/crypto/ripemd.pod
+4
-1
doc/crypto/sha.pod
doc/crypto/sha.pod
+4
-1
未找到文件。
doc/crypto/BN_set_bit.pod
浏览文件 @
4facdbb5
...
@@ -44,6 +44,8 @@ BN_rshift() shifts B<a> right by B<n> bits and places the result in
...
@@ -44,6 +44,8 @@ BN_rshift() shifts B<a> right by B<n> bits and places the result in
B<r> (C<r=a/2^n>). BN_rshift1() shifts B<a> right by one and places
B<r> (C<r=a/2^n>). BN_rshift1() shifts B<a> right by one and places
the result in B<r> (C<r=a/2>).
the result in B<r> (C<r=a/2>).
For the shift functions, B<r> and B<a> may be the same variable.
=head1 RETURN VALUES
=head1 RETURN VALUES
BN_is_bit_set() returns 1 if the bit is set, 0 otherwise.
BN_is_bit_set() returns 1 if the bit is set, 0 otherwise.
...
...
doc/crypto/EVP_DigestInit.pod
浏览文件 @
4facdbb5
...
@@ -43,60 +43,60 @@ EVP_DigestInit, EVP_DigestUpdate, EVP_DigestFinal - EVP digest routines
...
@@ -43,60 +43,60 @@ EVP_DigestInit, EVP_DigestUpdate, EVP_DigestFinal - EVP digest routines
The EVP digest routines are a high level interface to message digests.
The EVP digest routines are a high level interface to message digests.
B<EVP_DigestInit()>
initialises a digest context B<ctx> to use a digest
EVP_DigestInit()
initialises a digest context B<ctx> to use a digest
B<type>: this will typically be supplied by a function such as
B<type>: this will typically be supplied by a function such as
B<EVP_sha1()>
.
EVP_sha1()
.
B<EVP_DigestUpdate()>
hashes B<cnt> bytes of data at B<d> into the
EVP_DigestUpdate()
hashes B<cnt> bytes of data at B<d> into the
digest context B<ctx>. This funtion can be called several times on the
digest context B<ctx>. This funtion can be called several times on the
same B<ctx> to hash additional data.
same B<ctx> to hash additional data.
B<EVP_DigestFinal()>
retrieves the digest value from B<ctx> and places
EVP_DigestFinal()
retrieves the digest value from B<ctx> and places
it in B<md>. If the B<s> parameter is not NULL then the number of
it in B<md>. If the B<s> parameter is not NULL then the number of
bytes of data written (i.e. the length of the digest) will be written
bytes of data written (i.e. the length of the digest) will be written
to the integer at B<s>, at most B<EVP_MAX_MD_SIZE> bytes will be written.
to the integer at B<s>, at most B<EVP_MAX_MD_SIZE> bytes will be written.
After calling
B<EVP_DigestFinal> no additional calls to B<EVP_DigestUpdate>
After calling
EVP_DigestFinal() no additional calls to EVP_DigestUpdate()
can be made, but
B<EVP_DigestInit>
can be called to initialiase a new
can be made, but
EVP_DigestInit()
can be called to initialiase a new
digest operation.
digest operation.
B<EVP_MD_CTX_copy>
can be used to copy the message digest state from
EVP_MD_CTX_copy()
can be used to copy the message digest state from
B<in> to B<out>. This is useful if large amounts of data are to be
B<in> to B<out>. This is useful if large amounts of data are to be
hashed which only differ in the last few bytes.
hashed which only differ in the last few bytes.
B<EVP_MD_size> and B<EVP_MD_CTX_size>
return the size of the message digest
EVP_MD_size() and EVP_MD_CTX_size()
return the size of the message digest
when passed an B<EVP_MD> or an B<EVP_MD_CTX> structure, i.e. the size of the
when passed an B<EVP_MD> or an B<EVP_MD_CTX> structure, i.e. the size of the
hash.
hash.
B<EVP_MD_block_size> and B<EVP_MD_CTX_block_size>
return the block size of the
EVP_MD_block_size() and EVP_MD_CTX_block_size()
return the block size of the
message digest when passed an B<EVP_MD> or an B<EVP_MD_CTX> structure.
message digest when passed an B<EVP_MD> or an B<EVP_MD_CTX> structure.
B<EVP_MD_type> and B<EVP_MD_CTX_type>
return the NID of the OBJECT IDENTIFIER
EVP_MD_type() and EVP_MD_CTX_type()
return the NID of the OBJECT IDENTIFIER
representing the given message digest when passed an B<EVP_MD> structure.
representing the given message digest when passed an B<EVP_MD> structure.
