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add krb5_hmac

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13578 ec53bebd-3082-4978-b11e-865c3cabbd6b
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Love Hörnquist Åstrand
2004-03-20 18:02:00 +00:00
parent 71a603a221
commit 3bd03521f6
1 changed files with 64 additions and 9 deletions
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73
lib/krb5/krb5_create_checksum.3
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@@ -47,6 +47,7 @@
.Nm krb5_crypto_get_checksum_type
.Nm krb5_free_checksum ,
.Nm krb5_free_checksum_contents ,
.Nm krb5_hmac ,
.Nm krb5_verify_checksum
.Nd creates, handles and verifies checksums
.Sh LIBRARY
@@ -54,23 +55,56 @@ Kerberos 5 Library (libkrb5, -lkrb5)
.Sh SYNOPSIS
.In krb5.h
.Pp
.Li "struct krb5_checksum;"
.Li "typedef Checksum krb5_checksum;"
.Ft void
.Fn krb5_checksum_disable "krb5_context context" "krb5_cksumtype type"
.Fo krb5_checksum_disable
.Fa "krb5_context context"
.Fa "krb5_cksumtype type"
.Fc
.Ft krb5_boolean
.Fn krb5_checksum_is_collision_proof "krb5_context context" "krb5_cksumtype type"
.Fo krb5_checksum_is_collision_proof
.Fa "krb5_context context"
.Fa "krb5_cksumtype type"
.Fc
.Ft krb5_boolean
.Fn krb5_checksum_is_disabled "krb5_context context" "krb5_cksumtype type"
.Fo krb5_checksum_is_disabled
.Fa "krb5_context context"
.Fa "krb5_cksumtype type"
.Fc
.Ft krb5_boolean
.Fn krb5_checksum_is_keyed "krb5_context context" "krb5_cksumtype type"
.Fo krb5_checksum_is_keyed
.Fa "krb5_context context"
.Fa "krb5_cksumtype type"
.Fc
.Ft krb5_error_code
.Fn krb5_cksumtype_valid "krb5_context context" "krb5_cksumtype ctype"
.Fo krb5_cksumtype_valid
.Fa "krb5_context context"
.Fa "krb5_cksumtype ctype"
.Fc
.Ft krb5_error_code
.Fn krb5_checksumsize "krb5_context context" "krb5_cksumtype type" "size_t *size"
.Fo krb5_checksumsize
.Fa "krb5_context context"
.Fa "krb5_cksumtype type"
.Fa "size_t *size"
.Fc
.Ft krb5_error_code
.Fn krb5_create_checksum "krb5_context context" "krb5_crypto crypto" "unsigned usage_or_type" "void *data" "size_t len" "Checksum *result"
.Fo krb5_create_checksum
.Fa "krb5_context context"
.Fa "krb5_crypto crypto"
.Fa "unsigned usage_or_type"
.Fa "void *data"
.Fa "size_t len"
.Fa "Checksum *result"
.Fc
.Ft krb5_error_code
.Fn krb5_verify_checksum "krb5_context context" "krb5_crypto crypto" "krb5_key_usage usage" "void *data" "size_t len" "Checksum *cksum"
.Fo krb5_verify_checksum
.Fa "krb5_context context"
.Fa "krb5_crypto crypto"
.Fa "krb5_key_usage usage"
.Fa "void *data"
.Fa "size_t len"
.Fa "Checksum *cksum"
.Fc
.Ft krb5_error_code
.Fo krb5_crypto_get_checksum_type
.Fa "krb5_context context"
@@ -88,6 +122,16 @@ Kerberos 5 Library (libkrb5, -lkrb5)
.Fa "krb5_checksum *cksum"
.Fc
.Ft krb5_error_code
.Fo krb5_hmac
.Fa "krb5_context context"
.Fa "krb5_cksumtype cktype"
.Fa "const void *data"
.Fa "size_t len"
.Fa "unsigned usage"
.Fa "krb5_keyblock *key"
.Fa "Checksum *result"
.Fc
.Ft krb5_error_code
.Fo krb5_copy_checksum
.Fa "krb5_context context"
.Fa "const krb5_checksum *old"
@@ -166,6 +210,17 @@ free the checksum and the content of the checksum.
frees the content of checksum in
.Fa cksum .
.Pp
.Fn krb5_hmac
calculates the HMAC over
.Fa data
(with length
.Fa len )
using the keyusage
.Fa usage
and keyblock
.Fa key .
Note that keyusage is not always used in checksums.
.Pp
.Nm krb5_checksum_is_disabled
returns non-zero if the checksum type is disabled.
.Pp