For example
B<EVP_MD_type(EVP_sha1())>
returns B<NID_sha1>. This function is
For example
EVP_MD_type(EVP_sha1())
returns B<NID_sha1>. This function is
normally used when setting ASN1 OIDs.
normally used when setting ASN1 OIDs.
B<EVP_MD_CTX_type> return
the B<EVP_MD> structure corresponding to the passed
EVP_MD_CTX_type() returns
the B<EVP_MD> structure corresponding to the passed
B<EVP_MD_CTX>.
B<EVP_MD_CTX>.
B<EVP_MD_pkey_type>
returns the NID of the public key signing algorithm associated
EVP_MD_pkey_type()
returns the NID of the public key signing algorithm associated
with this digest. For example
B<EVP_sha1()>
is associated with RSA so this will
with this digest. For example
EVP_sha1()
is associated with RSA so this will
return B<NID_sha1WithRSAEncryption>. This "link" between digests and signature
return B<NID_sha1WithRSAEncryption>. This "link" between digests and signature
algorithms may not be retained in future versions of OpenSSL.
algorithms may not be retained in future versions of OpenSSL.
B<EVP_md2>, B<EVP_md5>, B<EVP_sha>, B<EVP_sha1>, B<EVP_mdc2> and B<EVP_ripemd160>
EVP_md2(), EVP_md5(), EVP_sha(), EVP_sha1(), EVP_mdc2() and EVP_ripemd160()
return B<EVP_MD> structures for the MD2, MD5, SHA, SHA1, MDC2 and RIPEMD160 digest
return B<EVP_MD> structures for the MD2, MD5, SHA, SHA1, MDC2 and RIPEMD160 digest
algorithms respectively. The associated signature algorithm is RSA in each case.
algorithms respectively. The associated signature algorithm is RSA in each case.
B<EVP_dss> and B<EVP_dss1>
return B<EVP_MD> structures for SHA and SHA1 digest
EVP_dss() and EVP_dss1()
return B<EVP_MD> structures for SHA and SHA1 digest
algorithms but using DSS (DSA) for the signature algorithm.
algorithms but using DSS (DSA) for the signature algorithm.
B<EVP_md_null>
is a "null" message digest that does nothing: i.e. the hash it
EVP_md_null()
is a "null" message digest that does nothing: i.e. the hash it
returns is of zero length.
returns is of zero length.
B<EVP_get_digestbyname>, B<EVP_get_digestbynid> and B<EVP_get_digestbyobj>
EVP_get_digestbyname(), EVP_get_digestbynid() and EVP_get_digestbyobj()
return an B<EVP_MD> structure when passed a digest name, a digest NID or
return an B<EVP_MD> structure when passed a digest name, a digest NID or
and ASN1_OBJECT structure respectively. The digest table must be initialised
and ASN1_OBJECT structure respectively. The digest table must be initialised
using, for example,
B<OpenSSL_add_all_digests()>
for these functions to work.
using, for example,
OpenSSL_add_all_digests()
for these functions to work.
=head1 RETURN VALUES
=head1 RETURN VALUES
...
@@ -178,7 +178,7 @@ internal digest operations will never fail some future hardware based operations
...
@@ -178,7 +178,7 @@ internal digest operations will never fail some future hardware based operations
might.
might.
The link between digests and signing algorithms results in a situation where
The link between digests and signing algorithms results in a situation where
B<EVP_sha1()> must be used with RSA and B<EVP_dss1()>
must be used with DSS
EVP_sha1() must be used with RSA and EVP_dss1()
must be used with DSS
even though they are identical digests.
even though they are identical digests.
The size of an B<EVP_MD_CTX> structure is determined at compile time: this results
The size of an B<EVP_MD_CTX> structure is determined at compile time: this results
...
@@ -186,6 +186,13 @@ in code that must be recompiled if the size of B<EVP_MD_CTX> increases.
...
@@ -186,6 +186,13 @@ in code that must be recompiled if the size of B<EVP_MD_CTX> increases.
=head1 SEE ALSO
=head1 SEE ALSO
L<evp(3)|evp(3)>, L<hmac(3)|hmac(3)>, L<md2(3)|md2(3)>,
L<md5(3)|md5(3)>, L<mdc2(3)|mdc2(3)>, L<ripemd(3)|ripemd(3)>,
L<sha(3)|sha(3)>
=head1 HISTORY
=head1 HISTORY
EVP_DigestInit(), EVP_DigestUpdate() and EVP_DigestFinal() are
available in all versions of SSLeay and OpenSSL.
=cut
=cut
doc/crypto/md5.pod
浏览文件 @
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...
@@ -51,6 +51,9 @@ for MD2_DIGEST_LENGTH == 16 bytes of output, and erases the B<MD2_CTX>.
...
@@ -51,6 +51,9 @@ for MD2_DIGEST_LENGTH == 16 bytes of output, and erases the B<MD2_CTX>.
MD5_Init(), MD5_Update() and MD5_Final() are analogous using an
MD5_Init(), MD5_Update() and MD5_Final() are analogous using an
B<MD5_CTX> structure.
B<MD5_CTX> structure.
Applications should use the higher level functions EVP_DigestInit(3) etc.
instead of calling the hash functions directly.
=head1 NOTE
=head1 NOTE
MD2 and MD5 are recommended only for compatibility with existing
MD2 and MD5 are recommended only for compatibility with existing
...
@@ -70,7 +73,7 @@ RFC 1319, RFC 1321
...
@@ -70,7 +73,7 @@ RFC 1319, RFC 1321
=head1 SEE ALSO
=head1 SEE ALSO
L<sha(3)|sha(3)>, L<ripemd(3)|ripemd(3)>
L<sha(3)|sha(3)>, L<ripemd(3)|ripemd(3)>
, L<EVP_DigestInit(3)|EVP_DigestInit(3)>
=head1 HISTORY
=head1 HISTORY
...
...
doc/crypto/mdc2.pod
浏览文件 @
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...
@@ -44,13 +44,16 @@ MDC2() returns a pointer to the hash value.
...
@@ -44,13 +44,16 @@ MDC2() returns a pointer to the hash value.
MDC2_Init(), MDC2_Update() and MDC2_Final() do not return values.
MDC2_Init(), MDC2_Update() and MDC2_Final() do not return values.
Applications should use the higher level functions EVP_DigestInit(3) etc.
instead of calling the hash functions directly.
=head1 CONFORMING TO
=head1 CONFORMING TO
ISO/IEC 10118-2, with DES
ISO/IEC 10118-2, with DES
=head1 SEE ALSO
=head1 SEE ALSO
L<sha(3)|sha(3)>
L<sha(3)|sha(3)>
, L<EVP_DigestInit(3)|EVP_DigestInit(3)>
=head1 HISTORY
=head1 HISTORY
...
...
doc/crypto/ripemd.pod
浏览文件 @
4facdbb5
...
@@ -39,6 +39,9 @@ RIPEMD160_Final() places the message digest in B<md>, which must have
...
@@ -39,6 +39,9 @@ RIPEMD160_Final() places the message digest in B<md>, which must have
space for RIPEMD160_DIGEST_LENGTH == 20 bytes of output, and erases
space for RIPEMD160_DIGEST_LENGTH == 20 bytes of output, and erases
the B<RIPEMD160_CTX>.
the B<RIPEMD160_CTX>.
Applications should use the higher level functions EVP_DigestInit(3) etc.
instead of calling the hash functions directly.
=head1 RETURN VALUES
=head1 RETURN VALUES
RIPEMD160() returns a pointer to the hash value.
RIPEMD160() returns a pointer to the hash value.
...
@@ -52,7 +55,7 @@ ISO/IEC 10118-3 (draft) (??)
...
@@ -52,7 +55,7 @@ ISO/IEC 10118-3 (draft) (??)
=head1 SEE ALSO
=head1 SEE ALSO
L<sha(3)|sha(3)>, L<hmac(3)|hmac(3)>
L<sha(3)|sha(3)>, L<hmac(3)|hmac(3)>
, L<EVP_DigestInit(3)|EVP_DigestInit(3)>
=head1 HISTORY
=head1 HISTORY
...
...
doc/crypto/sha.pod
浏览文件 @
4facdbb5
...
@@ -37,6 +37,9 @@ be hashed (B<len> bytes at B<data>).
...
@@ -37,6 +37,9 @@ be hashed (B<len> bytes at B<data>).
SHA1_Final() places the message digest in B<md>, which must have space
SHA1_Final() places the message digest in B<md>, which must have space
for SHA_DIGEST_LENGTH == 20 bytes of output, and erases the B<SHA_CTX>.
for SHA_DIGEST_LENGTH == 20 bytes of output, and erases the B<SHA_CTX>.
Applications should use the higher level functions EVP_DigestInit(3) etc.
instead of calling the hash functions directly.
The predecessor of SHA-1, SHA, is also implemented, but it should be
The predecessor of SHA-1, SHA, is also implemented, but it should be
used only when backward compatibility is required.
used only when backward compatibility is required.
...
@@ -56,7 +59,7 @@ ANSI X9.30
...
@@ -56,7 +59,7 @@ ANSI X9.30
=head1 SEE ALSO
=head1 SEE ALSO
L<ripemd(3)|ripemd(3)>, L<hmac(3)|hmac(3)>
L<ripemd(3)|ripemd(3)>, L<hmac(3)|hmac(3)>
, L<EVP_DigestInit(3)|EVP_DigestInit(3)>
=head1 HISTORY
=head1 HISTORY
...
...
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